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Science & Technology Facilities Council Framework Daresbury Laboratory Campus Technology Hub NBS Specification - Architecture November 2013 SFD002XA/A/SPEC/0001 Revision T0

Daresbury Technology Hub NBS Specification - Architecture

Document Control Sheet BPP 04 F8 Version 15; March 2013

Project: Daresbury Technology Hub Client: STFC Project No: SFD002XA Document title: NBS Specification - Architecture Ref. No: SFD002XA/A/SPEC/0001

Originated by Checked by Reviewed by

NAME NAME NAME ORIGINAL

Rev. A Crispian Keppel John Lu Chris Broatch

NAME INITIALS Approved by

Crispin Wride

As Project Manager I confirm that the above document(s) have been subjected to Jacobs’ Check and Review procedure and that I approve them for issue

DATE 07/11/2013 Document status

Tender

REVISION NAME NAME NAME

Rev. 0 Crispian Keppel Chris Broatch Chris Broatch


Crispin Wride


DATE 22/11/2013 Document status Tender


Rev. T0 Crispian Keppel Chris Broatch Chris Broatch


Crispin Wride


DATE 03/12/2013 Document status

Tender




DATE Document status

Jacobs U.K. Limited This document has been prepared by a division, subsidiary or affiliate of Jacobs U.K. Limited (“Jacobs”) in its professional capacity as consultants in accordance with the terms and conditions of Jacobs’ contract with the commissioning party (the “Client”). Regard should be had to those terms and conditions when considering and/or placing any reliance on this document. No part of this document may be copied or reproduced by any means without prior written permission from Jacobs. If you have received this document in error, please destroy all copies in your possession or control and notify Jacobs.

Any advice, opinions, or recommendations within this document (a) should be read and relied upon only in the context of the document as a whole; (b) do not, in any way, purport to include any manner of legal advice or opinion; (c) are based upon the information made available to Jacobs at the date of this document and on current UK standards, codes, technology and construction practices as at the date of this document. It should be noted and it is expressly stated that no independent verification of any of the documents or information supplied to Jacobs has been made. No liability is accepted by Jacobs for any use of this document, other than for the purposes for which it was originally prepared and provided. Following final delivery of this document to the Client, Jacobs will have no further obligations or duty to advise the Client on any matters, including development affecting the information or advice provided in this document.

This document has been prepared for the exclusive use of the Client and unless otherwise agreed in writing by Jacobs, no other party may use, make use of or rely on the contents of this document. Should the Client wish to release this document to a third party, Jacobs may, at its discretion, agree to such release provided that (a) Jacobs’ written agreement is obtained prior to such release; and (b) by release of the document to the third party, that third party does not acquire any rights, contractual or otherwise, whatsoever against Jacobs and Jacobs,

Daresbury Technology Hub NBS Specification - Architecture

accordingly, assume no duties, liabilities or obligations to that third party; and (c) Jacobs accepts no responsibility for any loss or damage incurred by the Client or for any conflict of Jacobs’ interests arising out of the Client's release of this document to the third party.

Version, Status & Approval Log Date Status Version Author Reviewer Approver

07/11/2013 Tender A Crispian Keppel Chris Broatch Crispin Wride

22/11/2013 Tender 0 Crispian Keppel Chris Broatch Crispin Wride

03/12/2013 Tender T0 Crispian Keppel Chris Broatch Crispin Wride

Changes to this version:. A: Original 0: Tender Issue. See Section header sheets for revisions (Sections A31, A33, H13, K40, L10, L20, M40, N13). T0: Tender Issue. See Section header sheets for revisions (Sections H11, H31, H43, H92, K32, L20, L30, M12, M50, P20). Q22 and Q30 added.

STFC - Technology Hub - Preliminaries Architecture

21 November 2013

This document includes:

Code Section Revision Dated

21 Nov 20132.0PROVISION, CONTENT AND USE OF DOCUMENTS

A31

21 Nov 20132.0QUALITY STANDARDS/ CONTROLA33

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STFC Technology Hub JACOBS

Table of Contents

Title Page

4PROVISION, CONTENT AND USE OF DOCUMENTSA31

6QUALITY STANDARDS/ CONTROLA33

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A31PROVISION, CONTENT AND USE OF DOCUMENTS

Revision 2.0

No.

Section Revision History

Purpose

1.0 Tender 7th Nov 20132.0 Section amended to align with Contract Preliminaries / Tender 21st Nov 2013


A31 PROVISION, CONTENT ANDUSE OF DOCUMENTS

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A31 PROVISION, CONTENT AND USE OF DOCUMENTS

TO BE READ WITH CONTRACT PRELIMINARIES AND GENERAL CONDITIONS

DEFINITIONS AND INTERPRETATIONS

140 DRAWINGS• Definitions: To BSRIA BG 6/2009 A design framework for building services. Design

activities and drawing definitions.• CAD data: In accordance with BS 1192.

150 CONTRACTOR'S DESIGN• Meaning: Design to be carried out or completed by the Contractor and supported by

appropriate contractual arrangements, to correspond with specified requirements.

155 SUBMIT PROPOSALS• Meaning: Submit information in response to specified requirements.

160 TERMS USED IN SPECIFICATION• Remove: Disconnect, dismantle as necessary and take out the designated products or

work and associated accessories, fixings, supports, linings and bedding materials. Dispose of unwanted materials. Excludes taking out and disposing of associated pipework, wiring,ductwork or other services.

• Fix: Receive, unload, handle, store, protect, place and fasten in position and disposal of waste and surplus packaging including all labour, materials and site equipment for that purpose.

• Supply and fix: As above, but including supply of products to be fixed. All products to besupplied and fixed unless stated otherwise.

• Keep for reuse: Do not damage designated products or work. Clean off bedding andjointing materials. Stack neatly, adequately protect and store until required by the Employer/ Purchaser or for use in the Works as instructed.

• Make good: Execute local remedial work to designated work. Make secure, sound andneat. Excludes redecoration and/ or replacement.

• Replace: Supply and fix new products matching those removed. Execute work to matchoriginal new state of that removed.

• Repair: Execute remedial work to designated products. Make secure, sound and neat.Excludes redecoration and/ or replacement.

• Refix: Fix removed products.• Ease: Adjust moving parts of designated products or work to achieve free movement and

good fit in open and closed positions.• Match existing: Provide products and work of the same appearance and features as the

original, excluding ageing and weathering. Make joints between existing and new work asinconspicuous as possible.

• System: Equipment, accessories, controls, supports and ancillary items, includinginstallation, necessary for that section of the work to function.


A31 PROVISION, CONTENT ANDUSE OF DOCUMENTS

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A33QUALITY STANDARDS/ CONTROL

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Section amended to align with Contract Preliminaries / Tender 21st Nov 2013


A33 QUALITY STANDARDS/ CONTROL

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TO BE READ WITH CONTRACT PRELIMINARIES AND GENERAL CONDITIONS

STANDARDS OF PRODUCTS AND EXECUTIONS

141 STANDARDS• British and European Standards shall be the governing standards for the works.

Only where expressly stated in the Architectural Specification shall other standards beapplicable to the works.

• All reference to British and other standards, regulations and requirements of statutorybodies shall mean the latest published editions at the time of Contract award.

142 BUILDING CODES & REGULATIONS• All materials, components, equipment and workmanship shall comply with all Local

Authority Codes and Building Regulations, British Standards, and any other regulationsapplicable to the works, together with all relevant Statutory Rules, Regulations, Bye-Lawsand other enforceable instruments in both the design and execution of the installation.

143 SUBMISSIONS TO AUTHORITIES• Make submissions to Local Authorities as required and in the form prescribed in the terms

of the Contract.• When required by the Statutory Authorities, submit to them any component part of the

works for appraisal, testing, stamping or certifying. • After such component part has been satisfactorily approved, tested, stamped or certified,

return the marked component or documentary evidence of its approval, as appropriate, toSite for reference purposes.

• If the Statutory Authority rejects components, replace the component part(s) with those thatare acceptable.

• Obtain any approvals required from the Statutory Authorities.

144 CDM REGULATIONS• Comply with the latest CDM regulations, ensuring that full consideration is given to the

health and safety of operatives and building users when completing the Detailed Design,manufacturing, installing or operating and maintaining the works.

• The Working Drawings shall only incorporate methods of manufacture, installation,maintenance and use that are safe and comply with all CDM and other relevant Health andSafety regulatory requirements.

• Provide Design Risk Assessments.

ACCURACY/ SETTING OUT GENERALLY

350 LEVELS OF STRUCTURAL FLOORS• Maximum tolerances for designed levels to be:

- Floors to be self-finished, and floors to receive sheet or tile finishes directly bedded inadhesive: +/- 10 mm.

- Floors to receive dry board/ panel construction with little or no tolerance on thickness: +/-10 mm.

- Floors to receive mastic asphalt flooring/ underlays directly: +/- 10 mm.- Floors to receive mastic asphalt flooring/ underlays laid on mastic asphalt levelling coat

(s): +/- 15 mm.- Floors to receive fully bonded screeds/ toppings/ beds: +/- 15 mm.- Floors to receive unbonded or floating screeds/ beds: +/- 20 mm.



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SERVICES GENERALLY

410 SERVICES REGULATIONS• New or existing services: Comply with the Byelaws or Regulations of the relevant Statutory

Authority.

420 WATER REGULATIONS/ BYELAWS NOTIFICATION• Requirements: Notify Water Undertaker of any work carried out to or which affects new or

existing services and submit any required plans, diagrams and details.• Consent: Allow adequate time to receive Undertaker's consent before starting work. Inform

immediately if consent is withheld or is granted subject to significant conditions.

430 WATER REGULATIONS/ BYELAWS CONTRACTOR'S CERTIFICATE• On completion of the work: Submit (copy where also required to the Water Undertaker) a

certificate including:- The address of the premises.- A brief description of the new installation and/ or work carried out to an existing

installation.- The Contractor's name and address.- A statement that the installation complies with the relevant Water Regulations or

Byelaws.- The name and signature of the individual responsible for checking compliance.- The date on which the installation was checked.

435 ELECTRICAL INSTALLATION CERTIFICATE• Submit: When relevant electrical work is completed.• Original certificate: To be lodged in the Building Manual.

440 GAS, OIL AND SOLID FUEL APPLIANCE INSTALLATION CERTIFICATE• Before the completion date stated in the Contract: Submit a certificate stating:

- The address of the premises.- A brief description of the new installation and/ or work carried out to an existing

installation.- Any special recommendations or instructions for the safe use and operation of

appliances and flues.- The Contractor's name and address.- A statement that the installation complies with the appropriate safety, installation and use

regulations.- The name, qualification and signature of the competent person responsible for checking

compliance.- The date on which the installation was checked.

• Certificate location: Building Manual.

450 MECHANICAL AND ELECTRICAL SERVICES• Final tests and commissioning: Carry out so that services are in full working order at

completion of the Works.• Building Regulations notice: Copy to be lodged in the Building Manual.



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SUPERVISION/ INSPECTION/ DEFECTIVE WORK

520 COORDINATION OF ENGINEERING SERVICES• Suitability: Site organisation staff must include one or more persons with appropriate

knowledge and experience of mechanical and electrical engineering services to ensurecompatibility between engineering and the Works generally.

• Evidence: Submit when requested CVs or other documentary evidence relating to the staff concerned.

570 AIR PERMEABILITY• Testing organization: UKAS Accredited. Registered by the British Institute of Non-

destructive Testing.• Method: Pressure test in accordance with Good Practice Guide 268.• Permeability:

- Internal to external pressure difference (maximum): 50Pascals.- Air leakage rate (maximum): 5 m³/(h.m²).

• Results: Submit no later than seven days following final test.- Content: Include test results and all supporting data.- Format: Report.- Number of copies: 2 copies + electronic file Include also in building manual.

580 CONTINUITY OF THERMAL INSULATION• Record and report: Confirm that work to new, renovated or upgraded thermal elements has

been carried out to conform to specification. Include:- The address of the premises.- The Contractor's name and address.- The name, qualification and signature of the competent person responsible for checking

compliance.- The date on which the installation was checked.

• Submit: Before completion of the Works.• Copy: To be lodged in the Building Manual.

590 RESISTANCE TO PASSAGE OF SOUND• Method: Robust standard details.• Compliance: Submit notifications,

- Copies: Incorporate in the Building Manual.

595 ENERGY PERFORMANCE CERTIFICATE• Assessment: Undertaken by a member of an approved accreditation scheme. Submit

details of scheme name and evidence of qualifications when requested.- Building Type: Non-dwelling.- Method: Contractor's choice.

• Format:- Certificate: To be incorporated in the Building Manual.- Report: -.

• Submit: Before the date for completion stated in the contract.



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STFC - Technology Hub - Specification Architecture

02 December 2013

This document includes:

Code Section Revision Dated

7 Nov 20131.0DemolitionC20

7 Nov 20131.0Alterations - spot itemsC90

2 Dec 20132.0Curtain wallingH11

21 Nov 20132.0Structural glass assembliesH13

28 Nov 20132.0Metal profiled/ flat sheet cladding/ coveringH31

2 Dec 20132.0Metal composite panel cladding/ coveringH43

2 Dec 20132.0Rainscreen claddingH92

7 Nov 20131.0Plasterboard dry linings/ partitions/ ceilingsK10

7 Nov 20131.0Rigid sheet flooring/ sheathing/ decking/ sarking/ linings/ casings

K11

7 Nov 20131.0Panel partitionsK30

2 Dec 20132.0Panel cubicles/ duct and wall linings/ screensK32

21 Nov 20132.0Demountable suspended ceilingsK40

21 Nov 20132.0Windows/ Rooflights/ Screens/ LouvresL10

2 Dec 20133.0Doors/ shutters/ hatchesL20

28 Nov 20132.0Stairs/ ladders/ walkways/ handrails/ balustradesL30

2 Dec 20132.0Resin flooringM12

21 Nov 20132.0Stone/ concrete/ quarry/ ceramic tiling/ mosaicM40

28 Nov 20132.0Rubber/ plastics/ cork/ lino/ carpet tiling/ sheetingM50

7 Nov 20131.0Painting/clear finishingM60

7 Nov 20131.0General fixtures/ furnishings/ equipmentN10

21 Nov 20132.0Sanitary appliances and fittingsN13

7 Nov 20131.0Internal fire and safety signage systemsN15

7 Nov 20131.0Sundry insulation/ proofing workP10

2 Dec 20132.0Unframed isolated trims/ skirtings/ sundry itemsP20

7 Nov 20131.0Door/ window ironmongeryP21

7 Nov 20131.0Kerbs/ edgings/ channels/ paving accessoriesQ10

28 Nov 20131.0Asphalt roads/ pavingsQ22

7 Nov 20131.0Gravel/ Hoggin/ Woodchip/ Resin bound roads/ pavings/ overlays

Q23

28 Nov 20131.0Seeding/ turfingQ30

7 Nov 20131.0Site/ street furniture/ equipmentQ50

7 Nov 20131.0Rainwater drainage systemsR10

7 Nov 20131.0Purpose made joineryZ10

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7 Nov 20131.0Purpose made metalworkZ11

7 Nov 20131.0Preservative/ fire retardant treatmentZ12

7 Nov 20131.0Fixings and adhesivesZ20

7 Nov 20131.0MortarsZ21

7 Nov 20131.0SealantsZ22

7 Nov 20131.0Powder coatingsZ31

7 Nov 20131.0AnodizingZ33



Table of Contents

Title Page

6DemolitionC20

11Alterations - spot itemsC90

13Curtain wallingH11

26Structural glass assembliesH13

31Metal profiled/ flat sheet cladding/ coveringH31

38Metal composite panel cladding/ coveringH43

43Rainscreen claddingH92

53Plasterboard dry linings/ partitions/ ceilingsK10

64Rigid sheet flooring/ sheathing/ decking/ sarking/ linings/ casings

K11

67Panel partitionsK30

73Panel cubicles/ duct and wall linings/ screensK32

76Demountable suspended ceilingsK40

84Windows/ Rooflights/ Screens/ LouvresL10

88Doors/ shutters/ hatchesL20

98Stairs/ ladders/ walkways/ handrails/ balustradesL30

101Resin flooringM12

105Stone/ concrete/ quarry/ ceramic tiling/ mosaicM40

110Rubber/ plastics/ cork/ lino/ carpet tiling/ sheetingM50

116Painting/clear finishingM60

123General fixtures/ furnishings/ equipmentN10

126Sanitary appliances and fittingsN13

132Internal fire and safety signage systemsN15

135Sundry insulation/ proofing workP10

137Unframed isolated trims/ skirtings/ sundry itemsP20

139Door/ window ironmongeryP21



141Kerbs/ edgings/ channels/ paving accessoriesQ10

145Asphalt roads/ pavingsQ22

148Gravel/ Hoggin/ Woodchip/ Resin bound roads/ pavings/ overlays

Q23

151Seeding/ turfingQ30

156Site/ street furniture/ equipmentQ50

159Rainwater drainage systemsR10

163Purpose made joineryZ10

166Purpose made metalworkZ11

171Preservative/ fire retardant treatmentZ12

174Fixings and adhesivesZ20

178MortarsZ21

182SealantsZ22

184Powder coatingsZ31

188AnodizingZ33



C20Demolition

No.


Purpose

1.0 Tender 7th Nov 2013


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C20 Demolition

To be read with Preliminaries/General conditions

GENERAL REQUIREMENTS

110 DESK STUDY/ SURVEY• Scope: Before starting deconstruction/ demolition work, examine available information, and

carry out a survey of:- the structure or structures to be deconstructed/ demolished,- the site on which the structure or structures stand, and- the surrounding area.

• Report and method statements: Submit, describing:- Form, condition and details of the structure or structures, the site, and the surrounding

area.Extent: See Architect's Demolition drawings .

- Type, location and condition of features of historical, archaeological, geological or ecological importance.

- Type, location and condition of adjoining or surrounding premises that might beadversely affected by removal of the structure or structures, or by noise, vibration and/ or dust generated during deconstruction/ demolition.

- Identity and location of services above and below ground, including those required for the Contractor's use, and arrangements for their disconnection and removal.

- Form and location of flammable, toxic or hazardous materials, including lead-basedpaint, and proposed methods for their removal and disposal.

- Form and location of materials identified for reuse or recycling, and proposed methodsfor removal and temporary storage.

- Proposed programme of work, including sequence and methods of deconstruction/ demolition.

- Details of specific pre-weakening required.- Arrangements for protection of personnel and the general public, including exclusion of

unauthorized persons.- Arrangements for control of site transport and traffic.- Special requirements: Site waste management plan development and proposals .

• Format of report: Paper & electronic copy .

120 EXTENT OF DECONSTRUCTION/ DEMOLITION• General: Subject to retention requirements specified elsewhere, deconstruct/ demolish

structures down to upper level of ground floor slab as detailed on Architect's Demolitiondrawings .

140 BENCH MARKS• Unrecorded bench marks and other survey information: Give notice when found. Do not

remove marks or destroy the fabric on which they are found.

150 FEATURES TO BE RETAINED• General: Keep in place and protect the following:

Refer to Architect's demolition drawings.Ground floor slabExisting steel frameExisting roofInternal walls as indicatedBoiler Room and equipment / services.



SERVICES AFFECTED BY DECONSTRUCTION/ DEMOLITION

210 SERVICES REGULATIONS• Work carried out to or affecting new and/ or existing services: Carry out in accordance with

the byelaws and/ or regulations of the relevant Statutory Authority.

220 LOCATION OF SERVICES• Services affected by deconstruction/ demolition work: Locate and mark positions.• Mains services marking: Arrange with the appropriate authorities for services to be located

and marked.- Marking standard: In accordance with National Joint Utilities Group 'Guidelines on the

positioning and colour coding of underground utilities' apparatus'.

230 SERVICES DISCONNECTION ARRANGED BY CONTRACTOR• General: Arrange with the appropriate authorities for disconnection of services and removal

of fittings and equipment owned by those authorities prior to starting deconstruction/ demolition.

240 DISCONNECTION OF DRAINS• General: Locate, disconnect and seal disused foul and surface water drains.• Sealing: Permanent, and within the site.

250 LIVE FOUL AND SURFACE WATER DRAINS• Drains and associated manholes, inspection chambers, gullies, vent pipes and fittings:

- Protect; maintain normal flow during deconstruction/ demolition.- Make good any damage arising from deconstruction/ demolition work.- Leave clean and in working order at completion of deconstruction/ demolition work.

• Other requirements: None.

260 SERVICE BYPASS CONNECTIONS• General: Provide as necessary to maintain continuity of services to occupied areas of the

site on which the deconstruction/ demolition is taking place and to adjoining sites/ properties.

• Minimum notice to adjoining owners and all affected occupiers: 72 hours, if shutdown isnecessary during changeover.

270 SERVICES TO BE RETAINED• Damage to services: Give notice, and notify relevant service authorities and/ or owner/

occupier regarding damage arising from deconstruction/ demolition.• Repairs to services: Complete as directed, and to the satisfaction of the service authority or

owner.

DECONSTRUCTION/ DEMOLITION WORK

310 WORKMANSHIP• Standard: Demolish structures in accordance with BS 6187.• Operatives:

- Appropriately skilled and experienced for the type of work.- Holding, or in training to obtain, relevant CITB Certificates of Competence.

• Site staff responsible for supervision and control of work: Experienced in the assessmentof risks involved and methods of deconstruction/ demolition to be used.

320 GAS OR VAPOUR RISKS• Precautions: Prevent fire and/ or explosion caused by gas and/ or vapour from tanks,

pipes, etc.



330 DUST CONTROL• General: Reduce airborne dust by periodically spraying deconstruction/ demolition works

with an appropriate wetting agent. Keep public roadways and footpaths clear of mud and debris.

• Lead dust: Submit method statement for control, containment and clean-up regimes.

340 HEALTH HAZARDS• Precautions: Protect site operatives and general public from hazards associated with

vibration, dangerous fumes and dust arising during the course of the Works.

350 ADJOINING PROPERTY• Temporary support and protection: Provide. Maintain and alter, as necessary, as work

proceeds. Do not leave unnecessary or unstable projections.• Defects: Report immediately on discovery.• Damage: Minimize. Repair promptly to ensure safety, stability, weather protection and

security.• Support to foundations: Do not disturb.

360 STRUCTURES TO BE RETAINED• Extent: See Clause 150.• Parts which are to be kept in place: Protect.• Interface between retained structures and deconstruction/ demolition: Cut away and strip

out with care to minimize making good.

370 PARTLY DEMOLISHED STRUCTURES• General: Leave in a stable condition, with adequate temporary support at each stage to

prevent risk of uncontrolled collapse. Make secure outside working hours.• Temporary works: Prevent overloading due to debris.• Access: Prevent access by unauthorized persons.

380 DANGEROUS OPENINGS• General: Provide guarding at all times, including outside of working hours. Illuminate during

hours of darkness.• Access: Prevent access by unauthorized persons.

390 ASBESTOS-CONTAINING MATERIALS – KNOWN OCCURRENCES• General: Materials containing asbestos are known to be present in: the existing building. A

report is available for consultation.• Removal: By contractor licensed by the Health and Safety Executive, and prior to other

works starting in these locations.

391 ASBESTOS-CONTAINING MATERIALS – UNKNOWN OCCURRENCES• Discovery: Give notice immediately of suspected asbestos-containing materials when

discovered during deconstruction/ demolition work. Avoid disturbing such materials.• Removal: Submit statutory risk assessments and details of proposed methods for safe

removal.

410 UNFORESEEN HAZARDS• Discovery: Give notice immediately when hazards such as unrecorded voids, tanks,

chemicals, are discovered during deconstruction/ demolition.• Removal: Submit details of proposed methods for filling, removal, etc.



420 OPEN BASEMENTS, ETC• Temporary support: Leave adequate buttress walls or provide temporary support to

basement retaining walls up to ground level.• Safety: Make remaining sections of retaining and buttress walls safe and secure.• Water movement: Make holes in basement floors to allow water drainage or penetration

(depending on water table). Provide a hole for every 10 m², not less than 600 mm indiameter.

450 SITE CONDITION AT COMPLETION• Debris: Clear away and leave the site in a tidy condition.• Other requirements: Submit interior residual dust lead level report.

MATERIALS ARISING

510 CONTRACTOR'S PROPERTY• Components and materials arising from the deconstruction/ demolition work: Property of

the Contractor except where otherwise provided.• Action: Remove from site as work proceeds where not to be reused or recycled for site

use.

511 EMPLOYER'S PROPERTY• Components and materials to remain the property of the Employer: Refer to Architect's

demolition drawings.• Protection: Maintain until these items are removed by the Employer or reused in the

Works, or until the end of the Contract.• Special requirements: -.

520 RECYCLED MATERIALS• Materials arising from deconstruction/ demolition work: Can be recycled or reused

elsewhere in the project, subject to compliance with the appropriate specification and inaccordance with any site waste management plan.

• Evidence of compliance: Submit full details and supporting documentation.- Verification: Allow adequate time in programme for verification of compliance.



C90Alterations - spot items

No.


Purpose



C90 Alterations - spot items Tender Page 10 of 189

C90 Alterations - spot items

GENERALThis Section is to be read in conjunction with Section A of this Specification andArchitectural drawings, and Structural and MEP drawings and Specifications.Where proprietary products are specified they shall be deemed to be 'or equal approved'.

110 DESCRIPTIONS• Location of spot item descriptions:

• Existing concrete slab:where minor differences in slab level are revealed by removal of walls these are to be feathered out with epoxy render or other material compatible with the floor finish.Damaged areas of the slab are to be made good, ready to receive the specified floor finish(M50).

• Existing floor trench and service penetrations through the existing slab: remove redundantservices and backfill trench and make good redundant penetrations ready to receive thespecified floor finish (M50).

• Existing steel frame: the frame is to be retained. Ensure stability during surroundingdemolition and reconstruction.

• Make good any retained internal walls and upgrade as necessary to achieve specifiedperformance requirements.

• Existing roof to Project Area / Tenant Areas: the intention is to retain the roof in place. Theroof is to be cleaned and exposed bare metal surfaces primed and painted. All existingpenetrations are to be filled and sealed to match existing. Openings are to be formed for penetration of new sunpipes and airscoops, including support and bracing. Junctions are tobe sealed with non-setting mastic.

• Notify the Employer's Representative before commencement of the works specified in thisSection.

120 EMPLOYER'S PROPERTY• Components and materials arising from alterations that are to remain the property of the

Employer: As Demolitions drawing.- Protection: Maintain until items listed above are removed by the Employer or reused in

the Works, or until the end of the Contract.• Special requirements: None.

130 RECYCLED MATERIALS• Materials arising from alterations: May be recycled or reused elsewhere in the project,

subject to compliance with the appropriate specification and in accordance with any sitewaste management plan.

• Evidence of compliance: Submit full details and supporting documentation.- Verification: Allow adequate time in programme for verification of compliance.


C90 Alterations - spot items Tender Page 11 of 189

H11Curtain walling

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 110 (reference to feature channel) / Clause 135 omitted;

Clause 136: Assembly Building Lobby in L20; ironmongery / Tender

2nd Dec 2013


H11 Curtain walling Tender Page 12 of 189

H11 Curtain walling

To be read in conjunction with Section A of this Specification and Architectural drawings,and Structural and MEP drawings and Specifications.Where proprietary products are specified they shall be deemed to be 'or equal approved'.

TENDERING

10 INFORMATION TO BE PROVIDED WITH TENDER• Submit the following curtain walling particulars:

- Typical plan, section and elevation drawings at suitable scales.- Typical detailed drawings at large scales, including section profiles, door details and

profiles, window details and profiles, brise soleil section, major junctions .- Technical information and certification demonstrating compliance with specification of

proposed incorporated products and finishes, including section profiles, door details andprofiles, window details and profiles .

- Certification, reports and calculations demonstrating compliance with specification of proposed curtain walling.

- Proposals for connections to and support from the building structure and buildingcomponents.

- Proposals for amendments to primary supporting structure and for secondary supportingstructure additional to that shown on preliminary design drawings.

- Schedule of builder's work, special provisions and special attendance by others.- Examples of standard documentation from which project quality plan will be prepared.- Preliminary fabrication and installation method statements and programme.- Schedule of products and finishes with a design life expectancy less than that specified

in clause 440, with proposals for frequencies and methods of replacement.- Proposals for replacing damaged or failed products.- Areas of non-compliance with the specification.



TYPES OF CURTAIN WALLING

110 CURTAIN WALLING ENTRANCE ELEVATION• Supporting structure: New steel frame / composite concrete first floor deck .• Curtain walling system:

- Manufacturer: Schueco UK Ltd .Product reference: FW 60+ .

- Type: Thermally insulated mullion/transom, drained and ventilated .• Internal framing member:

- Material: Aluminium .- Finish: Powder coating .

Colour/ texture: Refer to Colour Schedule .Minimum film thickness: Submit proposal .

• External cover cap:- Material: Aluminium .- Finish: Powder coating .

Colour/ texture: Allow to be different RAL colour to frame .Minimum film thickness: Submit proposal .

• Glazing: Insulating glass units .- Inner pane: Laminated glass .- Outer pane: Thermally toughened solar control glass .

• Glazing system: Gaskets, cover plate fixed .• Panel/ facing type: Composite infill panels, external cover plate fixed .

- External material: Aluminium sheet .- External finish: Powder coating .- Internal material: Aluminium sheet .- Internal finish: Powder coating .- Core insulation: As clause 780 .

• Accessories: Perimeter flashings .• Incorporated components: Glazed entrance door as clause 135 .• Other requirements:

- Installation to include solar control brise soleil as clause 141.- Aluminium feature channel at floor level: profile as Architect's drawing; fully sealed andintegrated in overall weather- and airtight envelope to achieve air permeability performancerequirement. PPC finish, colour: refer to Architect's Colour Schedule.Feature channel to match channel in Metal Composite cladding (H43) and Rainscreencladding (H92) in all respects.- Include weather extract / supply louvres set in solid panels as indicated on Architect'sdrawings.- Allow for support to entrance canopy (Section H13) .



136 EXTERNAL DOORS MAIN ENTRANCE- Manufacturer: [Contractor's choice].- Product reference: [Contractor's choice].

Door leaf: [Glazed door / aluminium frame].- Finish as delivered: [Polyester powdercoated;

Colour: as Architect's Colour Schedule].Frame and architraves: [Aluminium].

- Finish as delivered: [Polyester powdercoated].Glazing/ Infill details: [Clear single glazing].

- Manifestation: [Required, DDA compliant].- Beading: [Internal].

Ironmongery: [Powered opening (operation: external: access control / internal: push-button)Deadlock / Euro cylinder Stainless steel d handles (600 / 19mm).Manifestation to comply with DDA legislation.Perimeter seals: EPDM weatherseal.Other requirements: [Part M compliant aluminium threshold.Default opening in case of fire].

141 BRISE SOLEIL• Manufacturer:

Levolux Ltd or eq approved .- Product reference: Levolux 9000 .

• Depth: 200mm.• Operation: fixed.• Material: Aluminium .• Finish: Powder coating .

- Colour/ texture: Refer to Architect's Colour Schedule .Fixing: To curtain wall mullions .

• Other requirements: None .

GENERAL REQUIREMENTS/ PREPARATORY WORK

210 DESIGN• Curtain walling and associated features: Complete the detailed design. Submit before

commencement of fabrication.• Related works: Coordinate in the detailed design.

215 DESIGN PROPOSALS• Submission of alternative proposals: Preliminary design drawings indicate intent. Other

reasonable proposals will be considered.

220 SPECIFICATION• Compliance standard: The Centre for Window and Cladding Technology (CWCT)

'Standard for systemised building envelopes'.• Reference information: For the duration of the contract, keep available at the design office,

workshop and on site copies of: - The CWCT 'Standard for systemised building envelopes'.- Publications invoked by the CWCT 'Standard for systemised building envelopes'.



230 INFORMATION TO BE PROVIDED DURING DETAILED DESIGN STAGE• Submit the following curtain walling particulars:

- A schedule of detailed drawings and dates for submission for comment.- A schedule of loads that will be transmitted from the curtain walling to the structure.- Proposed fixing anchor details relevant to structural design and construction.- A detailed testing programme in compliance with the Main Contract master programme.- A detailed fabrication and installation programme in compliance with the Main Contract

master programme.- Proposals to support outstanding applications for Building Regulation consents or

relaxations.

232 QUALITY PLAN• Requirement: Submit during detailed design.• Content: In accordance with BS 5750, BS EN ISO 9001 and including the following:

- Name of the quality manager.- Quality assessment procedures.- Inspection procedures to be adopted in checking the work.- Stages at which check lists will be used and samples of the lists.- List of work procedures on the correct use of materials or components, both off site and

on site.- List of product information with latest revisions.- Subcontractors involved in the work.- Subcontractors' quality plans.- Storage, handling, transport and protection procedures.- Procedure for registering and reporting non compliances.- Maintenance procedures and calibration records.- Certification that completed work complies with specification.- Check list register to ensure all items have been inspected and non compliances

discharged.

235 INFORMATION TO BE PROVIDED BEFORE COMMENCEMENT TESTING ORFABRICATION OF CURTAIN WALLING

• Submit the following curtain walling particulars:- Detailed drawings to fully describe fabrication and installation.- Detailed calculations to prove compliance with design/ performance requirements.- Project specific fabrication, handling and installation method statements.- Certification for incorporated components manufactured by others confirming their

suitability for proposed locations in the curtain walling.- Recommendations for spare parts for future repairs or replacements.

• Recommendations for safe dismantling and recycling or disposal of products.

250 PRODUCT SAMPLES• General: Before commencing detailed design, submit labelled samples of: section profile,

glass types, louvre section .

260 SAMPLES OF FIXINGS• General: During detailed design, submit labelled samples of each type of fixing anchor,

including casting-in restraints and shims, together with manufacturers' recommendedtorque figures.

270 FABRICATION SAMPLES• General: During detailed design, submit samples of: junction of mullion and spandrel with

glazing (500 x 500mm; solid insulated infil panel) .- Obtain approval of appearance before proceeding.



DESIGN/ PERFORMANCE REQUIREMENTS

305 CWCT 'STANDARD FOR SYSTEMISED BUILDING ENVELOPES'• General: Unless specified or agreed otherwise comply with:

Part 2 - Loads, fixings and movement.Part 3 - Air, water and wind resistance.Part 4 - Operable components, additional elements and means of access.Part 5 - Thermal, moisture and acoustic performance.Part 6 - Fire performancePart 7 - Robustness, durability, tolerances and workmanship.

• Project performance requirements specified in this subsection: Read in conjunction withCWCT performance criteria.

313 INTEGRITY• Requirement: The curtain walling must resist wind loads, dead loads and design live loads,

and accommodate deflections and movements without damage.• Design wind pressure: Calculate in accordance with BS 6399-2.• Hard body impact loads: To BS 8200:

- Location and category: submit proposal.• Soft body impact loads - curtain walling to BS EN 14019:

- Location and classification: submit proposal.• Soft body impact loads - glass to BS EN 12600:

- Location and classification: submit proposal.• Permanent imposed loads: submit prosal.• Temporary imposed loads: submit proposal.

320 DEFLECTION UNDER DEAD LOADS• Requirement: Framing members parallel to the curtain walling plane must not:

- Reduce glass bite to less than 75% of design dimension.- Reduce edge clearance to less than 3 mm between members and immediately adjacent

glazing units, panel/ facing units or other fixed units.- Reduce clearance to less than 2 mm between members and movable components such

as doors and windows.

325 DEFLECTION UNDER WIND LOAD• Requirement: To CWCT 'Standard for systemised building envelopes' clause 3.5 2 and the

following additional requirements: None.• Additional stiffness to CWCT 'Standard for systemised building envelopes' clause 3.5 4.2:Not allowed.

330 GENERAL MOVEMENT• Requirement: Curtain walling must accommodate anticipated building movements as

follows: Refer to Structural Engineer's drawings and specifications .



332 APPEARANCE AND FIT• Requirement: Design curtain walling system:

- To ensure position and alignment of all parts and features as shown on preliminarydesign drawings.

- To accommodate deviations in the primary support structure.• Primary support structure: Before commencing installation of curtain walling system, carry

out survey sufficient to verify that required accuracy of erection can be achieved.- Give notice: If the structure will not allow the required accuracy or security of erection.- Design tolerances: Refer Section A33.

• Curtain wall envelope zone tolerances:- Width: Contractor's detail design.

Critical reference location: None.• Maximum permitted component and installation tolerances: Panel tolerance ±2mm;

installation tolerance ±2mm; overall ±4mm.

335 THERMAL MOVEMENT - SERVICE TEMPERATURE RANGES• Requirement: To CWCT 'Standard for systemised building envelopes' clause 2.7.2

amended and/ or with the addition of the following: none.

340 AIR PERMEABILITY• Requirement: Permissible air leakage rates of 1.5m³/hr/m² for fixed lights and 2.0

m³/hr/lin.m for opening lights must not be exceeded when the curtain walling is subjectedto the peak test pressure.

• Permeability class to BS EN 12152: A2.- Peak test pressure: 300 Pa.

345 AIR PERMEABILITY EXFILTRATION• Requirement: The maximum permissible air exfiltration rate through the curtain walling

system must not exceed: 5m³ /(h.m²).

350 WATER PENETRATION• Watertightness class to BS EN 12154: R5.

- Peak test pressure: 300 Pa.• Additional requirements: -.

370 THERMAL PROPERTIES• Method of calculating the thermal transmittance (U-value) of curtain walling/ each zone of

curtain walling: Weighted U-value.• Average U-value of curtain walling: To comply with Building Regulations / minimum

1.8W/m²K.• Curtain wall zone interfaces: Co-ordinate to achieve required average U-value.• Method for assessing thermal transmittance (U-value) of assemblies: By calculation.

380 SOLAR AND LIGHT CONTROL• Total solar energy transmission:

- Maximum g-value - glazing only: 0.66.- Maximum effective g-value - glazing with shading devices: 0.40.

• Visible light transmission:- Minimum light transmission - glazing only: 0.67.- Minimum effective light transmission - glazing with shading devices: 0.58.

385 THERMAL STRESS IN GLAZING• Glass panes/ units: Must have adequate resistance to thermal stress generated by

orientation, shading, solar control and construction.



390 AVOIDANCE OF CONDENSATION• Requirement: Notional psychrometric conditions under which condensation must not form

on building interior surfaces of framing members or any part of infill panels/ facings are:- Notional outdoor psychrometric conditions as BS 6229, table A1.- Notional indoor psychrometric conditions:

Temperature: 20°C.Relative humidity: 40%.Vapour pressure: 0.93 kPa.

411 SOUND TRANSMITTANCE• Minimum weighted sound reduction index (Rw) to BS EN ISO 717-1:

- Between internal and external surfaces of curtain walling: Submit proposal.• Minimum weighted sound reduction index (Rw) to BS EN ISO 717-1:

- Between adjacent floors abutting curtain walling: 40dB.- Between adjacent rooms on same floor abutting curtain walling: 40dB.

420 FIRE RESISTANCE OF CURTAIN WALLING• Standard: To BS 476-22.

- Minimum periods and criteria: N/a .

425 INTERNAL SURFACE SPREAD OF FLAME OF CURTAIN WALLING• Standard: To BS 476-7.

- Class 0.

430 FIRE STOPPING• Locations: At junctions of curtain walling with compartment walls and floors.• Materials and methods of fixing: To ensure fire resistance not less than that specified for

compartment walls and floors.

436 DOORS AND OTHER ACCESS FACILITIES• Performance criteria: To CWCT 'Standard for systemised building envelopes' Part 3.• Access facilities designated for use by disabled persons: Entrance and fire escape doors.• Strength and durability: To CWCT 'Standard for systemised building envelopes' clause

4.3.3.- Forces and tests: No additional requirements.

• Security:- Applicable doors: As Architect's drawing number ???.- Security rating: To LPS 1175 security rating classification SR2 .

440 DURABILITY• Relevant agents or degradation mechanisms: -.• Design life of the curtain walling system: Not less than 25 years.• Secondary components: Submit details together with required maintenance regime,

replacement periods and methods of replacement.

445 LIGHTNING PROTECTION SYSTEM• Curtain wall components used as part of lightning protection system: Refer to MEP

contractor's drawings and specification.

450 SAFETY• Finished surfaces of curtain walling: Accessible internal and external areas must not:

- Have irregularities capable of inflicting personal injury.- Release irritant or staining substances.



460 STRUCTURAL SEALANT GLAZING REQUIREMENTS• Structural sealant glazing units: Installable, removable and replaceable without site

application of structural bonding sealant.• Structural sealant glazing design: Must limit design tensile stress of sealants to 138 kPa.

TESTING

510 COMPARISON (TYPE) TESTING• Requirement: To CWCT 'Standard for systemised building envelopes', Part 8.• Test results and reports: Before commencement of curtain walling fabrication and

installation, submit proof of compliance with this specification.

530 TESTING AUTHORITY• Requirement: Project testing must be carried out by a United Kingdom Accreditation

Service (UKAS) approved independent laboratory.

635 SITE HOSE TEST• Requirement: To CWCT 'Standard for systemised building envelopes', 'Standard test

methods for building envelopes' Section 9.- Joints to be tested: All typical joints: 2.00m length in 4 locations; junctions: 4 junctions .

PRODUCTS

710 ALUMINIUM ALLOY FRAMING SECTIONS• Standard: To relevant parts of BS EN 515, BS EN 573, BS EN 755 and BS EN 12020.• Alloy, temper and thickness: Suitable for the application and specified finish.• Structural members: To BS 8118.

712 ALUMINIUM ALLOY SHEET• Standards: To relevant parts of BS EN 485, BS EN 515 and BS EN 573.• Alloy, temper and thickness: Suitable for the application and specified finish.

715 CARBON STEEL FRAMING SECTIONS/ REINFORCEMENT• Standards: To relevant parts of BS 7668, BS EN 10029, and BS EN 10210.• Thickness: Suitable for the application, and for galvanizing or other protective coating.

717 CARBON STEEL SHEET• Standards: To relevant parts of BS 1449-1, BS EN 10048, BS EN 10051, BS EN 10111,

BS EN 10131, BS EN 10132, BS EN 10139, BS EN 10140, BS EN 10149, BS EN 10209and BS EN 10268.

• Grade and thickness: Suitable for the application, and for galvanizing or other protectivecoating.

720 STAINLESS STEEL SHEET• Standards: To relevant parts of BS EN 10029, BS EN 10048, BS EN 10051, BS EN 10095

and BS EN ISO 9445.• Grade: To BS EN 10088-2, austenitic 1.4301 (304) generally, 1.4401 (316) when used

externally or in severely corrosive environments.• Thickness: Suitable for the application.

730 MECHANICAL FIXINGS• Stainless steel: To BS EN ISO 3506, grade A2 generally, grade A4 when used in severely

corrosive environments.• Carbon steel: To BS 4190 and suitable for galvanizing or other protective coating.• Aluminium brackets, rivets and shear pins: To relevant parts of BS EN 755.



732 ADHESIVES• General: Not degradable by moisture or water vapour.

735 FIXING ANCHORS• Type and use: Reviewed and approved by fixing manufacturers. Submit confirmatory

information on request.• Dimensions: Not less than recommended by their manufacturers.• Adjustment capability: Sufficient in three dimensions to accommodate building structure

and curtain walling fabrication/ installation tolerances.

737 GLASS GENERALLY• Standards: To BS 952 and relevant parts of:

- BS EN 572 for basic soda lime silicate glass.- BS EN 1096 for coated glass.- BS EN 1748 for borosilicate glass.- BS EN 1863 for heat strengthened soda lime silicate glass.- BS EN 12150 for thermally toughened soda lime silicate glass.- BS EN 13024 for thermally toughened borosilicate glass.- BS EN ISO 12543 for laminated glass.

• Glass quality: Clean and free from obvious scratches, bubbles, cracks, ripplings, dimplesand other defects.

• Glass edges: Generally undamaged. Shells and chips not more than 2 mm deep andextending not more than 5 mm across the surface are acceptable if ground out.

739 DIMENSIONAL TOLERANCES ON GLASS• Measurement of tolerances: Before any thermal toughening/ heat strengthening.• Pane dimensions less than 1500 mm:

- For 3 to 6 mm thick glass: ± 1.0 mm.- For 8 to 12 mm thick glass: ± 1.5 mm.- For 15 mm thick glass: ± 2.0 mm.- For 19 mm and 25 mm thick glass: ± 2.5 mm.

• Pane dimensions more than 1500 mm:- For 3 to 6 mm thick glass: ± 1.5 mm.- For 8 to 12 mm thick glass: ± 2.0 mm.- For 15 mm thick glass: ± 2.5 mm.- For 19 mm and 25 mm thick glass: ± 3.0 mm.

• Pane squareness: Not more than 4 mm difference in diagonal measurements.

741 DISTORTIONAL TOLERANCES ON GLASS• Measurement of tolerances: After any thermal toughening/ heat strengthening.• Maximum bow: 0.2% of pane dimension.• Maximum roller wave:

- For 3 to 5 mm thick glass: 0.5 mm.- For 6 to 10 mm thick glass: 0.3 mm.- For 12 mm and thicker glass: 0.15 mm.

• Maximum edge dip:- For 3 to 5 mm thick glass: 0.8 mm.- For 6 to 10 mm thick glass: 0.5 mm.- For 12 mm and thicker glass: 0.25 mm.

742 HEAT SOAKED THERMALLY TOUGHENED GLASS• Standard: To BS EN 14179.

- Holding period: 2 hours.• Locations of heat soaked glass: as determined by contractor.



745 INSULATING GLASS UNITS• Standard and labels for hermetically sealed units: To BS EN 1279.• Label: Each pane.• Colour of aluminium perimeter spacers: Natural.• Perimeter taping: Not to be used.• Perimeter seals:

- Resistant to UV light degradation on exposed edges.- Compatible with structural, assembly and weather sealants.

747 GLASS EDGE CONDITION FOR STRUCTURAL SEALANT GLAZING• Bonded, unframed outer edges: Flat ground with a small arris suitable for open jointing or

for weatherseal jointing.

750 INFILL PANELS/ FACINGS• Tolerances:

- Deviation in size (maximum): ± 1 mm.- Deviation in flatness from plane per 2 m length (maximum): ± 1 mm.

• Rigidity: Adequate to comply with design/ performance requirements.

760 GASKETS• Material:

- Noncellular rubber to BS 4255-1.- Cellular rubber to ASTM-C509.

• Continuity: Outer gaskets of single front sealed curtain walling systems and inner gasketsof drained and ventilated or pressure equalized curtain walling systems must be formed ina complete frame with sealed joints. Vulcanized rubber gaskets must have factory mouldedcorner joints.

• Durability: Resistant to oxidation, ozone and UV degradation.

765 WEATHERSTRIPPING OF OPENING UNITS• Material:

- Noncellular rubber to BS 4255-1.- Cellular rubber to ASTM-C509.- Polypropylene woven pile, silicone treated.

• Attachment: Fixed in undercut grooves in framing sections using preformed corners, withany joints in the length.

770 GENERAL SEALANTS• Selection: In accordance with BS 6213 from:

- Silicone.- One part polysulfide.- Two part polysulfide.- One or two part polyurethane.

• Classification and requirements: To BS EN ISO 11600.• Reaction to contact products and finishes: Stable and compatible.

772 CURTAIN WALLING JOINT ASSEMBLY SEALANTS• Material: One part, low modulus silicone to BS EN ISO 11600, type F or G. Neutral curing

where in contact with or close proximity to other products that may be adversely affected by acetoxy curing.

• Manufacturer: Contractor's choice.- Product reference: Contractor's choice.



780 THERMAL INSULATION• Material: Contactor's choice.

- Recycled content: Contractor's choice.- Properties: Durable, rot and vermin proof and not degradable by moisture or water

vapour.• Fixing: Attached to or supported within the curtain walling so as not to bulge, sag,

delaminate or detach during installation or in situ during the life of the curtain walling.

785 VAPOUR CONTROL LAYER• Acceptable materials:

- Aluminium alloy.- Carbon steel, galvanized or protective coated.- Stainless steel.- Reinforced membranes: Foil, plastics or rubbers, protected both sides by rigid facings/

linings.• Location: Warm side of thermal insulation.• Integrity: Continuous, free from gaps and sealed at joints.

FINISHES

810 PROTECTIVE COATING OF CARBON STEEL FRAMING SECTIONS/ REINFORCEMENT

• Treatment: One of the following to all surfaces:- Hot dip galvanized to BS EN ISO 1461.- An appropriate equivalent coating to BS 5493, BS EN ISO 12944 or BS EN ISO 14713.

820 PROTECTIVE COATING OF CARBON STEEL MECHANICAL FIXINGS• Treatment: One of the following to all surfaces:

- Hot dip galvanized to BS EN ISO 1461.- Sherardized to BS 4921, class 1 coating thickness and passivated.- Zinc plated to BS EN 12329, coating designation Fe//Zn//C for an iridescent (yellow

passivate) chromate conversion coating or Fe//Zn//D for an opaque (olive green)chromate conversion coating.

830 POWDER COATING• Requirement: As section Z31.

840 ANODIZING• Requirement: As section Z33.

FABRICATION AND INSTALLATION

910 GENERALLY• Electrolytic corrosion: Prevent. Submit proposed methods.• Fixings: Concealed unless indicated on detailed drawings. Where exposed they must

match material and finish of the products fixed.• Fabrication: Machine cut and drill products in the workshop wherever possible.• Identification of products: Mark or tag to facilitate identification during assembly, handling,

storage and installation. Do not mark surfaces visible in the completed installation.

912 METALWORK• Requirement: As section Z11, unless specified otherwise in this section.



915 GLAZING• Requirement: As section L40, unless specified otherwise in this section.• Directional patterned/ wired glass: Generally fix parallel to surround and align adjacent

panes where seen together at close quarters.

917 FIXINGS/ ADHESIVES APPLICATION• Requirement: As section Z20, unless specified otherwise in this section.

920 SEALANT APPLICATION• Requirement: As section Z22, unless specified otherwise in this section.

930 ASSEMBLY• General: Carry out as much assembly as possible in the workshop.• Joints (other than movement joints): Rigidly secured, reinforced where necessary and fixed

with hairline abutments. • Displacement of components in assembled units: Submit proposals for reassembly on site.

935 OPENABLE WINDOWS IN NATURALLY VENTILATED BUILDINGS• Location: Over 10 m from sources of external pollution.

955 FIXING ANCHOR INSTALLATION• Site drilling or cutting into structure: Submit proposals for positions other than shown on

detailed drawings.• Concrete supporting structure:

- Cast-in inserts: Provide detailed locational information. Protect cavities in inserts fromentry of concrete.

- Edge fixing distances: Not less than recommended by fixing anchor manufacturers.• Corrective fabrication: Minimize. Where necessary, submit proposals.

970 CURTAIN WALLING INSTALLATION• Securing to fixing anchors: Through holes formed during fabrication only.• Tightening mechanical fasteners: To manufacturer's recommended torque figures. Do not

overtighten fasteners intended to permit differential movement.• Protective coverings: Remove only where necessary to facilitate installation and from

surfaces that will be inaccessible on completion.

975 WELDING• In situ welding: Permitted, subject to completion of and compliance with a 'hot work permit'

form .

980 INTERFACES• Flashings, closers, etc: Locate and form correctly to provide weathertight junctions with the

curtain walling.

982 IRONMONGERY• Assembly and fixing: Accurately, using fasteners with matching finish supplied by

ironmongery manufacturer.• Completion: Check, adjust and lubricate as necessary to ensure correct functioning.

985 MAINTENANCE• Maintenance manual: Incorporate details within the Building Manual in accordance with

CWCT 'Standard for systemised building envelopes' clause 7.6.1.- Materials certification and test reports to be included: All.



H13Structural glass assemblies

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 116 / Tender 21st Nov 2013


H13 Structural glass assemblies Tender Page 25 of 189

H13 Structural glass assemblies


TYPES OF STRUCTURAL GLASS ASSEMBLY

116 STRUCTURAL GLASS ASSEMBLY MAIN ENTRANCE CANOPY AND SCREENAssembly to comprise clear glass canopy suspended from a stainless steel frame. Theframe is supported along its inside edge with fixings back to the structure / curtain wall, andon the external edge by stainless steel rods back to the main structure through the curtainwall. Side screen comprises a clear glass sheet supported from a stainless steel clamp bracket fixed to a concrete base. Lateral stability is provided by the glass canopy / steelframe assembly. Refer to Architect's drawings for details.

• Supporting structure: Concrete ground slab / base.• Assembly supports:

Support frame: .- Material: Stainless steel.- Finish: Brushed longitudinally.

• Glass canopy:- Material: [Toughened laminated glass to BS EN 12150 ].- Finish: [Clear with fritting].- Suppports: Stainless steel pig-nose flush patch fittings.

• Glass screen:- Material: [Toughened laminated glass to BS EN 12150 ].- Finish: [Clear with fritting or manifestation as Architect's drawing / Company logo /

graphic].- Sealant jointing: Silicone .- Nominal joint width: 10 mm.- Support: Continuous stainless steel clamp raised above ground level, bolted to concrete

base. Clamp to include accessible LED strip lighting along bottom edge to edge light thevertical glass sheet (to Electrical Engineer's design). Base to be designed to supportvertical and lateral and overturning loads imposed by the side screen, including impactloading.


205 CONTRACTOR'S DESIGN CANOPY ASSEMBLY.• Design responsibility: Contractor's design of complete canopy and side screen assembly,

and concrete base.• Structural and fire requirements:

- Generally: As section B50.- Modifications: None.- Design: Complete the design in accordance with the designated code of practice to

satisfy specified performance criteria.• Functional requirements: As specified in this section and section A33.• Additional requirements: None.



206 CONTRACTOR'S DESIGN CANOPY ASSEMBLY.• Design responsibility: Contractor's design of complete canopy / side screen assembly as

described on the Architect's design intent drawings.• Design: Complete the design in accordance with British Standards and Codes of Practice

to satisfy specified performance criteria.• Functional requirements: As specified in this section and section A33.• Additional requirements: None.

225 INFORMATION TO BE PROVIDED BEFORE DETAILED DESIGN OF STRUCTURALGLAZING

• Submittals:- Detailed reports and calculations to prove compliance with design and performance

requirements. Reports and calculations must be based on approved laboratory testing or computer modelling.

- Full details of structural sealant glazing design.

231 INFORMATION TO BE PROVIDED BEFORE FABRICATION OF STRUCTURALGLAZING

• Submittals:- Detailed drawings to fully describe fabrication and installation.- Project specific fabrication, handling and installation method statements.- A schedule of loads that will be transmitted from the structural glass assembly to the

structure.- Proposals for connections to and support from the building structure and building

components.- Proposals for amendments to primary supporting structure and for secondary supporting

structure additional to that shown on preliminary design drawings.- A detailed fabrication and installation programme in compliance with the Main Contract

master programme.- Recommendations for safe dismantling and recycling or disposal of products.

241 LABELLED PRODUCT SAMPLES• Timing: Submit before commencing detailed design.• Samples: Glass / frit.

251 LABELLED SAMPLES OF FIXINGS• Timing: Submit during detailed design.• Samples: Each type of assembly fixing, with details of methods of adjustment and

tolerances.


331 GENERAL MOVEMENT• Requirement: The structural glass assembly must accommodate anticipated building

movement without damage.- Anticipated building movement: -.

391 THERMAL STRESS IN GLAZING• Glass panes and units: Must have adequate resistance to thermal stress generated by

orientation, shading, solar control and construction.

421 SECURITY• Threaded assembly fixings and assembly support fixings: Locked or pinned at completion

of structural glazing to prevent rotation due to building movement and unauthorizedadjustment.



430 ELECTRICAL CONDUCTIVITY AND EARTH BONDING• Standard: To BS 7671 and BS EN 62305-1 and -4.

440 DURABILITY• Products used in the structural glass assembly: Not liable to attack by fungi, insects or

vermin.• Schedule for maintenance and replacement of sealants and secondary components:

Submit.

TESTING

PRODUCTS

610 GLASS GENERALLY• Standards: To BS 952 and BS EN 1863 for heat strengthened soda lime silicate glass.• Glass quality: Clean and free from obvious scratches, bubbles, cracks, rippling, dimples

and other defects.• Glass edges: Flat ground, generally undamaged.

- Shells and chips: Permitted to maximum dimensions of 2 mm deep and 5 mm acrosssurface. Grind out to edges.

- Arrises: Slightly ground, suitable for sealant jointing.

615 DIMENSIONAL TOLERANCES ON GLASS• Measurement of tolerances: Before thermal toughening and/ or heat strengthening.• Panes:

- Dimensions < 1 m: ± 1 mm.- Dimensions > 1 m: ± 2 mm.- Squareness: Maximum 4 mm difference in diagonal measurements.

• Holes:- Positional tolerance: ± 1 mm from single datum point.- Diameter tolerance: ± 1 mm.

617 DISTORTIONAL TOLERANCES ON GLASS• Measurement of tolerances: After thermal toughening and/ or heat strengthening:• Bow (maximum): 0.2% of pane dimension.• Roller wave for glass thickness (maximum):

- 3–5 mm: 0.5 mm.- 6–10 mm: 0.3 mm.- > 12 mm: 0.15 mm.

• Edge dip for glass thickness (maximum):- 3–5 mm: 0.8 mm.- 6–10 mm: 0.5 mm.- > 12 mm: 0.25 mm.

620 THERMALLY TOUGHENED GLASS• Standards: To BS EN 12150 or BS EN 13024.• Impact performance: To BS EN 12600.• Edgework and holes: Complete before toughening.• Toughening process: Horizontal to eliminate tong marks and minimize dimensional

inaccuracies.• Nickel sulfide inclusions: Heat soak toughened glass to BS EN 14179.

- Holding period: 8 h.



630 LAMINATED GLASS• Panes: Thermally toughened glass, combined with heat strengthened glass to BS EN 1863

and BS EN ISO 12543 or annealed glass, to form panes that retain integrity in event of breakage.

• Interlayers to glass leaves: Polyvinyl butyral (pvb) or cast in place resin. Sealed at theperimeter to prevent deterioration due to water or glass joint sealant.

650 STAINLESS STEEL ASSEMBLY FIXINGS AND/ OR SUPPORTS• Castings and machined fittings: To BS EN 10088-1, grade 1.4401.• Plate and strip: To BS EN 10088-2, grade 1.4401.• Bars, rods and sections: To BS EN 10088-3, grade 1.4401.• Fasteners: Austenitic stainless steel, to BS EN ISO 3506-1 and 2, grade A4.

660 ALUMINIUM ALLOY ASSEMBLY FIXINGS AND/ OR SUPPORTS• Extrusions: To BS EN 573-3, alloy designation EN AW-6063.• Plate and strip: To BS EN 485, BS EN 515 and BS EN 573.


710 WORKMANSHIP GENERALLY• Fabrication: Machine cut and drill glass, assembly fixings and assembly supports in the

workshop.

720 SUITABILITY OF SUPPORTING STRUCTURE• Pre-installation survey: Submit report.



H31Metal profiled/ flat sheet cladding/ covering

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 120: lining sheets reference 242 / Tender 28th Nov 2013


H31 Metal profiled/ flat sheetcladding/ covering


H31 Metal profiled/ flat sheet cladding/ covering





TYPES OF CLADDING/ COVERING SYSTEM

120 METAL ROOF• Support structure: Steel frame and purlins to Structural Engineer's details and specification.

- Bearing width (minimum): Refer to Structural Engineer's details and specification .- Pitch: Refer to Structural Engineer's details and specification.

• External sheets: Aluminium to BS EN 508-2.- Manufacturer:

Kalzip LtdHaydock LaneHaydockSt.HelensMerseysideWA11 9TYTel: 01942 295500www.kalzip.co.uk.Product reference: Kalzip Aluminium Standing Seam with internal liner.

- Material: Aluminium grade EN AW-3004.- Thickness (nominal): 0.9 mm minimum.- Finish side 1 (outer): Mill Finished Natural Stucco Embossed .

Colour: Natural.- Finish side 2 (inner): -.

Colour: -.- Additional requirements:

NB: Curved roof: section between gridlines 8 & 9 (approx): radius 30m approx;remainder natural curve to follow roof structure.

• Accessories: As required to complete installation.• Primary cladding/ covering sheet fasteners: To manufacturer's recommendation.

- Fastener profile location: To manufacturer's recommendation.- Number of fasteners per sheet width:

Eaves and end laps: To manufacturer's recommendation.Intermediate supports: To manufacturer's recommendation.

• End laps size (minimum): To manufacturer's recommendation.• Sealing laps:

- End laps: Not required.- Side laps: Mechanically seamed.

• Stitching laps:- End laps: Not required.- Side laps: Not required.

• Spacers: Aluminium clip with thermal barrier pad.- Fasteners: To manufacturer's recommendation.

• Breather membrane: To manufacturer's recommendation.• Thermal insulation: As clause 271.• Vapour control layer: As clause 261.• Acoustic insulation: Not required.• Lining sheets: As clause 242.• Additional requirements:

Clip-on snow guards (As recommended by manufacturer).NB Roof to include flashed cut-outs to accommodate Sunpipes (Section L10) andAirscoops to MEP Engineer's details.




121 FASCIA PROFILE / LINING TO EAVES AND GABLES• Support structure: As clause Concealed steel frame.• Profile: As shown on Architect's drawings.• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.Material: Aluminium min 2mm thickness.Finish / Colour: Polyester powder coated / Colour: refer to Architect's Colour Schedule.

• Accessories: Factory fabricated fascia corners, stopend, transitional flashings, rear edgetrims, etc as required.

• Fixings: concealed.System to be fixed using aluminium and stainless steel fixings as recommended by themanufacturer.Special features:Panels to be stiffened as required to provide flat surface.Fascias to be jointed using internal profiled butt strap with 2mm to 3mm expansion gap.Soffit panels to be jointed with concealed fixing.Joints to be secured to the rear face of panels without any exposed or visible fixings on thesurface of the panels.


165 CONTRACTOR'S DESIGN OF ROOF COVERING• Design responsibility: Determine profile, sheet thickness and type, sizes and number of

fixings to suit the layout and details of supporting steelwork shown on structural Engineer'sdrawings.

• Design standard: In accordance with BS 5427-1.• Structural and fire requirements:


satisfy specified performance criteria.• Functional requirements: As specified in this section and section A33.• Additional requirements: None.• Design and production information: As Preliminaries section A31.• Timing of submissions: As Preliminaries section A31.

173 THERMAL PERFORMANCE/ BRIDGING• Requirement: Complete the thermal design of the cladding/ covering system to avoid

excessive thermal bridging.- Standards: MCRMA Technical Paper 14 and BRE Information Paper 1/06.- U value to comply with Building Regulations; min 0.18w/M²k.

175 PRODUCT SAMPLES• General: Before commencing detailed design, submit labelled samples of the following: roo

fing, curved fascia.


185 PERFORMANCE COMPLIANCE• Verification: Before commencing fabrication, submit evidence based on laboratory testing

or computer modelling.- Verifying authority: UKAS.




187 DEFLECTION OF METAL CLADDING/ COVERING• Roof covering: Maximum permitted deflection under distributed loads as a multiple of span

and due to:- Dead load: L/500.- Dead and imposed loads: L/200.- Dead and wind loads: L/90.

• Wall cladding: Maximum permitted deflection under distributed loads as a multiple of spanand due to:- Dead and wind loads: L/120.

198 WATER PENETRATION• Requirement: Under site exposure conditions, moisture must not penetrate onto internal

surfaces, or into cavities not designed to be wetted.

200 AVOIDANCE OF INTERSTITIAL CONDENSATION• Requirement: Determine interstitial condensation risk of cladding/ covering system using

the method described in BS 5250 Appendix D. If necessary, provide a vapour control layer to ensure that damage and nuisance from interstitial condensation does not occur.

• Outdoor psychrometric conditions (notional): To BS 6229, table A.1 as follows:- Temperature: Winter -5°C, summer 18°C.- Relative humidity: Winter 90%, summer 65%.- Vapour pressure: Winter 0.36 kPa, summer 1.34 kPa.

• Indoor psychrometric conditions (notional): As follows:- Temperature: 20°C.- Relative humidity: 40%.- Vapour pressure: 0.93 kPa.

• Calculated amount of winter interstitial condensate (maximum): 0.35.• Winter interstitial condensate:

- Calculated amount (maximum): 0.35 kg/m².- Calculated annual net retention: Nil.

202 AVOIDANCE OF SURFACE CONDENSATION• Requirement: Determine surface condensation risk of cladding/ covering system using the

method described in BS EN ISO 13788. If necessary, revise thermal insulation to providesatisfactory temperature factor (fmin). Ensure that damage and nuisance from surfacecondensation does not occur.

FIXING CLADDING/ COVERING

215 PAINTING STRUCTURE• Sequence: Paint outer surface of supporting structure before fixing cladding/ covering.

219 FASTENERS• Unspecified fasteners: Recommended for the purpose by the cladding/ covering

manufacturer.

221 FITTINGS AND ACCESSORIES• Unspecified fittings and accessories: Recommended for the purpose by the cladding/

covering manufacturer.

223 PREVENTION OF ELECTROLYTIC ACTION• Isolating tape: Type recommended by cladding/ covering manufacturer.

- Location: To contact surfaces of supports and sheets of dissimilar metals.




242 STEEL LINING TO ROOF• Manufacturer: Kalzip.

- Product reference: Liner TR35/200S..• Finish/ Colour: Painted where visible; colour as Architect's Colour Schedule.• Primary sheet fasteners: To manufacturer's recommendation.• End laps size (minimum): To manufacturer's recommendation.• End and side lap sealing: To manufacturer's recommendation.

261 VAPOUR CONTROL MEMBRANE• Material: Reinforced virgin polyethylene sheet.

- Vapour resistance (minimum): 530 MNs/g..• Continuity: No breaks and with the minimum of joints.

- Penetrations and abutments: Seal to vapour control membrane with tape. Achieve fullbond.

- Laps: Not less than 150 mm, seal with tape. Achieve full bond.• Tape: Double sided sealant with vapour resistivity not less than the vapour control

membrane.- Size (width and thickness): 15mm wide, 2mm thick.

• Repairs and punctures: Seal with lapped patch of vapour control membrane andcontinuous band of sealant tape along edges.

271 MINERAL WOOL THERMAL INSULATION• Standard: To BS EN 13162.• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Thickness (minimum): thickness lightly compressed to achieve specified maximum U-value.

• Recycled content: Contractor's choice.• Installation: Continuous and not compressed between outer and lining sheets. Secure to

prevent future movement or dislodgement.

300 PROFILE FILLERS GENERALLY• Material: To manufacturer's recommendation.• Manufacturer: Contractor's choice.

- Product references: Contractor's choice.• Colour: Black.• Thickness: To manufacturer's recommendation.• Fixing method: To manufacturer's recommendation.

- Requirement: To close cavities/ regulate air paths within the external envelope. Tight fitwith no unintended gaps.

305 FIRE RESISTING PROFILE FILLERS• Types: To accurately match sheet profile.• Fixing method: Adhesive recommended by profile filler manufacturer.




410 FIXING SHEETS GENERALLY• Cut edges: Clean true lines.• Penetrations: Openings to minimum size necessary.

- Edge reinforcement: To manufacturer's recommendation.• Sheet orientation: Exposed joints of side laps away from prevailing wind unless shown

otherwise on drawings.• Sheet ends, laps and raking cut edges: Fully supported and with fixings at top of lap.• Fasteners: Drill holes. Position at regular intervals in straight lines, centred on support

bearings.- Position of fasteners in oversized drilled holes: Central.- Fasteners torque: Sufficient to correctly compress washers.

• Debris: Remove dust and other foreign matter before finally fixing sheets.• Completion: Check fixings to ensure watertightness and that sheets are secure.• Cut edges: Paint to match face finish.

470 STRUCTURAL MOVEMENT JOINTS• Type: Cover flashing fixed on one side over gap between sheets.• Location: Coincident with structural movement joint.• Width of gap: To match structural movement joint requirements.• Requirement: Weathertight.

480 FLASHINGS/ TRIMS GENERALLY• Lap joint treatment:

- Vertical and sloping flashings/ trims: End laps to be same as for adjacent sheeting.- Horizontal flashings/ trims: End laps to be 150 mm, sealed and where possible arranged

with laps away from prevailing wind. • Method of fixing: To structure in conjunction with adjacent sheeting. Otherwise to sheeting.

- Fasteners: To manufacturer's recommendation.

540 ABUTMENTS• Junctions with flashings: Weathertight and neatly dressed down.

550 SEALING LAPS ON EXTERNAL SHEETS• Sealant tape: Types recommended by sheet manufacturer.

- Position: Below fixing positions in straight unbroken lines, parallel to and slightly backfrom edge of sheet.

• Seal quality: Effective, continuous and not overcompressed.• End laps: Sealant tape positions:

- Single line tape: Immediately below line of fasteners.- Second line tape (where specified): Slightly set back from edge of external sheet.

• Side laps: Sealant tape positions:- Single line tape: Outside line of fasteners.- Second line tape (where specified): On other side of fasteners.

554 WATER VAPOUR SEALING AT LAPS AND PENETRATIONS IN METAL LININGS -SEALANT TAPE

• Sealant tape: To manufacturer's recommendation.- Position : Below fixing positions in straight unbroken lines, parallel to and slightly back

from edge of sheet.• Seal quality: Effective, continuous and not overcompressed.




H43Metal composite panel cladding/ covering

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 125: product reference; note re feature channel / Tender 2nd Dec 2013


H43 Metal composite panelcladding/ covering


H43 Metal composite panel cladding/ covering


125 METAL COMPOSITE PANEL REFER TO ARCHITECT'S ELEVATION DRAWINGS• Support structure:

Existing steel columns.Where no existing columns are available: lightweight steel frame system.Contractor is to provide secondary steel framing around door and window openings asrequired.

• Panels:- Manufacturer:

Kingspan Limited.Product reference:KS600/900/1000 LS-MM - Mini Micro Profiled Longspan Insulated Wall Panel(refer to Architect's drawings for panel width).

- External facing material: Hot-dip galvanised steel.Finish: Polyurethane semi-gloss, 60micron.Colour: Metallic silver.

- Internal facing material: Hot-dip galvanised steel.Finish: Polyester.Colour: White.

• Core insulation: Rigid polyisocyanurate foam (PIR).• Panel thickness: Nominal 140mm.• Accessories:

Aluminium ppc cappings, corner profiles, trims, flashings etc to complete the installation;thickness 2mm.

• Primary fasteners: As determined by clause 220A.- Number and location of fasteners: For panels: As determined by clause 197A, but with

each panel fixed to each support using not less than two fastener located through tonguesection, as recommended by cladding manufacturer.

• Male/female panel joint sealant:- Factory applied weather seal set in rebate.- AWP filler and non-setting gun-grade, PremSeal CV or similar, site applied at theend of each panel where flashings pass over the joint.- Bridging seal across panel joint in line with AWP filler and internal air seal to be non-setting gun-grade, PremSeal CV or similar.End laps size (minimum):

• Vertical joints:Type: Option D (extruded top-hat section).

• Special features:- Aluminium feature channel at floor level: profile as Architect's drawing; fully sealed and

integrated in overall weather- and airtight envelope to achieve air permeabilityperformance requirement.PPC finish, colour: refer to Architect's Colour Schedule.

Channel to match feature channel in Curtain Walling (H11) and Rainscreen cladding (H92)in all respects. - Integrate aluminium windows (L10) and metal doors (L20) .





165 CONTRACTOR'S DESIGN WALL CLADDING• Design responsibility:

Determine depth and thickness of profile and type, sizes and number of fixings.Contractor's design of steel supports as section G10 where additional steel required.Determine suitability of existing steelwork for support and fixing of wall panels.

• Design standard: In accordance with BS 5427-1.• Structural and fire requirements:


satisfy specified performance criteria.• Functional requirements: As specified in this section and section A33.• Additional requirements: None.• Design and production information: As Preliminaries section A31.• Timing of submissions: As Preliminaries section A31.

173 THERMAL PERFORMANCE/ BRIDGING• Requirement: Complete thermal design of the cladding/ covering system to avoid

excessive thermal bridging.- Standard: MCRMA Technical Paper 14 and BRE Information Paper 1/06.- Comply with Building Regulations.

175 PRODUCT SAMPLES• General: Before commencing detailed design, submit labelled samples of the following:

Wall panel with vertical joint

176 FASTENER SAMPLES• General: During detailed design, submit labelled samples of each type of fastener.


185 PERFORMANCE COMPLIANCE• Verification: Before commencing fabrication, submit evidence based on laboratory testing

or computer modelling.- Verifying authority: UKAS .

187 DEFLECTION OF METAL CLADDING/ COVERING• Roof covering: Maximum permitted deflection under distributed loads as a multiple of span

and due to:- Dead load: L/500 .- Dead and imposed loads: L/200 .- Dead and wind loads: L/90 .

• Wall cladding: Maximum permitted deflection under distributed loads as a multiple of spanand due to:- Dead and wind loads: L/120 .

192 SOUND TRANSMITTANCE OF CLADDING/ COVERING SYSTEM - WEIGHTED• Location: Through external wall.• Requirement: Measure within 100 to 3150 Hz frequency range to BS 5821-3.

- Minimum weighted sound reduction index (Rw): Submit proposal.




198 WATER PENETRATION• Requirement: Under site exposure conditions, moisture must not penetrate onto internal

surfaces, or into cavities not designed to be wetted.

200 AVOIDANCE OF INTERSTITIAL CONDENSATION• Requirement: Determine interstitial condensation risk of cladding system using the method

described in BS 5250 Appendix D. If necessary, provide a vapour control layer to ensurethat damage and nuisance from interstitial condensation does not occur.

• Outdoor psychrometric conditions (notional): To BS 6229, table A.1 as follows:- Temperature: Winter -5°C, summer 18°C.- Relative humidity: Winter 90%, summer 65%.- Vapour pressure: Winter 0.36 kPa, summer 1.34 kPa.

• Indoor psychrometric conditions (notional): As follows:- Temperature: 20ºC.- Relative humidity: 40%.- Vapour pressure: 0.935 kPa.

• Calculated amount of winter interstitial condensate (maximum):• Winter interstitial condensate:

- Calculated amount (maximum): 0.35 kg/m².- Calculated annual net retention: Nil.

202 AVOIDANCE OF SURFACE CONDENSATION• Requirement: Determine surface condensation risk of cladding system using the method

described in BS EN ISO 13788. If necessary, revise thermal insulation to providesatisfactory temperature factor (fmin). Ensure that damage and nuisance from surfacecondensation and does not occur.

FIXING CLADDING/ COVERING

215 PAINTING STRUCTURE• Sequence: Paint outer surface of supporting structure before fixing cladding/ covering.

220 FASTENERS• Panel fasteners: Self drilling, self tapping screws with bonded washers.

Type(s), size(s) and drilling capacity: As recommended by fastener manufacturer tosuit type and thickness of supports, and thickness of cladding panels.

Screw material: Anti-corrosion coated carbon steel.Washer material: Non-ferrous.Washer size: 16 mm diameter.Heads: Hexagon head.

• Fasteners for vertical joint flashings/trims: As panel fasteners.• Flashing fasteners: Stitching screws with bonded washers.

Screw/washer material: As panel fasteners.Washer size: 14 mm diameter.Heads: With low profiled heads to match colour of the flashing.

221 FITTINGS AND ACCESSORIES• Unspecified fittings and accessories: Recommended for the purpose by the cladding/

covering manufacturer.

223 PREVENTION OF ELECTROLYTIC ACTION• Isolating tape: Type recommended by cladding/ covering manufacturer.

- Location: To contact surfaces of supports and sheets of dissimilar metals.




275 CONTINUITY THERMAL INSULATION• Material: Contractor's choice - submit proposal.

- Manufacturer: Contractor's choice.Product reference: Contractor's choice.

• Recycled content: Submit proposals.• Installation: Secure and continuous with cladding/ covering insulation.

311 PURPOSE MADE COLD FORMED METAL ACCESSORIES EXTERNAL• Material/finish: As external face of cladding.

Colour: To match external face of cladding.Workmanship as section Z11.

• Fixing: Stitch to external face of panels at 450 mm centres using secondary fasteners asspecified for the cladding system.

• Sealing: Contractor's choice.

312 PURPOSE MADE COLD FORMED METAL ACCESSORIES INTERNAL• Material/finish: As internal face of cladding.

Colour: White.Workmanship as section Z11.

• Fixing: Stitch to internal face of panels at max. 450 mm centres using secondary fastenersas specified for the cladding system.- Sealing: non-setting gun-grade site applied between flashing and panel.- End laps to be air sealed with gun grade sealant.

• Fixing: Stitch to external face of panels at 450 mm centres using secondary fasteners asspecified for the cladding system.

• Sealing: Contractor's choice.

480 FLASHINGS/ TRIMS GENERALLY• Lap joint treatment:

- Vertical and sloping flashings/ trims: End laps to be same as for adjacent panels.- Horizontal flashings/ trims: End laps to be 150 mm, sealed and where possible arranged

with laps away from prevailing wind. • Method of fixing: To structure in conjunction with adjacent panels. Otherwise to panels.

- Fasteners: Contractor's choice .

483 ACCESSORIES• Locations: External corners on GL 1 & 10 .• Fixings for downpipes: allow for fixing of downpipe brackets to cladding .

540 ABUTMENTS• Junctions with flashings: Weathertight and neatly dressed down.




H92Rainscreen cladding

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 120: note re feature channel / Tender 2nd Dec 2013


H92 Rainscreen cladding Tender Page 42 of 189

H92 Rainscreen cladding


TENDERING

10 INFORMATION TO BE PROVIDED WITH TENDER• Submit the following cladding particulars:

- Typical plan, section and elevation drawings at suitable scales.- Typical detailed drawings at large scales, including cladding build-up and suspension

system, major abutment details .- Technical information and certification demonstrating compliance with specification of

proposed incorporated products and finishes, including cladding material .- Certification, reports and calculations demonstrating compliance with specification of

proposed cladding.- Proposals for connections to and support from the primary support structure.- Proposals for primary support structure additional to that shown on preliminary design

drawings.- Schedule of builder's work, special provisions and special attendance by others.- Examples of standard documentation from which project quality plan will be prepared.- Preliminary fabrication and installation method statements and programme.- Proposals for replacing damaged or failed products.- Areas of non-compliance with specification.



TYPE(S) OF RAINSCREEN CLADDING

120 RAINSCREEN CLADDING REFER TO ARCHITECT'S ELEVATION DRAWINGS• Primary support structure: lightweight structural steel framing by specialist (eg Metsec).• Rainscreen cladding system:

- Manufacturer: Contractor's choice.The cladding is to comprise the complete installation to achieve the performancerequirements in this Section.Internal plasterboard lining: refer to Section K10. .

- Type: Drained and back ventilated.• Rainscreen panel:

- Manufacturer: Marley Eternit.Product reference: Natura Ventisol Mechanical Secret Fix.

- Material: Fibre cement.- Thickness: To manufacturer's recommendation.- Finish/ Colour: Natura colour: refer to Colour Schedule.- Fasteners: To manufacturer's recommendation for secret fixing.

Number and location: To manufacturer's recommendation.- Joint type: Open.- Joint width: Nominal 15mm.

• Air gap: 50 mm.• Secondary support/framing system: To manufacturer's recommendation.

- Manufacturer: Contractor's choice.- Product reference: -.- Material: Contractor's choice.- Fasteners: To manufacturer's recommendation.

Number and location: To manufacturer's recommendation.• Backing wall: Dry lining system to achieve air permeability performance.

- Vapour control layer: As clause 780.- Thermal insulation: As clause 775.- Breather membrane: As clause 785.

• Accessories: None.• Incorporated components: None.• Other requirements:

- Rainscreen cladding to incorporate windows as Section L10.- Aluminium feature channel at floor level: profile as Architect's drawing; fully sealed andintegrated in overall weather- and airtight envelope to achieve air permeability performancerequirement. PPC finish, colour: refer to Architect's Colour Schedule. Channel to matchchannel in Curtain Walling (H11) and Metal Composite Panel cladding (H43) in all respects.

GENERAL REQUIREMENTS/PREPARATORY WORK

210 DESIGN• Rainscreen cladding system and associated features: Complete detailed design in

accordance with this specification and the preliminary design drawings and submit beforecommencement of fabrication.

• Related works: Coordinate in detailed design.

215 DESIGN PROPOSALS• Submission of alternative proposals: Preliminary design drawings indicate intent. Other

reasonable proposals will be considered.



220 SPECIFICATION• Compliance standards: The Centre for Window and Cladding Technology (CWCT)

'Standard for systemised building envelopes'.• Reference information: For the duration of the contract, keep available at the design office,

workshop and on site copies of: - The Centre for Window and Cladding Technology (CWCT) 'Standard for systemised

building envelopes'.- Publications invoked by the CWCT 'Standard for systemised building envelopes'.

230 INFORMATION TO BE PROVIDED DURING DETAILED DESIGN• Submit the following cladding particulars:

- A schedule of detailed drawings and dates for submission for comment.- A schedule of loads that will be transmitted from the rainscreen cladding to the structure.- Proposed fixing details and systems relevant to the structural design and construction

with methods of adjustment and tolerances. - A schedule of fabrication tolerances/ size tolerances.- A detailed testing programme in compliance with the Main Contract master programme.- A detailed fabrication and installation programme in compliance with the Main Contract

master programme.- Proposals to support outstanding applications for Building Regulation consents or

relaxations.

232 QUALITY PLAN• Requirement: Submit during detailed design.• Content: In accordance with BS 5750, BS EN ISO 9001 and including the following:

- Name of the quality manager.- Quality assessment procedures.- Inspection procedures to be adopted in checking the work.- Stages at which check lists will be used and samples of the lists.- List of work procedures on the correct use of materials or components, both off site and

on site.- List of product information with latest revisions.- Subcontractors involved in the work.- Subcontractors quality plans.- Storage, handling, transport and protection procedures.- Procedure for registering and reporting non compliances.- Maintenance procedures and calibration records.- Certification that completed work complies with specification.- Check list register to ensure all items have been inspected and non compliances

discharged.

235 INFORMATION TO BE PROVIDED BEFORE COMMENCEMENT OF TESTING ORMANUFACTURE OF RAINSCREEN CLADDING SYSTEM

• Submit the following cladding particulars:- Detailed drawings to fully describe fabrication and installation.- Detailed calculations to prove compliance with design/ performance requirements.- Project specific fabrication, handling and installation method statements.- Certification for incorporated components manufactured by others confirming their

suitability for proposed locations in the rainscreen cladding.- Recommendations for spare parts for future repairs or replacements.- Recommendations for safe dismantling and recycling or disposal of products.

240 PRODUCT SAMPLES• General: Before commencing detailed design, submit labelled samples of: panel and

support system .



250 SAMPLES OF FIXINGS• General: During detailed design, submit labelled samples of each type of fixing, together

with manufacturers' recommended torque figures.

DESIGN/PERFORMANCE REQUIREMENTS

310 CWCT 'STANDARD FOR SYSTEMISED BUILDING ENVELOPES'• General: Unless specified or agreed otherwise comply with:

Part 2 - Loads, fixings and movement.Part 3 - Air, water and wind resistance.Part 4 - Operable components, additional elements and means of access.Part 5 - Thermal, moisture and acoustic performance.Part 6 - Fire performance.Part 7 - Robustness, durability, tolerances and workmanship.

• Project performance requirements specified in this subsection: Read in conjunction withCWCT performance requirements.

335 INTEGRITY OF VENTILATED RAINSCREEN CLAD WALLS• Requirement: Determine sizes and thickness of panels, sizes, number and spacing of

fixings, configuration and location of secondary support systems and incorporation of other accessories and fittings to ensure the cladding system, primary support structure and other elements forming the rainscreen wall will resist factored dead, imposed and design liveloads, and accommodate deflections and movements without damage.

• Wind loads: Calculate to BS 6399-2 appropriate to location, exposure, height, buildingshape and size, taking account of existing and known future adjacent structures.

• Hard body impact loads to BS 8200:- Location and category: Category D.

• Soft body impact loads to BS EN 14019: Location and classification: submit proposal.• Temporary imposed loads: maintenance / access ladders.

350 DEFLECTION UNDER WIND LOAD• Requirement: For listed components, at positive and negative applications of the design

wind pressure, normal deflections are not to exceed: -.• Additional stiffness to CWCT 'Standard for systemised building envelopes' clause 3.5.4.2: N

ot allowed.

370 APPEARANCE AND FIT• Requirement: Design rainscreen wall:

- To ensure position and alignment of all parts and features as shown on preliminarydesign drawings.

- To accommodate deviations in the primary support structure.• Primary support structure: Before commencing installation of rainscreen cladding system,

carry out survey sufficient to verify that required accuracy of erection can be achieved.- Give notice: If the structure will not allow the required accuracy or security of erection.- Design tolerances: As clause A33.

• Rainscreen envelope zone tolerances:- Width: As clause A33.

Critical reference location: None.• Maximum permitted component and installation tolerances: Panel tolerance ±2 mm,

installation tolerance ±2 mm, overall = ±4 mm.

380 GENERAL MOVEMENT• Requirement: Rainscreen cladding must accommodate anticipated building movements as

follows: Refer to Structural Engineer's detail and specification .



390 AIR PERMEABILITY EXFILTRATION• Requirement: The maximum permissible air exfiltration rate through the building envelope

system must not exceed: 5m³/(h.m²) at a test pressure of 50Pa.

410 AIR PERMEABILITY• Permeability class to BS EN 12152: A2.

- Peak test pressure: 300 Pa.

420 WATER PENETRATION• Watertightness class to BS EN 12154: R5.

- Peak test pressure: 300 Pa.• Additional requirements: Mineral wool insulation attached to backing wall not to be wetted

at peak test pressure.

430 THERMAL PROPERTIES• Method for calculating the thermal transmittance (U-value) of the rainscreen wall: Weighted

U-value.• Average U-value of rainscreen wall: To meet Building Regulations; min 0.26W/m²K.• Method for assessing thermal transmittance (U-value) of assemblies: By calculation.

440 AVOIDANCE OF CONDENSATION• Requirement: Psychrometric conditions under which condensation must not form within or

on the interior surface of the rainscreen wall or any surface of the wall that is on the warmside of insulation are:- Notional outdoor psychrometric conditions as BS 6229, table A1.- Notional indoor psychrometric conditions:

Temperature: 20°C.Relative humidity: 40%.Vapour pressure: 0.93 kPa.

• Winter interstitial condensate:- Calculated amount (maximum): 0.35 kg/m².- Calculated annual net retention: Nil.

450 VAPOUR CONTROL LAYER• Interstitial condensation risk within rainscreen wall: Determine using the method described

in BS 5250 Annex D. If necessary, provide a suitable vapour control layer to ensure thatdamage and nuisance from interstitial condensation does not occur.

461 SOUND TRANSMITTANCE• Minimum weighted sound reduction index (Rw) to BS EN ISO 717-1:

- Between internal and external surfaces of rainscreen clad wall: Submit proposal.• Minimum weighted sound reduction index (Rw) to BS EN ISO 717-1.

- Between adjacent floors abutting rainscreen clad wall: 40dB.- Between adjacent rooms on same floor abutting rainscreen clad wall:40dB

480 FIRE RESISTANCE OF BACKING WALL TO BS 476- 21• Minimum periods and criteria: N/a .

485 INTERNAL SURFACE SPREAD OF FLAME OF BACKING WALL TO BS 476-7• Class: 0 .

490 CAVITY FIRE BARRIERS TO BS 476-20• Requirement: To resist the passage of flame and smoke for not less than 30 min. integrity,

30 min, insulation .



495 DURABILITY• Relevant agents or degradation mechanisms: -.• Design life of the rainscreen cladding system: Not less than 25 years.• Secondary components: Submit details together with required maintenance regime,

replacement periods and methods of replacement.

497 LIGHTNING PROTECTION SYSTEM• Rainscreen components used as part of lightning protection system: None.

TESTING

510 COMPARISON (TYPE) TESTING• Verification of performance:

- Submit: Certification and reports satisfying CWCT 'Standard for systemised buildingenvelopes', clause 1.5.5 items a and b.

• Commencement of fabrication and installation of rainscreen cladding: Not until test resultsand reports showing compliance with this specification have been submitted.

530 TESTING AUTHORITY• Requirement: Project testing must be carried out by a United Kingdom Accreditation

Service (UKAS) approved independent laboratory.

685 SITE HOSE TEST• Requirement: To CWCT 'Standard for systemised building envelopes', 'Standard test

methods for building envelopes' Section 9.- Joints to be tested: horizontal and vertical: 2.00 length in 4 locations.

PRODUCTS

710 ALUMINIUM ALLOY FRAMING SECTIONS• Standards: To BS EN 755 alloy EN AW-6063 and suitable for the specified finish.• Structural members: To comply with BS 8118.

712 ALUMINIUM ALLOY SHEET• Standards: To BS EN 485, BS EN 515 and BS EN 573.• Alloy, temper and thickness: Suitable for the application and specified finish.

715 CARBON STEEL FRAMING SECTIONS/ REINFORCEMENT• Standards: To the relevant parts of BS 7668, BS EN 10029, BS EN 10025, and BS EN

10210.• Thickness: Suitable for the application, and for galvanizing or other protective coating.

717 CARBON STEEL SHEET• Standards: To the relevant parts of BS 1449-1, BS EN 10048, BS EN 10051, BS EN

10111, BS EN 10131, BS EN 10132, BS EN 10139, BS EN 10140, BS EN 10149, BS EN10209, and BS EN 10268.

• Grade and thickness: Suitable for the application, and for galvanizing or other protectivecoating.

720 STAINLESS STEEL SHEET• Standards: To the relevant parts of BS EN 10029, BS EN 10048, BS EN 10051, BS EN

10095 and BS EN ISO 9445.• Grade: To BS EN 10088-2, austenitic 1.4301 (304) generally, 1.4301 (316) when used

externally or in severely corrosive environments.• Thickness: Suitable for the application.



730 MECHANICAL FIXINGS - MATERIAL REQUIREMENTS• Stainless steel: To BS EN ISO 3506 grade A2 generally, grade A4 when used in severely

corrosive environments.• Carbon steel: To BS 4190 and suitable for galvanizing or other protective coating.• Aluminium: To BS EN 755.

732 ADHESIVES• General: Not degradable by moisture or water vapour.

735 FIXINGS AND FASTENERS• Type and use: Reviewed and approved by manufacturers. Submit confirmatory information

on request.• Dimensions: Not less than recommended by their manufacturers.• Adjustment capability: Sufficient in three dimensions to accommodate primary support

structure and rainscreen cladding fabrication/ installation tolerances.

770 GENERAL SEALANTS• Selection: In accordance with BS 6213 from:

- Silicone.- One part polysulfide.- Two part polysulfide.- One or two part polyurethane.

• Classification and requirements: To BS EN ISO 11600.• Reaction to contact products and finishes: Stable and compatible.

775 THERMAL INSULATION• Material: Mineral wool to BS EN 13162.

- Properties: Durable, rot and vermin proof and not degradable by moisture or water vapour.

• Recycled content: Contractor's choice.• Fixing: Attached to the outer face or supported within the backing wall so as not to bulge,

sag, delaminate or detach during installation or in situ during the life of the rainscreencladding.

780 VAPOUR CONTROL LAYER• Material: 1000 gauge polyethylene sheet .

- Minimum vapour resistance: 250 MN s/g .- Manufacturer: Contractor's choice .

Product reference: Contractor's choice .• Continuity: No breaks and with the minimum of joints.

- Penetrations and abutments: Seal to vapour control layer. If necessary, prime substratesto achieve full bond.

- Sheet laps: Not less than 150 mm, seal with tape. Prime substrates as necessary toachieve full bond.

• Sheet tape: Double sided sealant with vapour resistivity not less than the vapour controlsheet.- Size (width and thickness): Contractor's choice .

• Sheet repairs and punctures: Seal with lapped patch of vapour control membrane andcontinuous band of sealant tape along edges.



785 BREATHER MEMBRANE• Material: Contractor's choice .• Manufacturer: Contractor's choice .

- Product reference: Contractor's choice .• Continuity: No breaks. Minimize joints.

- Penetrations and abutments: Attach to breather membrane with tape. Achieve full bond.- Laps: Not less than 150 mm, bond with tape. Achieve full bond.

• Tape: As recommended by breather membrane manufacturer.• Repairs: Lapped patch of breather membrane material secured with continuous band of

tape on edges.• Junctions at flashings, sills, gutters etc. Overlap and allow free drainage to exterior.

FINISHES

810 PROTECTIVE COATING OF CARBON STEEL FRAMING SECTIONS/ REINFORCEMENT

• Treatment: All surfaces to one of the following:- Hot dip galvanized to BS EN ISO 1461.- An appropriate equivalent coating to BS 5493, BS EN ISO 12944 and BS EN ISO 14713.

820 PROTECTIVE COATING OF CARBON STEEL MECHANICAL FIXINGS• Treatment: All surfaces to one of the following:

- Hot dip galvanized to BS EN ISO 1461.- Sherardized to BS 4921, class 1 coating thickness and passivated.- Zinc plated to BS EN 12329, coating designation of FE//Zn//C for an iridescent (yellow

passivate) chromate conversion coating or FE//Zn//D for an opaque (olive green)chromate conversion coating.

830 POWDER COATING• Requirement: As section Z31.

840 ANODIZING• Requirement: As section Z33.


910 GENERALLY• Electrolytic corrosion: Take necessary measures to prevent.• Identification of products: Mark or tag to facilitate identification during assembly, handling,

storage and installation. Do not mark surfaces visible in the complete installation.

912 METALWORK• Requirement: As section Z11, unless specified otherwise in this section.

922 FIXINGS/ ADHESIVES APPLICATION• Requirement: As section Z20, unless specified otherwise in this section.

925 SEALANT APPLICATION• Requirement: As section Z22, unless specified otherwise in this section.

930 ASSEMBLY• Location: Carry out as much assembly as possible in the workshop.• Joints: Other than movement joints and designed open joints, must be rigidly secured,

reinforced where necessary and fixed with hairline abutments.• Displacement of components in assembled units: Submit proposals for reassembly on site.



960 PRELIMINARY RAINSCREEN CLADDING INSTALLATION• Requirement: Complete an area of cladding as set out below for inspection and approval of

appearance.First section of cladding to be presented for approval .

970 RAINSCREEN CLADDING INSTALLATION• Tightening mechanical fasteners: To manufacturer's recommended torque figures. Do not

overtighten fasteners intended to permit differential movement.• Protective coverings: Remove only where necessary to facilitate installation and from

surfaces which will be inaccessible on completion.

975 WELDING• In situ welding: Permitted, subject to completion of and compliance with a 'hot work permit'

form.

980 INTERFACES• Installation: Locate flashings, closers etc. correctly and neatly overlap cladding to form a

weathertight junction.

985 DAMAGE• Repairs: Do not repair cladding without approval.

- Approval: Will not be given where the proposed repair will impair performance or appearance.

• Record of repairs: Prepare schedule or record on drawings for inclusion in themaintenance manual.

995 MAINTENANCE• Maintenance manual: Incorporate details within the Building Manual in accordance with

CWCT 'Standard for systemised building envelopes', clause 7.6.1.- Materials certification and test reports to be included: All.



K10Plasterboard dry linings/ partitions/ ceilings

No.


Purpose



K10 Plasterboard dry linings/ partitions/ ceilings




TYPES OF DRY LINING

115 METAL STUD PARTITION SYSTEM GENERALLY EXCEPT WHERE OTHERWISESPECIFIED

• Partition type: Single row studs or to achieve specified acoustic and fire performance.• Partition height:

Ground: maximum approx 3.30m.First: maximum approx 4.00m (height varies).

• Head condition:Main Entrance block:Ground: composite concrete deck (eg Comflor).First: steel liner tray forming the underside of the curved standing seam roof system.Offices block:Ground: lightweight steel framing system.First: steel liner tray forming the underside of the curved standing seam roof system.- Deflection allowance: As required.

• Structural performance:- Strength grade to BS 5234-2: Medium.

Additional tests: Not required.- Air pressure and deflection: Air pressure (maximum) 200 N/m² and deflection (maximum)

height ÷ 240 mm.- Other requirements: Allow for weight of ceramic tiles, as section M40, and WHB's etc in

Toilets.• Fire resistance of complete partition assembly: To achieve fire resistance specified on

Architect's Fire Plan drawings.• Airborne sound insulation

- Laboratory measurement of complete partition assembly:- Weighted sound reduction index Rw (minimum) to BS EN ISO 717-1:

Office/Office:Prototype /Meeting Rooms:(To achieve acoustic performance specified on Architect's Acoustic drawings.

• Metal framing: Type recommended by board manufacturer to complete the partitionassembly and achieve specified performance.

• Insulation: As recommended by board manufacturer to meet specified performance.- Recycled content: Contractor's choice.- Thickness: As recommended by board manufacturer to meet specified performance.

• Resilient layer: -.• Linings: To meet fire and acoustic performance criteria (if one layer then Impact Resistant).

Moisture resistance boarding to be used in WC's and Cleaner's Room, suitable for walltiling where specified.

• Finishing: Seamless jointing .- Primer/ Sealer: Primer to painted areas.- Accessories: Galvanised metal beads/ stops as recommended by board manufacturer.

• Other requirements: Fire stopping around services as section P12.




116 METAL STUD PARTITION SYSTEM OFFICE BLOCK• Partition type: Lightweight structural framing system to achieve acoustic and fire

performance.• Partition height:

Ground: maximum approx 3.30m.First: maximum approx 4.00m (height varies).

• Head condition:Offices block:Ground: lightweight steel framing system.First: steel liner tray forming the underside of the curved standing seam roof system.Deflection head detail to accommodate movement: refer to Structural Engineer's details.- Deflection allowance: As required.

• Structural performance:- Strength grade to BS 5234-2: refer to Structural Engineer's details/specification.

Additional tests: Not required.- Air pressure and deflection: Air pressure (maximum) 200 N/m² and deflection (maximum)

height ÷ 240 mm.- Other requirements: None.

• Fire resistance of complete partition assembly:To achieve fire resistance specified on Architect's Fire Plan drawings.NB the First Floor and its supporting structure is to be 30 minutes fire rated.

• Airborne sound insulation- Laboratory measurement of complete partition assembly:- Weighted sound reduction index Rw (minimum) to BS EN ISO 717-1:

(To achieve acoustic performance specified on Architect's Acoustic drawings.• Metal framing: Type recommended by board manufacturer to complete the partition

assembly and achieve specified performance.• Insulation: As recommended by board manufacturer to meet specified performance.

- Recycled content: Contractor's choice.- Thickness: As recommended by board manufacturer to meet specified performance.

• Resilient layer: -.• Linings: To meet fire and acoustic performance criteria.• Finishing: Seamless jointing .

- Primer/ Sealer: Primer to painted areas.- Accessories: Galvanised metal beads/ stops as recommended by board manufacturer.

• Other requirements:Fire stopping around services.




117 METAL STUD PARTITION SYSTEM ASSEMBLY / WORKSHOP BUILDING• Partition type: Single row studs or to achieve specified structural, acoustic and fire

performance.• Partition height:

Maximum to existing roof (retained) 4.70m (NB double height in stairs).NB Cavity barriers within void between existing and new roof.

• Head condition:Steel liner tray forming the underside of the curved standing seam roof system.- Deflection allowance: Refer to Structural Engineer's details and specification.

• Structural performance:- Strength grade to BS 5234-2: Heavy.

Additional tests: Not required.- Air pressure and deflection:

Air pressure (maximum) 200 N/m² and deflection (maximum) height ÷ 240 mm generally.NB increased air pressure possible in Tenant Areas with large external openings (shutter doors).

- Other requirements: Allow for built-in windposts as Structural Engineer's details andspecification.

• Fire resistance of complete partition assembly: To achieve fire resistance specified onArchitect's Fire Plan drawings.

• Airborne sound insulation- Laboratory measurement of complete partition assembly:- Weighted sound reduction index Rw (minimum) to BS EN ISO 717-1:

To achieve acoustic performance specified on Architect's Acoustic drawings.• Metal framing: Type recommended by board manufacturer to complete the partition

assembly and achieve specified performance.• Insulation: As recommended by board manufacturer to meet specified performance.

- Recycled content: Contractor's choice.- Thickness: As recommended by board manufacturer to meet specified performance.

• Resilient layer: -.• Linings:

To meet fire and acoustic performance criteria (if one layer then Impact Resistant).NB include to following areas Fermocell boards or equal approved (on both sides) up to aheight of 2.4m for the fixing of services and equipment, as clause 411:Project Area, Prototype Area, Tenant Spaces, Comms Room and Switch Room.

• Finishing: Seamless jointing.- Primer/ Sealer: Primer to painted areas.- Accessories: Galvanised metal beads/ stops as recommended by board manufacturer.

• Other requirements:Partitions to incorporate glazed screens. NB maintain deflection head without takingsupport from screen below.Fire stopping around services as section P12.Cavity barriers within void between existing and new roof as clause 546.




145 WALL LINING SYSTEM (METAL STUDS) EXTERNAL WALLS TO BIC OFFICES,ENTRANCE AREA, WC'S ETC

• Cavity between wall and studs: Internal lining to rain-screen cladding to West elevation(H92).

• Wall lining height: Refer to drawings.- Intermediate bracing: Contractor's choice.

• Head condition: Refer to drawings.- Deflection allowance: Refer to Structural Engineer's details and specification.

• Structural performance:- Strength grade to BS 5234-2: Refer to Structural Engineer's details and specification.

Additional tests: Not required.- Air pressure and deflection: Refer to Structural Engineer's details and specification.- Other requirements: Coordinate with cladding sub-contractor to achieve air-tightness and

vapour permeability criteria.• Fire resistance of complete wall lining assembly: Not required.• Thermal resistance (R) of complete wall lining assembly (excluding surface resistances): N

ot required; thermal resistance provided by Rainscreen installation (H92).• Metal framing: Type recommended by board manufacturer to complete the partition system

and achieve specified performance.• Insulation: in cladding package.

- Recycled content: Contractor's choice.- Thickness: -.

• Moisture vapour resistance (minimum): -.• Resilient layer: -.• Linings: To meet fire and acoustic performance criteria (if one layer then Impact Resistant).• Access units: none.• Finishing: Seamless jointing.

- Primer/ Sealer: Primer to painted areas.- Accessories: Galvanised metal beads/ stops as recommended by board manufacturer.

• Other requirements: Wall lining to abut and coordinate with cladding and window sub-contracts.

206 WALL LINING EXISTING MASONRY WALL• Background: Existing brick/block wall• Linings: 12.5 mm plasterboard; (if one layer then Impact Resistant).

- Fixing: Contractor's choice.• Finishing: Seamless jointing.

- Primer/ Sealer: Primer to painted areas.- Accessories: Metal beads/ stops recommended by board manufacturer .

• Other requirements: Fire stopping around service penetrations.




215 SUSPENDED CEILING SYSTEM ENTRANCE AREA, WC'S, TEA POINT ETC• Lining board: 12.5 mm plasterboard.

- Finishing: Seamless jointing.Primer/ Sealer: Primer to painted areas.

- Accessories: Metal beads/ stops recommended by lining board manufacturer.• Suspension system: As recommended by lining manufacturer to complete the ceiling

system and achieve specified performance.- Grid type: Contractor's choice.- Hangers: Type recommended by board manufacturer.

Length: To give ceiling soffit height of +102.030 AOD.- Top fixing: To suit structural soffit of :

Ground floor: first floor structural soffit.Upper floor: steel liner to curved roof system.

• Insulation: Mineral wool to BS EN 13162.- Recycled content: 50% (minimum) to BS EN ISO 14021.- Thickness: n/A.

• Access units: As required by MEP contractor's design.• Integrated services fittings: to suit fittings as shown on MEP drawings.• Other requirements:

In Meeting Areas plasterboard forms a raft ceiling with curved edge trim on outside edgeand aluminium shadow gap profile at abutment with metal suspended ceiling.

• System performance:- Structural: The ceiling system must safely support all anticipated loads including services

fittings.Test standard: To BS EN 13964.Uniformly distributed load (maximum): 0.6 kN/m².Additional loads/ pressures: None.Deflection of grid between points of support (maximum): 0.0025 x span.

- Fire resistance: Not required.- Airborne sound insulation (complete floor and ceiling assembly):

Weighted sound reduction index, Rw (minimum), to BS EN ISO 717-1: Not applicable.Other requirements: -.

216 CEILING LINING SYSTEM FIRST FLOOR SOFFIT - OFFICE BLOCK• Lining board: Contractor's choice to achieve half-hour fire resistance.

- Finishing: Seamless jointing.Primer/ Sealer: Primer to painted areas.

- Accessories: Metal beads/ stops recommended by lining board manufacturer.• Support: lightweight steel framing system (including vertical studwork to support first floor

and roof (eg Metsec).Insulation: Type recommended by lining manufacturer to meet specified performance.- Recycled content: Submit proposals.- Thickness: as required to meet performance.

• Access units: Not required.• Integrated services fittings: None.• Other requirements: Fire stopping around service penetrations.• System performance:

- Airborne sound insulation (complete floor and ceiling assembly):Weighted sound reduction index, Rw (minimum), to BS EN ISO 717-1: 40 dB.Other requirements: -.




GENERAL/ PREPARATION

305 COMPLIANCE WITH PERFORMANCE REQUIREMENTS• Testing/ Assessment: Submit UKAS accredited laboratory reports for the following: Fire

resistance: Partitions (including deflection heads and doorsets) and suspended ceilings(including access units)..

• Materials, components and details: As used in testing/ assessment reports. If discrepancies arise, give notice.

325 PREPARATION OF MASONRY TO RECEIVE WALL LININGS• General: Suitable to receive lining system. Redundant fixtures and services removed.

Cutting, chasing and making good completed.• Holes, gaps, service penetrations, perimeter junctions and around openings: Seal.• Adhesive fixings: Prepare substrate to achieve effective bonding.

- Contaminants: Remove loose material, dirt, grease, oil, paper, etc.- Absorption: Control by dampening, priming or applying bonding agents as necessary.

335 ADDITIONAL SUPPORTS• Framing: Accurately position and securely fix to give full support to:

- Partition heads running parallel with, but offset from main structural supports.- Fixtures, fittings and service outlets. Mark framing positions clearly and accurately on

linings.- Board edges and lining perimeters, as recommended by board manufacturer to suit type

and performance of lining.

375 NEW WET LAID BASES• Dpcs: Install under full width of partitions/ freestanding wall linings.

- Material: Bituminous sheet or plastics.

395 CONTROL SAMPLES• General: Complete areas of finished work and obtain approval of appearance before

proceeding.• Type of dry lining: Raft ceiling.

- Location/ Size: Submit proposals.

COMPONENTS

401 GYPSUM PLASTERBOARD• Type: To BS EN 520, type A .• Core density (minimum): 650 kg/m³.• Recycled content: Contractors choice.• Exposed surface and edge profiles: Suitable to receive specified finish.

403 GYPSUM PLASTERBOARD (MOISTURE RESISTANT)• Type: To BS EN 520, type H1.• Core: Moisture resistant.

- Density (minimum): 710 kg/m³.• Paper facings: Moisture resistant.• Recycled content: Contractors choice.• Exposed surface and edge profiles: Suitable to receive specified finish.




408 GYPSUM PLASTERBOARD (IMPACT RESISTANT)• Type: To BS EN 520, type I.• Core density (minimum): 900 kg/m³.• Paper facings: Heavy duty.• Recycled content: Contractors choice.• Exposed surface and edge profiles: Suitable to receive specified finish.

411 WALLBOARD (IMPACT RESISTANT AND LOAD BEARING)• Core density (minimum): 1150 kg/m³.• Grade: severe.• Load bearing capacity:

50Kg: cavity fixing;30Kg: screw fixing without noggings.

• Recycled content: Contractors choice.• Exposed surface and edge profiles: Suitable to receive specified finish.

430 ACCESS PANELS LOCATIONS AS REQUIRED BY MEP CONTRACTOR • Type: fire protection as wall, to BS 476-22 .

- Sizes: as specified by MEP contractor for access to services .• Frame: Bead for taping and jointing .• Panel:

Office Block: Plasterboard infill Double height block: Metal; primed for site painting .• Lock: Tamper proof and operated by castellated key .

INSTALLATION

435 DRY LININGS GENERALLY• General: Use fixing, jointing, sealing and finishing materials, components and installation

methods recommended by board manufacturer.• Cutting plasterboards: Neatly and accurately without damaging core or tearing paper

facing.- Cut edges: Minimize and position at internal angles wherever possible. Mask with bound

edges of adjacent boards at external corners.• Fixings boards: Securely and firmly to suitably prepared and accurately levelled

backgrounds.• Finishing: Neatly to give flush, smooth, flat surfaces free from bowing and abrupt changes

of level.

445 CEILINGS• Sequence: Fix boards to ceilings before installing dry lined walls and partitions.• Orientation of boards: Fix with bound edges at right angles to supports and with ends

staggered in adjacent rows.• Two layer boarding: Stagger joints between layers.

455 METAL FRAMING FOR PARTITIONS/ WALL LININGS• Setting out: Accurately aligned and plumb.

- Frame/ Stud positions: Equal centres to suit specified linings, maintaining sequenceacross openings.

- Additional studs: To support vertical edges of boards.• Fixing centres at perimeters (maximum): 600 mm.• Openings: Form accurately.

- Doorsets: Use sleeved or boxed metal studs and/ or suitable timber framing to achievestrength grade requirements for framing assembly and adequately support weight of door.

- Services penetrations: Allow for associated fire stopping.




465 STAGGERED STUD PARTITIONS• Horizontal frame members (noggins, bearers, etc.) and boards: Fix between alternate

studs and not touching adjacent offset studs.

475 METAL FURRINGS FOR WALL LININGS• Setting out: Accurately aligned and plumb.

- Vertical furring positions: Equal vertical centres to suit specified linings, maintainingsequence across openings. Position adjacent to angles and openings.

- Additional vertical furrings: To support vertical edges of boards and at junctions withpartitions.

- Horizontal furring positions: To provide continuous support to edges of boards.• Adhesive bedding to furrings:

- Dabs: Length 200 mm (minimum). Located at ends of furrings and thereafter at 450 mm(maximum) centres.

- Junctions with partitions: Continuous bed with no gaps across cavity.

485 SUSPENDED CEILING GRIDS• Setting out: Accurately aligned and level.

- Grid members and hangers: Centres to suit specified linings and imposed loads.- Additional grid members: Provide bracing and stiffening at upstands, partition heads,

access hatches, etc.• Fixing: Securely at perimeters, grid joints, top and bottom hanger fixings.

505 INSTALLING MINERAL WOOL INSULATION• Fitting insulation: Closely butted joints and no gaps. Use fasteners to prevent slumping or

displacement.• Services:

- Electrical cables overlaid by insulation: Sized accordingly.- Ceilings: Cut insulation around electrical fittings, etc.

510 SEALING GAPS AND AIR PATHS• Location of sealant: To perimeter abutments and around openings.

- Pressurized shafts and ducts: At board-to-board and board-to-metal frame junctions.• Application: To clean, dry and dust free surfaces as a continuous bead with no gaps.

- Gaps greater than 6 mm between floor and underside of plasterboard: After sealing, fillwith jointing compound.

546 CAVITY FIRE BARRIERS IN ASSEMBLY / WORKSHOP BUILDING• Type: As recommended by board manufacturer to meet specified.• Fire resistance: as wall below.• Ceiling void subdivision: Fix barriers as drawings.• Fixing at perimeters and joints: Secure, stable and continuous with no gaps, to provide a

complete barrier to smoke and flame.• Service penetrations: Cut and pack to maintain barrier integrity. Sleeve flexible materials.

Adequately support services passing through barrier.• Ceiling systems for fire protection: Do not impair fire resisting performance of ceiling

system.

555 FIRE STOPPING AT PERIMETERS OF DRY LINING SYSTEMS• Material: Tightly packed mineral wool or intumescent mastic/ sealant.• Application: To perimeter abutments to provide a complete barrier to smoke and flame.




560 JOINTS BETWEEN BOARDS• Tapered edged plasterboards:

- Bound edges: Lightly butted.- Cut/ unbound edges: 3 mm gap.

• Square edged plasterboards: 3 mm gap.• Square edged fibre reinforced gypsum boards: 5 mm gap.

565 VERTICAL JOINTS• Joints: Centre on studs.

- Partitions: Stagger joints on opposite sides of studs.- Two layer boarding: Stagger joints between layers.

570 HORIZONTAL JOINTS• Surfaces exposed to view: Horizontal joints not permitted. Seek instructions where height

of partition/ lining exceeds maximum available length of board.• Two layer boarding: Stagger joints between layers by at least 600 mm.• Edges of boards: Support using additional framing.

- Two layer boarding: Support edges of outer layer.

590 FIXING PLASTERBOARD TO METAL FRAMING/ FURRINGS• Partitions/ Wall linings: Fix securely and firmly at the following centres (maximum):

- Single layer boarding: To all framing at 300 mm centres. Reduce to 200 mm centres atexternal angles.

- Multi-layer boarding: Face layer at 300 mm centres, and previous layers aroundperimeters at 300 mm centres.

• Ceilings: 230 mm. Reduce to 150 mm at board ends and at lining perimeters.• Position of screws from edges of boards (minimum): 10 mm.

- Screw heads: Set in a depression. Do not break paper or gypsum core.

592 FIXING INSULATION BACKED PLASTERBOARD TO METAL FURRINGS• Fixing to furrings: In addition to screw fixings apply continuous beads of adhesive sealant

to furrings.

595 DEFLECTION HEADS• Fixing boards: Do not fix to head channels.

FINISHING

650 LEVEL OF DRY LINING ACROSS JOINTS• Sudden irregularities: Not permitted.• Joint deviations: Measure from faces of adjacent boards using methods and straightedges

(450 mm long with feet/ pads) to BS 8212, clause 3.3.5.- Tapered edge joints:

Permissible deviation (maximum) across joints when measured with feet resting onboards: 3 mm.

- External angles:Permissible deviation (maximum) for both faces: 4 mm.

- Internal angles:Permissible deviation (maximum) for both faces: 5 mm.




670 SEAMLESS JOINTING TO PLASTERBOARDS• Cut edges of boards: Lightly sand to remove paper burrs.• Filling and taping: Fill joints, gaps and internal angles with jointing compound and cover

with continuous lengths of paper tape, fully bedded. • Protection of edges/ corners: Reinforce external angles, stop ends, etc. with specified

edge/ angle bead.• Finishing: Apply jointing compound. Feather out each application beyond previous

application to give a flush, smooth, seamless surface.• Nail/ screw depressions: Fill with jointing compound to give a flush surface.• Minor imperfections: Remove by light sanding.

692 RIGID BEADS/STOPS• Internal: To BS EN 13658-1.• External: To BS EN 13658-2.

695 INSTALLING BEADS/ STOPS• Cutting: Neatly using mitres at return angles.• Fixing: Securely using longest possible lengths, plumb, square and true to line and level,

ensuring full contact of wings with substrate.• Finishing: After joint compounds/ plasters have been applied, remove surplus material

while still wet from surfaces of beads exposed to view.

725 REPAIRS TO EXISTING PLASTERBOARD• Filling small areas with broken cores: Cut away paper facing, remove loose core material

and fill with jointing compound.- Finish: Flush, smooth surface suitable for redecoration.

• Large patch repairs: Cut out damaged area and form neat hole with rectangular sides.Replace with matching plasterboard.- Fixing: Use methods to suit type of dry lining, ensuring full support to all edges of

existing and new plasterboard.- Finishing: Fill joints, tape and apply jointing compound to give a flush, smooth surface

suitable for redecoration.




K11Rigid sheet flooring/ sheathing/ decking/ sarking/

linings/ casings

No.


Purpose



K11 Rigid sheet flooring/ sheathing/ decking/ sarking/ linings/ casings




TYPES OF FLOORING/ SHEATHING/ DECKING/ SARKING/ LINING/ CASINGS

110 WOOD-BASED SHEETS GENERALLY• Standard: To BS EN 13986.

- Evidence of compliance: Submit.

295 FLOATING FLOOR SYSTEM OFFICE BLOCK FIRST FLOOR• Substrate: Plywood deck on steel joists.• Manufacturer: Contractor's choice to achieve performance criteria.

- Product reference: Contractor's choice.• Accessories/ Other requirements:

- Floating floor to minimise impact sound transmission to Ground Floor and adjacentoffices and comply with Building Regulations Part E.- NB floor to be laid between plasterboard stud partitions.- Clear expansion gap around perimeter of floor area and upstands.- Airborne sound insulation (complete floor and ceiling assembly):

Weighted sound reduction index, Rw (minimum), to BS EN ISO 717-1: 40 dB .

WORKMANSHIP

910 INSTALLATION GENERALLY• Timing: Building to be weathertight before fixing boards internally.• Moisture content of timber supports (maximum): 18%.• Joints between boards: Accurately aligned, of constant width and parallel to perimeter

edges.• Methods of fixing, and fasteners: As section Z20 where not specified otherwise.

925 BATTENS FOR FLOATING FLOORS• Timber quality: Free from decay, insect attack (except ambrosia beetle damage) and with

no knots wider than half the width of the section.• Preservative treatment: As section Z12 and Wood Protection Association Commodity

Specification C8.- Type/ Desired service life: submit proposal.

• Moisture content at time of laying (maximum): 16%.

930 ADDITIONAL SUPPORTS• Additional studs, noggings/ dwangs (Scot) and battens:

- Provision: In accordance with board manufacturer's recommendations and as follows:Tongue and groove jointed rigid board areas: To all unsupported perimeter edges.Butt jointed rigid board areas: To all unsupported edges.

- Size: Not less than 50 mm wide and of adequate thickness.- Quality of timber: As for adjacent timber supports.- Treatment (where required): As for adjacent timber supports.

940 BOARD MOISTURE CONTENT AND CONDITIONING• Moisture content of boards at time of fixing: Appropriate to end use.• Conditioning regime: Submit proposals.




950 MOISTURE CONTENT TESTING• Test regime and equipment: Submit proposals.• Test results: Submit record of tests and results.

960 FIXING GENERALLY• Boards/ sheets: Fixed securely to each support without distortion and true to line and level.• Fasteners: Evenly spaced in straight lines and, unless otherwise recommended by board

manufacturer, in pairs across joints.- Distance from edge of board/ sheet: Sufficient to prevent damage.

• Surplus adhesive: Removed as the work proceeds.

975 METAL WALL FRAMING• Setting out: Framing accurately aligned, vertical and securely fixed to surrounding structure

at maximum 600 mm centres. All board edges supported.

976 MINERAL WOOL INSULATION TO METAL FRAMING• Installation: Neat and secure with close butted joints and no gaps. Where insulation is not

self supporting, fixed at head of frame using clips or other suitable proprietary fixings.

980 OPEN JOINTS• Perimeter joints, expansion joints and joints between boards: Free from plaster, mortar

droppings and other debris.• Temporary wedges and packings: Removed on completion of board fixing.

990 ACCESS PANELS• Size and position: Agree before boards are fixed.• Additional noggings/ dwangs (Scot), battens, etc: Provide and fix as necessary.




K30Panel partitions

No.


Purpose



K30 Panel partitions Tender Page 66 of 189

K30 Panel partitions




TYPES OF PARTITION

130 RELOCATABLE PARTITION SYSTEM ASSEMBLY / WORKSHOP BUILDING / GROUNDFLOOR ENTRANCE / MEETING AREA

• Manufacturer:OptimaCourtyard HouseWest End RoadHigh WycombeBucks HP11 2QB(01494) 492600www.optimasystems.comor equivalent to the approval of the Employer's Representative.- Product reference: Optima 217 glazed partition system, including doors and

ironmongery.Types of screens are as follows:1. Full height (head @ +2.7m):Project Area Entrance Lobby.Main Entrance Meeting Rooms, double glazed with integral metal horizontal adjustableblinds.2. Cill @ +0.9m, head @ +2.7m:Prototyping Area.Project Area Meeting RoomProject Area Admin Office, double glazed with integral metal horizontal adjustable blinds.

• Strength grade to BS 5234-2: Heavy (HD).• Fire resistance of complete system to BS 476-22 (Integrity/ Insulation): Refer to Architect's

Fire Plan drawings.• Fire rating for panels: Refer to Architect's Fire Plan drawings.• Sound insulation to BS EN ISO 10140-2 (minimum): Refer to Architect's Acoustic drawings.• Accessible design: In accordance with Approved Document M (E&W).• Partition height: 2700 mm nominal.• Partition abutments:

- Head: Plasterboard partition.Deflection allowance: Refer to Structural Engineer's details and specification.

- Floor: Concrete slab.- Wall/ Vertical structure: lPasterboard partition.

• Framing: Aluminium, powder coated.• Junctions/ Corners: N/a.• Skirtings/ Sills: Aluminium.• Trims: Square-edge aluminium cover trim.• Solid panels: Square edge plasterboard fixed onto vertical studs; aluminium cover trim.

- Finish/ Colour: As Colour Schedule.- Joint treatment: Tape and fill.

• Glazed panels: Full height glazed.- Glass types: To achieve the specified acoustic peformance.- Manifestation: As required by DDA regulation.- Blinds: In locations indicated on Architect's drawings: Venetian with perforated blades -

control integrated within frame, colour: Silver.• Doorsets: Aluminium, as frame.

- Door frames: Aluminium, powder coated as framing.- Doors: Solid core, laminate facings and concealed lippings as L20.- Seals: Acoustic.- Vision panels: Not required.- Other apertures: None.- Ironmongery: As section P21.

• Cable management/ outlets: Allow for fitting acces control locks by others.



• Accessories: None.• Other requirements: None.

GENERALLY

310 COMPLIANCE WITH PERFORMANCE REQUIREMENTS• UKAS accredited laboratory test/ assessment reports: Submit for the following: Sound

insulation.• Materials, components and details: In accordance with test/ assessment reports. Give

notice if discrepancies arise.

320 SAMPLES• Representative samples: Before placing orders, submit the following: Frame section,

coated.• Delivered materials/ products: To match samples.

340 ENVIRONMENTAL CONDITIONS• General: Before, during and after installation, maintain temperature and humidity levels

similar to those that will prevail after building is occupied.

375 NEW WET LAID BASES• Dpcs: Install under full width of partitions.

- Material: Bituminous sheet or plastics.

380 COORDINATION WITH OTHERS• Fire/ Sound barriers within floor and ceiling voids: Align accurately with partitions.• Service runs and outlets: Check designated routes. Do not obstruct outlets and access

panels.

INSTALLATION

410 WORKMANSHIP GENERALLY• Setting out: Plumb, true to line and level, and free from bowing, undulations and other

planar distortions.• Joints: Align accurately with no lipping.• Stability: Fix securely, with additional supports where necessary at perimeters.• Moisture and thermal movement of framing/ panels: Make adequate allowance.

425 INSTALLING RELOCATABLE PARTITIONS• Site dimensions: Check before installation. Give notice of discrepancies.• Perimeter abutments: Accommodate deviations whilst maintaining partition system

performance. Form make up/ closer pieces accurately around projections and features.• Customization: Do not cut or otherwise alter framing/ panels on site, except where shown

on drawings.• Intermediate joints in exposed frame members and trims: Keep to a minimum.• Electrical continuity and earth bonding: To BS 7671 (The IEE Wiring Regulations).



435 INSTALLING PLASTERBOARD PANEL PARTITIONS• Timber or metal framing inserts: Size to give a firm press fit into the panel cavity. Use for:

- Panel joints.- Floor, wall and ceiling perimeters.- Support for fixtures and fittings: Mark positions of inserts on panel surface.- Lining of openings.

• Perimeter fixing:- Preparation: Fix continuous timber sole plate to floor at 600 mm centres.- Floor, wall and ceiling: Fix framing inserts to substrates at 600 mm centres. Locate

panels into framing inserts and fix at 300mm centres with screws or 230 mm centres withnails.

436 ADDITIONAL LININGS TO PLASTERBOARD PANEL PARTITIONS• General: Bond additional linings to partitions with 60 mm wide x 5 mm thick continuous

bands of adhesive at 300 mm centres, and centred on joints. Stagger joints between layersby minimum 150 mm.

445 INSTALLING PLASTERBOARD LAMINATED PARTITIONS• Timber battens: Size to suit plasterboard core layer. Use for:

- Floor, wall and ceiling perimeters.- Lining of openings.- Corners and angle junctions.

• Perimeter fixing:- Floor, wall and ceiling: Fix timber battens to substrates at 600 mm centres.

• Plasterboard layers:- Bonding together: Apply adhesive in 60 mm wide x 5 mm thick continuous bands at 300

mm centres, and centred on joints. Stagger joints between layers by minimum 150 mm.- Nailing: Fix first and third layers to timber battens at 300 mm centres.- Additional mechanical fixings: Provide in accordance with partition manufacturer's

recommendations to achieve specified fire resistance.• Complete partitions: Protect against movement for minimum four hours.

455 TAPED SEAMLESS FINISH TO PLASTERBOARD PARTITIONS• Cut edges of boards: Lightly sand to remove paper burrs.• Filling and taping: Fill joints, gaps and internal angles with jointing compound and cover

with continuous lengths of paper tape, fully bedded. • Protection of edges/ corners: Reinforce stop ends, external angles, etc. with edge/ angle

bead or tape.• Finishing: Apply jointing compound. Feather out each application beyond previous

application to give a flush, seamless surface.• Nail/ screw depressions: Fill with jointing compound to give a flush surface.• Minor imperfections: Remove by lightly sanding.

470 PERIMETER SEALS• Sealant material: A type recommended by partition/ panel manufacturer.• Application: Continuously, to clean, dry, dust-free surfaces, leaving no gaps. In accordance

with the sealant manufacturer's instructions.

475 FIRE STOPPING• General: Seal gaps at junctions of partitions with perimeter abutments, cavity barriers,

service penetrations etc, to prevent penetration of smoke and flame.• Materials: Non combustible or intumescent.



480 GLAZING FOR RELOCATABLE PARTITIONS• Glass standards: To BS 952 and relevant parts of:

- BS EN 572 for basic soda lime silicate glass.- BS EN 1096 for coated glass.- BS EN 1748-1-1 for borosilicate glass.- BS EN 1863 for heat strengthened glass.- BS EN 12150 for thermally toughened glass.- BS EN ISO 12543 for laminated glass.

• Pane size: Within ±2 mm of nominal size.• Pane condition: Clean and free from obvious scratches, bubbles, rippling, dimples and

other defects.• Glazing standard: To relevant parts of BS 6262.• Preglazed panes: To be capable of being reglazed in situ.

490 IRONMONGERY FOR RELOCATABLE PARTITIONS• Frames and doors: Prepare accurately to accept ironmongery and associated fixings.• Ironmongery installation: Accurate and without damage to components or surrounding

surfaces.- Fasteners: Supplied by partition/ ironmongery manufacturer. Finish to match component.

• Completion: Check, adjust and lubricate as necessary for correct operation.

495 POST INSTALLATION REQUIREMENTS FOR RELOCATABLE PARTITIONS• General: Inspect and adjust for correct fit and operation.• Documentation: Submit for each partition type, including:

- Partition type and construction.- Manufacturer's identity.- Sound and fire rating.- Surface finishes and Light Reflectance Values (as manufactured).- Requirements for fixtures and fittings.- Test data and fire certificates.- Special requirements.- Dismantling and reassembly procedures.- Maintenance: Replacement of panels, access to services, cleaning, etc.

• Spares: Provide and hand over to the Employer, as follows: -.



K32Panel cubicles/ duct and wall linings/ screens

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 151 added (IPS panelling) / Tender 2nd Dec 2013


K32 Panel cubicles/ duct and walllinings/ screens


K32 Panel cubicles/ duct and wall linings/ screens


121 PANEL CUBICLES WC'S• Complete cubicle comprising dividing walls, front pilasters and door, and rear accessible

panels as Clause 151 including support frame for fittings.Manufacturer:Armitage Venesta or eq approved.Chartwell CourtWest MillImperial Business ParkGravesendKent DA11 0DLTel: +44 (0) 1474 353333www.armitage-venesta.co.uk.- Product reference: Centurion Resista or eq approved.

• Panels:- Height (overall): 2.7m.- Floor clearance: 0.1m.- Core material: Heavy duty moisture resistant solid grade laminate.

Thickness: Manufacturer's standard.- Facings: Manufacturer's standard.

Colour/ Pattern/ Species: Refer to Architect's Colour Schedule.- Edge treatment: Manufacturer's standard.- Wall support: Manufacturer's standard.

• Pilasters:- As panels.

• Doors:- Height: Full height.- Core material / thickness/ thickness / facings etc: as panels.- Ironmongery: Manufacturer's standard.

Colour: refer to Colour Schedule.• Fittings:

- Headrails: Manufacturer's standard.- Pedestals/ Shoes: Manufacturer's standard.

• Accessories: Coat hook and Toilet roll holder / Ergonomic slide operatedindicator bolt / Integral door buffer and emergency release facility.

• Other requirements:DDA compliant cubicle with outward opening door and handrail: one per wc.




151 DUCT/ WALL LININGS – PANELS AND PROPRIETARY FRAMES IPS PANELLING / WC's

• Manufacturer: As Clause 121.- Product reference: As Clause 121.

• Panels: Rear walls only to wc's and accessible wc.- Type: Precut for wc's / cistern access and support to fittings generally, and for fittings in

accessible wc; full height.- Width (coordinating): Manufacturer's standard.- Core material: Solid grade laminate.- Thickness: Manufacturer's standard.- Colour/ Pattern: As Clause 121.- Edge treatment: Manufacturer's standard.- Reaction to fire (minimum classification, finished panel): Manufacturer's standard.

• Fasteners: Manufacturer's standard.• Framing/ Support:

- Duct panels: Contractor's proposal.- Wall panels: Contractor's proposal.

• Flashgap panels: Manufacturer's standard.

210 SAMPLES• General: Before placing orders submit representative samples of the following: Panel and

door material and colours.• Delivered materials/ products: To match samples.

250 INSTALLATION• Programming: Do not install cubicles or duct/ wall panels before building is weathertight,

wet trades have finished their work, wall and floor finishes are complete, and the building is well dried out.

• Accuracy: Set out to ensure frames and/ or panels and doors are plumb, level andaccurately aligned.

• Modifications: Do not cut, plane or sand prefinished components except where shown ondrawings.

• Fixing: Secure components using methods and fasteners recommended by the cubicle/ panel manufacturer. Prevent pulling away, bowing or other distortions to frames, panelsand doors.

• Moisture and thermal movement: Make adequate allowance for future movement.




K40Demountable suspended ceilings

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clauses 105 & 106, 220, 251, 265, 340 (Exposed ceiling

system) / Tender21st Nov 2013


K40 Demountable suspendedceilings


K40 Demountable suspended ceilings


TYPES OF CEILING SYSTEM

105 SUSPENDED CEILING SYSTEM GENERAL OFFICE AREAS, INCLUDING CORRIDOR &MEETING ROOMS AND PROJECT, PROTOTYPE AND TENANT AREAS.Refer to Architect's Reflected Ceiling plans.

• Standard: To BS EN 13964.• Ceiling:

- Type: Lay-in accessible perforated metal panel suspended ceiling system.- Module: 600 x 600 and 300 x 300mm.- Soffit height above finished floor level: (nominal)

Offices: 2.7mAssembly Building / Workshop Building: 4.0mHeights are nominal: existing floor level varies; level AOD to be defined.

• Grid:- Form: To suit sysem.- Exposure: Exposed, 15mm wide, 11mm drop.

• Access: Infill units fully demountable.• Suspension system: Required, to suit system.• Perimeter trim: The ceiling is to be installed as a raft ceiling with aluminium edge trim as

Architect's detail.• Accessories: Light fittings, air supply grilles etc: refer to MEP drawings.• Integrated services fittings: Refer to MEP drawings.• Other requirements: Support:

First floor: steel liner tray forming the underside of the curved standing seam roof system.Ground floor: lined steel frame.

106 SUSPENDED CEILING SYSTEM ENTRANCE FOYER.Refer to Architect's Reflected Ceiling plans.

• Standard: To BS EN 13964.• Ceiling:

- Type: Lay-in accessible perforated metal panel suspended ceiling system.- Module: 600 x 600 and 300 x 300mm.- Soffit height above finished floor level: 2.7m nominal.

• Grid:- Form: To suit sysem.- Exposure: Exposed, 15mm wide, 11mm drop.

• Access: Infill units fully demountable.• Suspension system: Required, to suit system.• Perimeter trim: Aluminium shadow gap profile to perimeter plasterboard suspended ceiling.

Refer to Architect's drawings.• Accessories: Light fittings, air supply grilles etc: refer to MEP drawings.• Integrated services fittings: Refer to MEP drawings.

Other requirements:The ceiling is to be installed as a raft ceiling with aluminium edge trim as Architect's detail.Support:First floor: steel liner tray forming the underside of the curved standing seam roof system.Ground floor: composite concrete slab (eg Comflor).




GENERAL/ PERFORMANCE

210 ENVIRONMENT• Environmental classification to BS EN 13964: Class A.

220 STRUCTURAL PERFORMANCE SUSPENDED CEILING• Loads: The ceiling system must safely support all anticipated loads, including services

fittings:- Class: 1.- Additional loads/ pressures to be sustained by ceiling system: None.

Ceiling system subject to wind pressure: No.• Deflection (maximum) between points of support:

- Span under 1200 mm: Span/400.- Span 1200-1800 mm: Span/500.- Span over 1800 mm: Span/600.

• Test standard: To BS EN 13964.

225 FIRE PERFORMANCE : SUSPENDED CEILING• Completed ceiling system: Not intended for fire protection.• Surface spread of flame ratings:

- Ceiling soffit surfaces: To Building Regulations, Class 0.- Ceiling void surfaces: To Building Regulations Class 0.

• Fire resistance:- Overall fire resistance: N/a.- Ceiling resistance: N/a.- Other protection: None.

• Test reports or assessments: Include details of performance related to the particular elements of construction.- Ceilings with integrated luminaires: Test/ assess with luminaires in place.

230 ACOUSTIC PERFORMANCE : SUSPENDED CEILING• Airborne sound insulation:

- Weighted suspended ceiling normalized level difference, Dn,c,w (minimum) to BS ENISO 717-1: N/a .

- Weighted sound reduction index, Rw (minimum) to BS EN ISO 717-1: N/a .- Weighted standardized level difference, DnT,w (minimum) to BS EN ISO 717-1: N/a .

• Sound absorption:- Sound absorption coefficient, alpha S, (minimum) to BS EN ISO 354: Class A .

COMPONENTS

240 SAMPLES• General: Submit representative samples of the following: Ceiling tile with edge trim .

245 STANDARDS• Components: To BS EN 10346.

- Aluminium sheet, strip and plate: To BS EN 485.- Aluminium bars, tubes and sections: To relevant parts of BS EN 515, BS EN 573, BS EN

755 and BS EN 12020.




251 SUSPENSION SYSTEM ALL METAL SUSPENDED CEILINGS• Manufacturer: As ceiling system.

- Product reference: As ceiling system.• Extent of system: Include all hangers, fixings, main runners, cross members, primary

channels, perimeter trims, splines, noggings, clips, bracing, bridging, etc. necessary tocomplete the ceiling system and achieve specified performance.

• Contractor is to note depth of suspension in double height spaces, and to include suitablebracing. The suspension system is partially visible and the contractor is to submitproposals.

260 PERIMETER TRIMS SUSPENDED CEILING• Type: 15mm shadow gap to Entrance Foyer; Formed aluminium edge trim to raft ceilings;

refer to Architect's drawing..• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Fixings:

- Fasteners: As recommended by manufacturer.- Fixing centres (maximum): -.

265 INFILL UNITS ALL METAL SUSPENDED CEILINGS• Type: Metal perforated tile.• Manufacturer: As ceiling system.

- Product reference: As ceiling system.- Form: Pressed units.- Sizes: 600x600mm; 300x600mm.- Finish: Powder coating to Z31 to all surfaces of panel, 60 micrometres minimum film

thickness .- Colour: RAL 9010.

• Recycled content: Submit proposals.

EXECUTION

302 CONTROL SAMPLES• General: Complete areas as part of the finished work in the following locations: Raft ceiling

in first floo office..• Approval: Obtain before completing areas of similar work.

305 SETTING OUT• General: Completed ceiling should present, over the whole of its surface exposed to the

room below, a continuous and even surface, jointed (where applicable) at regular intervals.• Infill and access units, integrated services: Fitted correctly and aligned.• Edge/ perimeter infill units size (minimum): Half standard width or length.• Corner infill units size (minimum): Half standard width and length.• Grid: Position to suit infill unit sizes. Allow for permitted deviations from nominal sizes of

infill unit.• Infill joints and exposed suspension members: Straight, aligned and parallel to walls,

unless specified otherwise.• Suitability of construction: Give notice where building elements and features to which the

ceiling systems relate are not square, straight or level.

310 BRACING• General: Secure, with additional bracing and stiffening to give a stable ceiling system

resistant to design loads and pressures.




315 PROTECTION• Loading: Do not apply loads for which the suspension system is not designed.• Ceiling materials: When necessary, remove and replace correctly using special tools and

clean gloves, etc. as appropriate.

320 TOP FIXING• Building structure: Verify suitability.• Structural soffit: varies.

- Suitability to receive specified fixings: Evaluate and confirm.• Fixing generally: In accordance with BS EN 13964.• Fixing to:

- Concrete: Drill and insert suitable expanding anchors.- Aerated concrete: Fix through from the top of concrete units and provide a system of

primary support channels.- Structural steel: Drill, or use suitable proprietary clips/ adaptors.- Metal roof decking: Fix to sides of liner tray corrugations.- Timber: Fix to side of joists at least 50 mm from bottom edge. If ceiling system is

intended for fire protection, fix into top third of joists.- Hollow structural members: Submit fixing proposals.

325 INSTALLING HANGERS• Wire hangers: Straighten and tension before use.• Installation: Install vertical or near vertical, without bends or kinks. Do not allow hangers to

press against fittings, services, or insulation covering ducts/ pipes.• Obstructions: Where obstructions prevent vertical installation, either brace diagonal

hangers against lateral movement, or hang ceiling system on an appropriate rigid sub-gridbridging across obstructions and supported to prevent lateral movement.

• Extra hangers: Provide as necessary to carry additional loads.• Fixing:

- Wire hangers: Tie securely at top with tight bends to loops to prevent vertical movement.- Angle/ strap hangers: Do not use rivets for top fixing.

• Spacings: As recommended by manufacturer.

335 INSTALLING PERIMETER TRIMS• Jointing: Neat and accurate, without lipping or twisting.

- External and internal corners: Mitre joints generally. Overlap joints at internal corners arenot acceptable.- Intermediate butt joints: Minimize. Use longest available lengths of trim. Align adjacent

lengths.• Fixing: Fix firmly to perimeter wall, edge battens or other building structure.

- Fasteners: As recommended by manufacturer.- Fixing centres: As recommended by manufacturer.




340 EXPOSED GRIDS• Grid fixings: Contractor's choice.• Main runners: Install level. Do not kink or bend hangers.

- Spliced joints: Stagger.- Wire hangers passing through main runners: Use sharp bends and tightly wrapped

loops.- Angle/ strap hangers: Do not use rivets for bottom fixing.- Angular displacement of long axis of one runner in relation to next runner in line with it:

Not visually apparent.• Cross members supported by main runners or other cross members: Install perpendicular

to intersecting runners.• Cross tees: Flat and coplanar with flanges of main runners after panel insertion.

- Cross tees over 600 mm long, cut and resting on perimeter trim: Provide an additionalhanger.

• Holding down clips: Locate to manufacturer's recommendations.- Fire protecting/ resisting ceiling systems: Use clip type featured in the fire test/

assessment.

355 INSTALLING INFILL UNITS• General:

- Perimeter infill units: Trimmed, as necessary, to fully fill space between last grid member and perimeter trim. Prevent subsequent movement.

- Deeply textured infill units: Minimize variations in apparent texture and colour. Inparticular, avoid patchiness.

• Concealed grids: Install infill units uniformly, straight and aligned. Avoid dimension creep.- Infill units around recessed luminaires and similar openings: Prevent movement and

displacement.

365 INSTALLING METAL INFILL UNITS• Sound absorbing pads: Fit to prevent upward air movement through infill units. Cut or fold

pads in cut perimeter infill units to full unit size. Reseal cut pads.• Perimeter infill units: Firmly wedge cut units into perimeter trim, or clip down.

385 UPSTANDS AND BULKHEADS• Vertical ceiling systems: Support and brace to provide alignment and stability.• High upstands: Provide support at base of upstand.

390 OPENINGS IN CEILING MATERIALS• General: Neat and accurate. To suit sizes and edge details of fittings. Do not distort ceiling

system.

395 INTEGRATED SERVICES• General: Position services accurately, support adequately. Align and level in relation to the

ceiling and suspension system. Do not diminish performance of ceiling system.• Small fittings: Support with rigid backing boards or other suitable means. Do not damage or

distort the ceiling.- Surface spread of flame rating of additional supporting material: Not less than ceiling

material.• Services outlets:

- Supported by ceiling system: Provide additional hangers.- Independently supported: Provide flanges to support ceiling system.




401 CEILING MOUNTED LUMINAIRES• Support: As recommended by manufacturer.

- Independently supported luminaires: Suspension adjusted to line and level of ceiling.- Ceiling supported luminaires: Modifications and/ or extra support required: To each

luminaire.• Surface mounted luminaires: Units installed so that in event of a fire the designed grid

expansion provision is not affected.• Modular fluorescent recessed luminaires: Compatible with ceiling module. Extension boxes

must not foul ceiling system.• Recessed rows of luminaires: Provide flanges for support of grid and infill units, unless

mounted above grid flanges. Retain in position with lateral restraint.• Fire protecting/ resisting ceiling systems: Luminaires must not diminish protection integrity

of ceiling system.• Access: Provide access for maintenance of luminaires.

406 TRUNKING• Recessed trunking: Provide flanges for support of grid and infill units, unless mounted

above grid flanges. Retain in position with lateral restraint.

411 MECHANICAL SERVICES• Fan coil units:

- Inlet/ Outlet grilles: Trim ceiling grid and infill units to suit.- Space beneath: Sufficient for ceiling system components.- Suspension and connections: Permit accurate setting out and levelling of fan coil units.

• Air grilles and diffusers:- Setting out: Accurate and level.- Linear air diffusers: Retain in place with lateral restraint. Provide flanges for support of

grid and infill units.- Grille/ Diffuser ceiling joints: Provide smudge rings and edge seals.

• Smoke detectors and PA speakers:- Ceiling infill units: Scribe and trim to suit.- Independent suspension: Not required.- Flexible connections: Required.

• Sprinkler heads: Carefully set out and level.

415 INSTALLING INSULATION• Fitting: Fit accurately and firmly with butted joints and no gaps.• Insulation within individual infill units: Fit closely. Secure to prevent displacement when infill

units are installed or subsequently lifted.- Dustproof sleeving: Reseal, if cut.

• Width: Lay insulation in the widest practical widths to suit grid member spacings.• Services: Do not cover electrical cables that have not been sized accordingly. Cut

insulation carefully around electrical fittings, etc. Do not lay insulation over luminaires.• Sloping and vertical areas of ceiling system: Fasten insulation, to prevent displacement.




500 ELECTRICAL CONTINUITY AND EARTH BONDING• Substantial conductive parts of the ceiling system: Electrically continuous and fully earth

bonded to carry prospective earth fault currents.- Standard: To BS 7671.

• Sequence: Complete earth bonding as soon as possible after completion of eachindependent area of suspension system.

• Testing: After completion of the ceiling system, associated services and fittings, testconductive parts of suspension system required to carry earth fault current, or used asbonding connections. Give notice before testing.- Electrical continuity: Measure from various distant conductive points of ceiling system

and to earth bar in distribution board serving the area.- Test current: Sufficient to indicate probable electrical performance under fault conditions.- Test instrument: Type providing a pulse of about 25 A at safe voltage for safe duration,

and indicating resistance in ranges 0-2 ohms and 0-20 ohms.- Resistance of measuring conductors: Deduce from test instrument readings.- Test readings: Record and certify. Add results to resistance of other parts of the path

forming the earth fault loop.

COMPLETION

520 USER INSTRUCTIONS• Contents: Include the following:

- Correct methods for removing and replacing infill units and other components.- Cleaning methods and materials.- Recommendations for redecoration.- Ceiling systems intended for fire protection: Limitations placed on subsequent alterations

and maintenance procedures, to ensure that their fire performance is not impaired.- Maximum number, position and value of point loads that can be applied to ceiling system

after installation.

530 SPARES• General: At Completion supply the following: Twelve tiles at each size.




L10Windows/ Rooflights/ Screens/ Louvres

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 336 (Trickle vent) / Tender 21st Nov 2013


L10 Windows/ Rooflights/ Screens/ Louvres




GENERAL

110 EVIDENCE OF PERFORMANCE• Certification: Provide independently certified evidence that all incorporated components

comply with specified performance requirements.

115 TIMBER PROCUREMENT• Timber (including timber for wood based products): Obtained from well managed forests

and/ or plantations in accordance with:- The laws governing forest management in the producer country or countries.- International agreements such as the Convention on International Trade in Endangered

Species of wild fauna and flora (CITES).• Documentation: Provide either:

- Documentary evidence (which has been or can be independently verified) regarding theprovenance of all timber supplied.

- Evidence that suppliers have adopted and are implementing a formal environmentalpurchasing policy for timber and wood based products.

120 SITE DIMENSIONS• Procedure: Before starting work on designated items take site dimensions, record on shop

drawings and use to ensure accurate fabrication.• Designated items: Existing roof (Sunpipes / airscoops.

PRODUCTS

336 ALUMINIUM WINDOWSStandard: To BS 4873.

• Exposure category to BS 6375-1/ Design wind load: Calculate according to BS EN 1991 Pt1-4.

• Thermal improvement: Required.• Finish as delivered: Polyester powder coating to BS 6496.

Colour: refer to Architect's Colour Schedule.• Glazing details: Insulating glass units to achieve overall window U value 1.8W/m²K.

- Beading: Internal.• Ironmongery/ Accessories:

NB Top hung opening lights (remote manual operation).Locking handle.Trickle vent.

• Fixing:Incorporated in longspan composite panel cladding (H43) and rainscreen cladding (H92).Refer to Architect's drawings.




496 DAYLIGHT PIPE ASSEMBLY / WORKSHOP BUILDING• Manufacturer:

Monodraught LtdHalifax HouseCressex Business ParkHigh WycombeBucks HP12 3SEUnited Kingdom.- Product reference: Sunpipe 1000 or eq approved.

• Components: -.- Pipe: Aluminium, silvered internally.

Diameter: 1000 mm.Length: See drawings.

- Bends: None.- Roof terminal: Polycarbonate dome (UV protected).- Ceiling terminal: Double glazed diffuser.

• Accessories: Roof flashing to suit Kalzip standing seam roof (H31).• Fixing: In accordance with manufacturer's instructions.

EXECUTION

710 PROTECTION OF COMPONENTS• General: Do not deliver to site components that cannot be installed immediately or placed

in clean, dry floored and covered storage.• Stored components: Stack vertical or near vertical on level bearers, separated with spacers

to prevent damage by and to projecting ironmongery, beads, etc.

730 PRIMING/ SEALING• Wood surfaces inaccessible after installation: Prime or seal as specified before fixing

components.

740 CORROSION PROTECTION• Surfaces to be protected: exposed surfaces.• Protective coating: Two coats of bitumen solution to BS 6949 or an approved mastic

impregnated tape.- Timing of application: Before fixing components.

750 BUILDING IN• General: Not permitted unless indicated on drawings.

- Brace and protect components to prevent distortion and damage during construction of adjacent structure.

765 WINDOW INSTALLATION GENERALLY• Installation: Into prepared openings.• Gap between frame edge and surrounding construction:

- Minimum: 3mm.- Maximum: 8mm.

• Distortion: Install windows without twist or diagonal racking.

766 LOCATION OF OPENABLE WINDOWS IN NATURALLY VENTILATED BUILDINGS• Location: Over 10 m from sources of external pollution.

770 DAMP PROOF COURSES IN PREPARED OPENINGS• Location: Ensure correct positioning in relation to window frames. Do not displace during

fixing operations.




782 FIXING OF ALUMINIUM FRAMES• Standard: As section Z20.• Fasteners: Stainless steel wood screws.

- Spacing: When not predrilled or specified otherwise, position fasteners not more than250 mm from ends of each jamb, adjacent to each hanging point of opening lights, andat maximum 600 mm centres.

790 FIRE RESISTING FRAMES• Gap between back of frame and reveal: Completely fill with intumescent mastic or tape.

800 BACKFILLING OF STEEL FRAME SECTIONS• Windows fixed direct into openings: After fixing, fill back of steel frame with waterproof

cement fillet.

810 SEALANT JOINTS• Sealant:


- Colour: To match surround.- Application: As section Z22 to prepared joints. Finish triangular fillets to a flat or slightly

convex profile.

820 IRONMONGERY• Fixing: Assemble and fix carefully and accurately using fasteners with matching finish

supplied by ironmongery manufacturer. Do not damage ironmongery and adjacentsurfaces.

• Checking/ Adjusting/ Lubricating: Carry out at Completion and ensure correct functioning.




L20Doors/ shutters/ hatches

Revision 3.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clauses 615 / 616 (powered doors) / Tender 21st Nov 20133.0 Clause 462 added (Assembly Bldg Entrance) / External door

heights added / Clause 484 added (NE Elevation) / Tender2nd Dec 2013


L20 Doors/ shutters/ hatches Tender Page 87 of 189

L20 Doors/ shutters/ hatches


GENERAL

110 EVIDENCE OF PERFORMANCE• Certification: Provide independently certified evidence that all incorporated components

comply with specified performance requirements.

113 TIMBER PROCUREMENT• Timber (including timber for wood-based products): Obtained from well-managed forests




- Evidence that suppliers have adopted and are implementing a formal environmentalpurchasing policy for timber and wood-based products.

115 FIRE RESISTING DOORS/ DOORSETS/ ASSEMBLIES• Evidence of fire performance: Provide certified evidence, in the form of a product

conformity certificate, directly relevant fire test report or engineering assessment, that eachdoor/ doorset/ assembly supplied will comply with the specified requirements for fireresistance if tested to BS 476-22, BS EN 1634-1 or BS EN 1634-3. Such certification mustcover door and frame materials, glass and glazing materials and their installation, essentialand ancillary ironmongery, hinges and seals.

170 CONTROL SAMPLES• Procedure:

- Finalize component details.- Fabricate one of each of the following designated items as part of the quantity required

for the project.- Obtain approval of appearance and quality before proceeding with manufacture of the

remaining quantity.• Designated items: Door veneer.



PRODUCTS

230 WOOD FLUSH DOORS INCORPORATED IN GLAZED SCREENS• Manufacturer: To match in all respects the timber door sets in Clause 435 .

- Product reference: To match in all respects the timber door sets in Clause 435.• Facings: Timber veneer as clause 720.• Lippings: Concealed lippings to long edges.• Preservative treatment: Not required.• Finish as delivered: Full factory finish.• Glazing/ Infill details: Not applicable.

- Manifestation: Not applicable.- Beading: Not required.

• Other requirements: None.

435 WOOD DOORSETS INTERNALRefer to Architect's drawings for locations and sizes.

• Fire resistance rating: Refer to Architect's drawings.• Sound insulation rating: Refer to Architect's drawings.• Door leaf:

- Size: Width as shown on Architect's drawings / height 2.25m with overpanel.- Core: Solid laminated softwood.- Facings: Veneer as clause 720.- Lippings: Concealed lippings to long edges.- Finish as delivered: Full factory clear laquer finish.

• Frame and architraves:- Size: Width as shown on Architect's drawings / height 2.7m.- Wood species: Painted MDF.- Appearance class to BS EN 942: J40.- Finish as delivered: Full paint system, as section M60.

• Preservative treatment: N/a.• Glazing/ Infill details:

Factory finished non-wired:clear where shown on Architect's drawings, except opaque toWC lobbies. Fire rating as required.Vision panels required in following doors:Corridor / StairsCorridor / WC Lobby.- Manifestation: Not applicable.- Beading: Square section flush.

• Moisture content on delivery: 9-13%.• Ironmongery: Refer to Section P21.• Perimeter seals: Fire and smoke seal to FD doors as shown on Architect's drawings.• Fixing: Contractor's choice.• Other requirements: Overpanels to match door leaf.



436 WOOD DOORSETS INTERNAL - OFFICES - WITH SIDELIGHTRefer to Architect's drawings for locations and sizes.



• Frame and architraves:- Size: Width as shown on Architect's drawings / height 2.7m.- Wood species: Painted MDF.- Appearance class to BS EN 942: J40.- Finish as delivered: Full factory clear laquer finish.

• Preservative treatment: N/a.• Glazing/ Infill details: No vision panel to door.

Sidelight: non-wired clear, full height. Fire rating as required..- Manifestation: As drawing.- Beading: Square section flush.


437 WOOD DOORSETS INTERNAL - DOUBLERefer to Architect's drawings for locations and sizes.



• Frame and architraves:- Size: Width as shown on Architect's drawings / height 2.7m.- Wood species: Painted MDF.- Appearance class to BS EN 942: J40.- Finish as delivered: Full factory clear laquer finish.

• Preservative treatment: N/a.• Glazing/ Infill details:

Factory finished non-wired:clear where shown on Architect's drawings. Fire rating asrequired.Vision panels required in following doors:Corridor / Meeting AreasCorridor / Corridor.- Manifestation: Not applicable.- Beading: Square section flush.




461 GLAZED DOUBLE DOOR - INTERNAL MAIN ENTRANCE LOBBY & ASSEMBLYBUILDING ENTRANCE LOBBY

• Door to match glazed external Main Entrance doors (H11).• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Door leaf: Glazed door / aluminium frame.

- Finish as delivered: Polyester powdercoated;Colour: as Architect's Colour Schedule.

• Frame and architraves: Aluminium.- Finish as delivered: Polyester powdercoated.

• Glazing/ Infill details: Clear single glazing.- Manifestation: Required, DDA compliant.- Beading: Internal.

• Ironmongery:Powered operation: PIR control.Deadlock / Euro cylinder.

• Perimeter seals: EPDM weatherseal.• Other requirements: None.

462 GLAZED DOUBLE DOOR - EXTERNAL ASSEMBLY BUILDING: ENTRANCE LOBBY• Door to match glazed external Main Entrance door (H11/135).• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Door leaf: Glazed door / aluminium frame.

- Finish as delivered: Polyester powdercoated;Colour: as Architect's Colour Schedule.

• Frame and architraves: Aluminium.- Finish as delivered: Polyester powdercoated.

• Glazing/ Infill details: Clear single glazing.- Manifestation: Required, DDA compliant.- Beading: Internal.

• Ironmongery:Powered opening (operation: external: access control / internal: push-button)Deadlock / Euro cylinder Stainless steel d handles (600 / 19mm).Manifestation to comply with DDA legislation.Perimeter seals: EPDM weatherseal.

• Other requirements: Part M compliant aluminium threshold.Default opening in case of fire.



481 STEEL DOORSETS: EXTERNAL NW ELEVATION• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Fire resistance rating: [To BS 476-22, N/a.• Door leaf:

Size: width as Architect's drawings; height 2.25m with overpanel.Two skins of Zintec steel to BS EN 10152, folded to form 46mm thick door leaf; top andbottom edges closed and capped.Core: bonded honeycomb core with reiforcing pads for hardware as required. .- Finish as delivered: Polyester powdercoated as Section M60.

• Frame and architraves: Zintec steel to BS EN 10152 to form single or double profile to BS1245 .- Finish as delivered: Polyester powdercoated as Section M60.

• Ironmongery:Stainless steel d-handlesOverhead door closer Deadlock / Euro cylinder Emergency escape lock where single exit.

• Perimeter seals: Fire and smoke seal as required; seals as required to achieve acousticperformance.

• Other requirements: Fixed overpanel.

482 STEEL DOORSETS EXTERNAL - SE ELEVATION• Door to form part of overall Tenant Area access with sectional loading door and

intermediate column cladding - all finishes to be consistent.• Manufacturer: Contractor's choice.


Size: width as Achitect's drawings; height 2.25m with overpanel.Two skins of Zintec steel to BS EN 10152, folded to form 46mm thick door leaf; top andbottom edges closed and capped.Core: bonded honeycomb core with reiforcing pads for hardware as required. .- Finish as delivered: Polyester powdercoated as Section M60.

• Frame and architraves: Zintec steel to BS EN 10152 to form single or double profile to BS1245 .- Finish as delivered: Polyester powdercoated as Section M60.

• Ironmongery:Stainless steel d-handlesOverhead door closer Deadlock / Euro cylinder Emergency escape lock where single exit.Allow for access control (electric locking (electric strike plate).


• Other requirements: Fixed overpanel.



483 STEEL DOORSETS (EXTERNAL - BOILER ROOM: LOUVRED)• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Fire resistance rating: To BS 476-22, N/a.• Door leaf:

Size: width as Architect's drawings; height 2.70m.1·2mm Zintec steel; louvre blades inclined at 45º and mounted at 50mm centres within a50mm deep angle frame, mounted on a box section sub-frame.- Finish as delivered: Polyester powdercoated as Section M60.

• Frame and architraves: Zintec steel to BS EN 10152 to form single or double profile to BS1245 .- Finish as delivered: Polyester powdercoated.

Colour: refer to Architect's Coloiur Schedule.• Ironmongery:

Euro profile cylinder emergency lock.Hold-open device.Pair stainless steel d-handles.

• Other requirements:Galvanised bird and vermin mesh.15mm rebated threshold.

484 STEEL DOORSETS: EXTERNAL NE ELEVATION (SWITCHROOM / FIRE ESCAPE)• Manufacturer: Contractor's choice.


Size: width as Architect's drawings; height 2.70m.Two skins of Zintec steel to BS EN 10152, folded to form 46mm thick door leaf; top andbottom edges closed and capped.Core: bonded honeycomb core with reiforcing pads for hardware as required. .- Finish as delivered: Polyester powdercoated as Section M60 with applied cladding (see

below).• Frame and architraves: Zintec steel to BS EN 10152 to form single or double profile to BS

1245 .- Finish as delivered: Polyester powdercoated or painted to match surrounding cladding.

• Ironmongery:Switchroom:Stainless steel d-handlesOverhead door closer Deadlock / Euro cylinder Emergency escape lock.Fire escape:Surface mounted panic latch (three point)Overhead door closer.


• Other requirements: Doors to receive overcladding to match surrounding cladding panels,including horizontal joints (refer Section H43/125). Frame to receive paint finish to matchcladding colour (metallic silver).



615 SECTIONAL OVERHEAD DOORS PROTOTYPING AREA (INTERNAL)• Manufacturer: Contractor's choice .

- Product reference: Submit proposal .• Performance: Acoustic rated Rw 40dB .• Arrangement: Vertical lift .

- Track system: Heavy gauge cold rolled galvanized steel .• Door panels: Galvanised steel inner and outer face infilled with high density polyurethane

foam .- Finish as delivered: Polyester primer coating and stucco embossed coating on both

sides .• Operation: Powered; manual back-up: endless chain; key switch .• Ironmongery: Lockable .• Other requirements: None .

616 SECTIONAL OVERHEAD DOORS TENANT AREAS AND PROJECT AREA (EXTERNAL)• Manufacturer: Contractor's choice .

- Product reference: Submit proposal .• Performance:

To comply with European StandardsEN 12424 Wind resistance class 2/3EN 12425 Water penetration class 3EN 12426 Air permeability class 2Fire resistance performance to DIN 4102Compliant with L2A Building Regulations .

• Arrangement: Vertical lift .- Track system:

Heavy gauge cold rolled galvanized steel, suspended above suspended ceiling raft. .• Door panels:

Laminated steel panels. Insulated with CfC free polyurethane to give an optimum panel uvalue of 0.4 W/m² º CVision panels .- Finish as delivered: Polyester primer coating and stucco embossed coating on both

sides.Colour: refer to Architect's Colour Schedule .

• Operation: Powered; manual back-up: endless chain; key switch .• Ironmongery: Lockable .• Other requirements:

Counterbalance springs, designed for a minimum 20000 operating cycles, mounted on agalvanized, hexagonal shaft. Spring and cable break anti-drop device.Flush hinges and roller brackets.Inset lifting handle.Epdm perimeter and horizontal joint seals.Finger pinch protection to horizontal joints .

EXECUTION

710 PROTECTION OF COMPONENTS• General: Do not deliver to site components that cannot be installed immediately or placed

in clean, dry, floored and covered storage.• Stored components: Stacked on level bearers, separated with spacers to prevent damage

by and to projecting ironmongery, beads, etc.



720 VENEERS TO TIMBER DOORS• Veneer:• Species: North African Maple.• Cutting method: Crown cut.• Veneers to be consistent in grain and colour, grain to run vertically. Veneers to be carefully

selected and matched to present a continuous uniform appearance over adjacent surfaces.• Sample veneer to be submiitted to Employer's Representative before manufacture.

730 PRIMING/ SEALING• Wood surfaces inaccessible after installation: Primed or sealed as specified before fixing

components.

740 CORROSION PROTECTION• Surfaces to be protected: Exposed surfaces .• Protective coating: Two coats of bitumen solution to BS 6949 or an approved mastic

impregnated tape.- Timing of application: Before fixing components.

750 FIXING DOORSETS• Timing: After associated rooms have been made weathertight and the work of wet trades is

finished and dried out.

760 BUILDING IN• General: Not permitted unless indicated on drawings.

770 DAMP PROOF COURSES ASSOCIATED WITH BUILT IN WOOD FRAMES• Method of fixing: To backs of frames using galvanized clout nails.

780 DAMP PROOF COURSES IN PREPARED OPENINGS• Location: Correctly positioned in relation to door frames. Do not displace during fixing

operations.

790 FIXING OF WOOD FRAMES• Spacing of fixings (frames not predrilled): Maximum 150 mm from ends of each jamb and

at 600 mm maximum centres.

800 FIXING OF LOOSE THRESHOLDS• Spacing of fixings: Maximum 150 mm from each end and at 600 mm maximum centres.

809 FIRE RESISTING/ SMOKE CONTROL DOORS/ DOORSETS/ ROLLER SHUTTERS/ CURTAINS

• Installation: By a firm currently registered under a third party accredited fire door installer scheme in accordance with instructions supplied with the product conformity certificate,test report or engineering assessment.

810 FIRE RESISTING/ SMOKE CONTROL DOORS/ DOORSETS/ ROLLER SHUTTERS/ CURTAINS

• Gaps between frames and supporting construction: Filled as necessary in accordance withrequirements for certification and/ or door/ doorset manufacturer's instructions.



820 SEALANT JOINTS• Sealant:

- Manufacturer: Contractor's choice .Product reference: Submit proposal .

- Colour: White .- Application: As section Z22 to prepared joints. Triangular fillets finished to a flat or

slightly convex profile.

830 FIXING IRONMONGERY GENERALLY• Fasteners: Supplied by ironmongery manufacturer.

- Finish/ Corrosion resistance: To match ironmongery.• Holes for components: No larger than required for satisfactory fit/ operation.• Adjacent surfaces: Undamaged.• Moving parts: Adjusted, lubricated and functioning correctly at completion.

840 FIXING IRONMONGERY TO FIRE RESISTING DOOR ASSEMBLIES• General: All items fixed in accordance with door leaf manufacturer's recommendations

ensuring that integrity of the assembly, as established by testing, is not compromised.• Holes for through fixings and components: Accurately cut.

- Clearances: Not more than 8 mm unless protected by intumescent paste or similar.- Lock/ Latch cases for fire doors requiring > 60 minutes integrity performance: Coated

with intumescent paint or paste before installation.

850 LOCATION OF HINGES• Primary hinges: Where not specified otherwise, positioned with centre lines 250 mm from

top and bottom of door leaf.• Third hinge: Where specified, positioned with centre line 250 mm below centre line of top

hinge .• Hinges for fire resisting doors: Positioned in accordance with door leaf manufacturer's

recommendations.

860 INSTALLATION OF EMERGENCY EXIT DEVICES• Standard: Unless specified otherwise, install panic bolts/ latches in accordance with BS EN

1125.



L30Stairs/ ladders/ walkways/ handrails/ balustrades

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 251: reference to vinyl in lieu of carpet / Tender 28th Nov 2013


L30 Stairs/ ladders/ walkways/ handrails/ balustrades




PRELIMINARY INFORMATION/ REQUIREMENTS

105 CONTRACTOR'S DESIGN STEEL STAIR• Design responsibility: Determine section sizes and strengths and type, sizes and numbers

of fixings.• Structural and fire requirements:


satisfy specified performance criteria.• Functional requirements:

- Requirements for fire safety and management to BS 9999;- Straight stairs and winders to BS 5395-1; and- To Building Regulations (E&W) Approved Document M.

• Additional requirements: None.• Design and production information: As Preliminaries section A31.• Timing of submissions: As Preliminaries section A31.

115 TIMBER PROCUREMENT• Timber (including timber for wood based products): Obtained from well managed forests




- Evidence that suppliers have adopted and are implementing a formal environmentalpurchasing policy for timber and wood based products.

• Certification scheme: Forest Stewardship Council (FSC).- Other evidence: None.

130 SITE DIMENSIONS• Procedure: Before starting work on designated items take site dimensions, record on shop

drawings and use to ensure accurate fabrication.- Designated items: Existing elements to be retained.




COMPONENTS

251 METAL STAIRS - ACCOMMODATION / ESCAPE STAIRS• Component materials/ grades:

- Treads: steel tray with sand/cement fill to receive finish as M50.- Landing / half landing: Steel plate with steel flat / angle @ 600cc's as support and to

reduce drumming, to receive finish as M50. Surface to receive vinyl finish to be finishedbright steel.- Strings: Steel.

- Guarding:Posts Steel tube.Handrails: Steel tube, finished PPC.Infill: Intermediate rail: steel tube.

• Finish as delivered: Prepared, primed and finishing coats as section M60.- Colours: refer to Architect's Colour Schedule.

• Workmanship: To section Z11.• Other requirements:

- Applied slip resistant nosings with visual contrast;- Joints welded and ground smooth;- Matching balustrade to landing.

INSTALLATION

610 MOISTURE CONTENT• Temperature and humidity: Monitor and control internal conditions to achieve specified

moisture content in wood components at time of installation.

620 PRIMING/SEALING/PAINTING• Surfaces inaccessible after assembly/installation: Before fixing components, apply full

protective/decorative treatment/coating system.

630 CORROSION PROTECTION OF DISSIMILAR MATERIALS• Components/ substrates/ fasteners of dissimilar materials: Isolate using washers/ sleeves

or other suitable means to separate materials to avoid corrosion and/ or staining.

640 INSTALLATION GENERALLY• Fasteners and methods of fixing: To section Z20.• Structural members: Do not modify, cut, notch or make holes in structural members, except

as indicated on drawings.• Temporary support: Do not use stairs, walkways or balustrades as temporary support or

strutting for other work.• Applied finishes: Substrates to be even, dry, sound and free from contaminants. Make

good substrate surfaces and prepare/ prime as finish manufacturer's recommendationbefore application.

670 INSTALLATION OF TREAD INSERTS/ NOSINGS• Treads: Fully cured, sound and level.• Fixing:

- Location/ position: In accordance with BS 8300.- Fixings: As manufacturer's recommendations.

Centres: As manufacturer's recommendations.




M12Resin flooring

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 115: resin skirting omitted / Tender 2nd Dec 2013


M12 Resin flooring Tender Page 100 of 189

M12 Resin flooring


TYPES OF FLOORING

115 RESIN FLOORING ASSEMBLY / WORKSHOP BUILDING• Substrate: Existing in situ concrete slab.

- Preparation: As clause 230.• Resin flooring system:

- Manufacturer:Flowcrete UK LtdBooth LaneSandbachCheshireUnited KingdomCW11 3QFwww.flowcrete.co.uk.

- Primer reference: Two coats Hydraseal DPM.- Resin flooring reference: Flowshield HD SL.- Application: 3 mm nominal thickness.- Colour: As Architect's Colour Schedule.- Surface finish/ treatment: Apply one coat Flowcrete SF41, mixed with 4% by weight Alox

54 mesh,; apply one coat PU Matt 805..• Flatness/ Surface regularity:

- Sudden irregularities: Not permitted except as noted below.Refer to Section C90/110 for making good at minor level changes in existing slab.

- Classification of surface regularity to BS 8204-6: Not required.• Other requirements: None .

PREPARATION OF SUBSTRATES

210 TESTING MOISTURE CONTENT OF SUBSTRATES• Drying aids: Remove minimum four days prior to test.• Test: To BS 8203, Annex A using an accurately calibrated hygrometer.

- Location of readings: Corners, along edges, and at various points over the test area.• Relative humidity before laying resin flooring (maximum): As manufacturer's

recommendation.

220 SURFACE HARDNESS OF SUBSTRATES• General: Substrates must restrain stresses that occur during setting and hardening of

resin.• Test for surface hardness: To BS EN 12504-2 using a rebound hammer.• Test results: Submit.• Areas of non compliance: Submit remedial proposals.



230 PREPARATION OF SUBSTRATES GENERALLY• Chases/ Saw cuts: Cut/ break out at skirtings, free edges, movement joints, etc. for

termination of resin flooring.• Blow holes, cavities, cracks, etc: Fill with repair product recommended by resin flooring

manufacturer.• Cleanliness: Remove surface contaminants, debris, dirt and dust.• Surface texture: Suitable to accept resin flooring and achieve a full bond over the complete

area.

240 EXISTING SUBSTRATES• Preparation: Remove surface imperfections, ingrained contaminants, coatings and

residues.- Contaminated areas: Submit proposals for removal and repair.

250 EXISTING TILE/ SHEET FLOOR COVERINGS• Preparation: Remove coverings, residual adhesive, bedding, grouting and pointing.

260 METAL SUBSTRATES• Cleaning: Shot blast to BS EN ISO 8501-1, grade Sa2.5.

- Treated surfaces: Clean. Free from visible oil, grease and dirt, mill scale, rust, paintcoatings and foreign matter.

LAYING FLOORING

310 WORKMANSHIP• Operatives:

- Trained/ Experienced in the application of resin floorings.- Evidence of training/ experience: Submit on request.

• Fillers and incorporated aggregates: Thoroughly mix in to ensure wetting. Avoid over-vigorous mixing resulting in excessive air entrainment.

• Scattered aggregates: Broadcast onto wet surface of resin.- Appearance: Consistent.

• Curing: Allow appropriate periods between coats and before surface treatments andtrafficking/ use.

320 CONTROL SAMPLES• Complete areas of finished work in the following locations: As agreed with Employer's

Representative.• Approval of appearance: Obtain before proceeding.

330 PRIMERS• Application: Even to completely wet, penetrate and seal substrates.• Coverage per coat (minimum): As recommended by manufacturer.• Curing period (maximum): As recommended by manufacturer.

350 COATED RESIN FLOORING• Application: Even, of uniform thickness, surface finish and colour.

355 FLOW APPLIED COATED RESIN FLOORING• Application: Evenly, of uniform thickness, surface finish and colour.• Trapped air: Roll to release.

357 TROWEL APPLIED SCREEDED RESIN FLOORING• Application: Even and thoroughly compacted, of uniform thickness, surface finish and

colour.



380 SURFACE SEALER• Application: Even to completely wet resin surface.

390 SLIP RESISTANCE TESTING OF FINISHED RESIN FLOORING• Standard: To BS 7976-2.• Timing: Give notice.

- Notice period (minimum): 14 days.• Results: Submit pendulum test values (PTVs), for both wet and dry states.

400 BOND STRENGTH OF RESIN FLOORING• Contact surfaces: Substrate and fully cured resin flooring.• Bond: In accordance with manufacturer's performance data.• Test: To BS 8204-6, clause 11.4 and BS EN 1542.

423 FREE EDGES OF RESIN FLOORING FLOWCOAT SF41• Transition to abutting floor finishes: Straight and smooth.• Retention of resin edges: Not required.



M40Stone/ concrete/ quarry/ ceramic tiling/ mosaic

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 112 Heading / Tender 21st Nov 2013


M40 Stone/ concrete/ quarry/ ceramic tiling/ mosaic




TYPES OF TILING/ MOSAIC

111 TILING TO WC'S - FLOOR• Tiles: Plain matt homogenous ceramic tiles.

- Manufacturer/ Supplier: Contractor's choice.- Colour: As Architect's Colour Schedule.

- Finish: Matt.- Size: 200 x 200mm / 200 x 100mm skirting.- Thickness: 8mm.- Slip potential:

Slip resistance value (SRV) (minimum)/ Pendulum test value (PTV) (minimum) to BS7976-1, -2, -3 or BS EN 14231 (natural stone only): 40 wet .

- Recycled content: Contractor's choice.• Background/ Base: Power floated concrete slab.

- Preparation: -.• Intermediate substrate: Not required.• Bedding: Thin bed cement based adhesive.

- Reinforcement: Not applicable.- Adhesive to BS EN 12004: Contractor's choice.

• Joint width: 3 mm.• Grout: Waterproof.

- Type/ classification: Not applicable.- Admixture: None.

• Movement joints: At perimeter / for area greater than 50sq m or at structural movementjoint.

• Accessories: As required.

112 TILING TO WC'S - WALLS / SPLASHBACKS TO SINKS• Tiles: Plain homogenous ceramic tiles.

- Manufacturer/ Supplier: Contractor's choice.- Colour: As Architect's Colour Schedule.

- Finish: Glazed.- Size: 100 x 100mm.- Thickness: 6mm.- Recycled content: Contractor's choice.

• Background/ Base: Moisture resistant plasterboard.- Preparation: -.

• Intermediate substrate: Not required.• Bedding: Premixed adhesive formulated for plasterboard.

- Reinforcement: Not applicable.- Adhesive to BS EN 12004: Contractor's choice.

• Joint width: 3 mm.• Grout: Waterproof.

- Type/ classification: Not applicable.- Admixture: None.

• Accessories: As required.




GENERAL

210 SUITABILITY OF BACKGROUNDS/ BASES• Background/ base tolerances: To permit specified flatness/ regularity of finished surfaces

given the permissible minimum and maximum thickness of bedding.• New background drying times (minimum):

- Concrete walls: 6 weeks.- Brick/ block walls: 6 weeks.- Rendering: 2 weeks.- Gypsum plaster: 4 weeks.

• New base drying times (minimum):- Concrete slabs: 6 weeks.- Cement:sand screeds: 3 weeks.

250 SAMPLES• General: Submit representative samples of the following:

Each type of tile + grout.

PREPARATION

310 EXISTING BACKGROUNDS/BASES GENERALLY• Efflorescence, laitance, dirt and other loose material: Remove.• Deposits of oil, grease and other materials incompatible with the bedding: Remove.• Tile, paint and other nonporous surfaces: Clean.• Wet backgrounds: Dry before tiling.

330 EXISTING PLASTER• Defective areas: Remove plaster that is loose, soft, friable, badly cracked or affected by

efflorescence. Cut back to straight horizontal and vertical edges.• Making good: Use plaster or nonshrinking filler.

370 NEW IN SITU CONCRETE• Backgrounds/ bases to be tiled: Remove mould oil, surface retarders and other materials

incompatible with bedding.

380 NEW PLASTER• Plaster: Dry, solidly bedded, free from dust and friable matter.• Plaster primer: Apply if recommended by adhesive manufacturer.

390 PLASTERBOARD BACKGROUNDS• Boards: Dry, securely fixed and rigid with no protruding fixings and face to receive

decorative finish exposed.

460 SMOOTHING UNDERLAYMENT• Type: Recommended by adhesive manufacturer.• Condition: Allow to dry before tiling.




FIXING

510 FIXING GENERALLY• Colour/ shade: Unintended variations within tiles for use in each area/ room are not

permitted.- Variegated tiles: Mix thoroughly.

• Adhesive: Compatible with background/ base. Prime if recommended by adhesivemanufacturer.

• Use of admixtures with cementitious adhesives: Only admixtures approved by adhesivemanufacturer.

• Cut tiles: Neat and accurate.• Fixing: Provide adhesion over entire background/ base and tile backs.• Final appearance: Before bedding material sets, make adjustments necessary to give true,

regular appearance to tiles and joints when viewed under final lighting conditions.• Surplus bedding material: Clean from joints and face of tiles without disturbing tiles.

531 SETTING OUT• Joints: True to line, continuous and without steps.

- Joints on walls: Horizontal, vertical and aligned round corners.- Joints in floors: Parallel to the main axis of the space or specified features.

• Cut tiles: Minimize number, maximize size and locate unobtrusively.• Joints in adjoining floors and walls: Align.• Joints in adjoining floors and skirtings: Align.• Movement joints: Where locations are not indicated, submit proposals.

550 FLATNESS/ REGULARITY OF TILING/ MOSAICS• Sudden irregularities: Not permitted.• Deviation of surface: Measure from underside of a 2 m straightedge with 3 mm thick feet

placed anywhere on surface. The straightedge should not be obstructed by the tiles and nogap should be greater than 6 mm, i.e. a tolerance of + 3 mm.

560 LEVEL OF TILING ACROSS JOINTS• Deviation (maximum) between tile surfaces either side of any type of joint:

- 1 mm for joints less than 6 mm wide.- 2 mm for joints 6 mm or greater in width.

600 SIT-ON TILE SKIRTINGS• Sequence: Bed solid to wall after laying floor tiles.• Bedding: Adhesive recommended for plasterboard.

650 ADHESIVE BED - NOTCHED TROWEL METHOD (WALLS)• Application: By 3 mm floated coat of adhesive to dry background in areas of approximately

1 m². Comb surface.• Tiling: Press tiles firmly onto float coat.

710 ADHESIVE BED - NOTCHED TROWEL AND BUTTERING METHOD (FLOORS)• Application: Floated coat of adhesive to dry base and comb surface.• Tiling: Apply coat of adhesive to backs of dry tiles. Fill any ribbed, deep keyed or button

profiles. Press tiles firmly onto float coat.• Finished adhesive thickness: Within range allowed by manufacturer.

711 ADHESIVE BED - BUTTERING METHOD (FLOORS)• Tiling: Apply even coat of adhesive to backs of dry tiles. Fill any ribbed, deep keyed or

button profiles.• Finished adhesive thickness: Within the range allowed by the adhesive manufacturer.




MOVEMENT JOINTS/ GROUTING/ COMPLETION

875 GROUTING• Sequence: Grout when bed/adhesive has set sufficient to prevent disturbance of tiles.• Joints: 6 mm deep (or depth of tile if less). Free from dust and debris.• Grouting: Fill joints completely, tool to profile, clean off surface. Leave free from blemishes.

- Profile: Slightly concave.• Polishing: When grout is hard, polish tiling with a dry cloth.

885 COLOURED GROUT• Staining of tiles: Not permitted• Evaluating risk of staining: Apply grout to a few tiles in a small trial area. If discoloration

occurs apply a protective sealer to tiles and repeat trial.




M50Rubber/ plastics/ cork/ lino/ carpet tiling/ sheeting

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clauses 360, 480 omitted / Clauses amended: 130 (ref to 520);

158 (skirting omitted) / Tender28th Nov 2013


M50 Rubber/ plastics/ cork/ lino/ carpet tiling/ sheeting




TYPES OF COVERING

130 CARPET TILING• Location: ENTRANCE AREA, OFFICES, OFFICE CORRIDORS, ADMIN OFFICE,

MEETING ROOMSRefer to Architect's Finishes drawings.

• Base:Ground floor: New power-floated concrete and existing screed.First floor: Resilient floor (K11)First floor Entrance Block: New power-floated concrete.- Preparation: As clauses 430.

• Fabricated underlay: none.• Carpet tiles:

- Manufacturer: Milliken.Product reference: Consequence - Design: Upshot.

- Type: Heavy commercial use, luxury tufted loop pile.- BS EN 1307 classification:

Category: -.Level of use class: 33.Luxury rating class: -.

- Recycled content: Contractor's choice.- Size: 457.2 x 457.2mm.- Colour/ pattern: Colour/pattern: Up24 Art House.

• Method of laying: To manufacturer's recommendation.• Accessories: Edging strip at thresholds as clause 740

Stair nosings as clause 750.• Other requirements:

Direction of pile. Tiles to be set out in 'Monolithic' arrangement with lines parallel to theexternal wall.




156 PVC SHEET FLOORING IN SPECIAL WET AREAS• Location: TEA POINT / CLEANER'S ROOM.• Base: Power floated concrete slab.

- Preparation: As clause 430.• Fabricated underlay: none.• Flooring roll: PVC to BS EN 13553.

- Manufacturer: Altro.Product reference: Classic 25 2.5mm thick Safety Floor.

- Identity code: -.- BS EN 685 class: 34 & 43.- Slip potential:

Slip resistance value (SRV) (minimum)/ Pendulum test value (PTV) (minimum) to BS7976: 36 + wet.Surface roughness (Rz) (minimum) to BS 1134: 20 micrometres.

- Recycled content: Contractor's choice.- Width: 2000 mm.- Thickness: 2.5mm.- Colour/ pattern: Refer to Architect's Colour Schedule.

• Adhesive (and DPM primer if recommended by manufacturer): To manufacturer'srecommendation.

• Seam welding: Hot-welding with matching Altro Welding Rod, as clause 680A.• Accessories: PVC skirtings as clause 771.• Finishing: None.• Other requirements: None.

158 PVC SHEET FLOORING• Location: STAIRS.• Base: Screed in metal tray (treads) / steel plate (landings).

- Preparation: As clauses 411 & 430.• Fabricated underlay: none.• Flooring roll: PVC to BS EN 13553.

- Manufacturer: Altro.Product reference: Classic 25 2.5mm thick Safety Floor.

- Identity code: -.- BS EN 685 class: 34 & 43.- Slip potential:

Slip resistance value (SRV) (minimum)/ Pendulum test value (PTV) (minimum) to BS7976: 36 + wet.Surface roughness (Rz) (minimum) to BS 1134: 20 micrometres.

- Recycled content: Contractor's choice.- Width: 2000 mm.- Thickness: 2.5mm.- Colour/ pattern: Refer to Architect's Colour Schedule.

• Adhesive (and DPM primer if recommended by manufacturer): To manufacturer'srecommendation (Altro recommends Ultrafix 19 two-pack polyurethane for steel stairs).

• Seam welding: Hot-welding with matching Altro Welding Rod, as clause 680A.• Accessories: none.• Finishing: None.• Other requirements: Nosings as clause 750.





210 WORKMANSHIP GENERALLY• Base condition after preparation: Rigid, dry, sound, smooth and free from grease, dirt and

other contaminants.• Finished coverings: Accurately fitted, tightly jointed, securely bonded, smooth and free

from air bubbles, rippling, adhesive marks and stains.

220 SAMPLES• Covering samples: Before placing orders, submit representative sample of each type.

252 LAYOUT - PATTERNS• Setting out: Agree setting out for covering types M50/ - .

253 LAYOUT - SEAMS IN ROLL MATERIALS• Setting out: Minimise occurrences of seams and cross seams.• Cross seams: Not permitted.

270 EXTRA MATERIAL• Provision of extra material: At completion, hand to Employer extra material of each type of

covering to extent of 12 carpet tiles.

330 COMMENCEMENT• Required condition of works prior to laying materials:

- Building is weathertight and well dried out.- Wet trades have finished work.- Paintwork is finished and dry.- Conflicting overhead work is complete.- Floor service outlets, duct covers and other fixtures around which materials are to be cut

are fixed.• Notification: Submit not less than 48 hours before commencing laying.

340 CONDITIONING• Prior to laying: Condition materials by unpacking and separating in spaces where they are

to be laid. Maintain resilient flooring rolls in an upright position. Unroll carpet and keep flaton a supporting surface.

• Conditioning time and temperature (minimum): As recommended by manufacturer withtime extended by a factor of two for materials stored or transported at a temperature of lessthan 10°C immediately prior to laying.

350 ENVIRONMENT• Temperature and humidity: Before, during and after laying, maintain approximately at

levels which will prevail after building is occupied.• Ventilation: Before during and after laying, maintain adequate provision.

PREPARING BASES

410 NEW BASES• Suitability of bases and conditions within any area: Commencement of laying of coverings

will be taken as acceptance of suitability.

411 STEEL STAIR• Steel surface: bright steel. Clean with degreaser.




420 EXISTING BASES• Notification: Before commencing work, confirm that existing bases will, after preparation,

be suitable to receive coverings.• Suitability of bases and conditions within any area: Commencement of laying of coverings

will be taken as acceptance of suitability.

430 NEW WET LAID BASES• Base drying aids: Not used for at least four days prior to moisture content testing.• Base moisture content test: Carry out in accordance with BS 5325, Annexe A or BS 8203,

Annexe A.- Locations for readings: In all corners, along edges, and at various points over area being

tested.• Commencement of laying coverings: Not until all readings show 75% relative humidity or

less.

440 SUBSTRATES TO RECEIVE THIN COVERINGS• Trowelled finishes: Uniform, smooth surface free from trowel marks and other blemishes.

Abrade suitably to receive specified floor covering material.

460 SMOOTHING/ LEVELLING UNDERLAYMENT COMPOUND• Type: As recommended by manufacturer.• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.

470 BASES FROM WHICH EXISTING FLOOR COVERINGS HAVE BEEN REMOVED• Substrate: Clear of covering and as much adhesive as possible. Skim with smoothing

underlayment compound to give smooth, even surface.

LAYING COVERINGS

610 SETTING OUT TILES• Method: Set out from centre of area/ room, so that wherever possible:

- Tiles along opposite edges are of equal size.- Edge tiles are more than 50% of full tile width.

620 COLOUR CONSISTENCY• Finished work in any one area/ room: Free from banding or patchiness.

640 ADHESIVE FIXING GENERALLY• Adhesive type: As specified, as recommended by covering/ underlay, manufacturer or as

approved.• Primer: Type and usage as recommended by adhesive manufacturer.• Application: As necessary to achieve good bond.• Finished surface: Free from trowel ridges, high spots caused by particles on the substrate,

and other irregularities.

650 SEAMS• Patterns: Matched.• Joints: Tight without gaps.

670 BORDERS/ AND FEATURE STRIPS IN SHEET MATERIAL• Curl: Not acceptable.• Corners: Mitre joints.




680 SEAM WELDING COVERINGS• Commencement: At least 24 hours after laying, or after adhesive has set.• Joints: Neat, smooth, strongly bonded, flush with finished surface.

700 LOOSE LAID CARPET TILES• Areas of adhered tiles: Secure using double sided tape or peelable adhesive.• Joints: Butted.

- Perimeter joints: Accurately cut to match abutment and prevent movement.

720 DOORWAYS• Joint location: On centre line of door leaf.

740 EDGINGS AND COVER STRIPS• Manufacturer: Contractor's choice .

- Product reference: Contractor's choice .• Material/ finish: Submit proposals .• Fixing: Secure with edge of covering gripped. Use matching fasteners where exposed to

view

750 STAIR NOSINGS AND TRIMS• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Material/ finish: Submit proposals / contrasting with stair tread finish.• Fixing: Secure, level and with mitred joints. Adjusted to suit thickness of covering with

continuous packing strips of hardboard or plywood. Nosings and packing strips bedded ingap-filling adhesive recommended by nosing manufacturer.- Screw fixing with matching plugs: Not required.

771 SKIRTINGS - COVED (CLEANER'S ROOM)• Cove former: As recommended by manufacturer.

- Securely bond to base and background.• Turn flooring material up wall and securely bond to cove former and background, with top

edge straight.- Accurately mitre at corners.

• Height: Minimum 100mm- Top edge: Cove former and capping seal.- Adhesive: As recommended by manufacturer.

• Hot weld joints and mitred corners with matching welding rod. Do not chemical weld.

780 TRAFFICKING AFTER LAYING• Covering types: As recommended by manufacturer.• Traffic free period: Until adhesive is set.

COMPLETION

820 FINISHING PLASTICS FLOORING• Cleaning operations:

- Wash floor with water containing neutral (pH 6-9) detergent. If necessary, lightly scrubheavily soiled areas.

- Rinse with clean water, removing surplus to prevent damage to adhesive. Allow to dry.• Emulsion polish: Two coats of a type recommended by covering manufacturer.

880 WASTE• Spare covering material: Retain suitable material for patching. On completion submit

pieces for selection. Hand over selected pieces to Employer.




M60Painting/clear finishing

No.


Purpose



M60 Painting/clear finishing Tender Page 115 of 189

M60 Painting/clear finishing


COATING SYSTEMS

110 EMULSION PAINT MATT EMULSION PAINT FINISH TO PLASTERED ANDPLASTERBOARD SURFACES

• Manufacturer: Contractor's choice.- Product reference: Hardwearing trade as Dulux Diamond.

• Surfaces: Plasterboard primed.- Preparation: Tape and fill joints.

• Initial coats: As recommended by manufacturer.• - Number of coats: 1.• Undercoats: As recommended by manufacturer.

- Number of coats: 1.• Finishing coats: Matt vinyl.

- Number of coats: 1.

131 SATIN PAINT PRIMED SOFTWOOD SURFACES• Manufacturer: Contractor's choice.

- Product reference: Water based satin finish - Contractor's choice.• Surfaces: Primed wood surfaces.

- Preparation: -.• Initial coats: As recommended by manufacturer.

- Number of coats: To manufacturer's recommendation.• Undercoats: As recommended by manufacturer.

- Number of coats: To manufacturer's recommendation.• Finishing coats: Satin.

- Number of coats: To manufacturer's recommendation.

132 MATT PAINT EXISTING PROFILED ROOF SURFACES• Manufacturer: Contractor's choice.

- Product reference: Water based matt finish - Contractor's choice.• Surfaces: Previously decorated.

- Preparation: As clause 440.• Initial coats: As recommended by manufacturer.

- Number of coats: To manufacturer's recommendation.• Undercoats: As recommended by manufacturer.

- Number of coats: To manufacturer's recommendation.• Finishing coats: Matt.

- Number of coats: To manufacturer's recommendation.



136 SATIN PAINT SOLVENT-BASED PAINT FINISH TO EXISTING AND NEW INTERNALEXOSED STEELWORK


• Surfaces: Previously decorated.- Preparation: Degrease and provide key and Remove existing gloss paint.

• Initial coats: As recommended by manufacturer.- Number of coats: To manufacturer's recommendation.

• Undercoats: As recommended by manufacturer.- Number of coats: To manufacturer's recommendation.

• Finishing coats: Satin.- Number of coats: To manufacturer's recommendation.

196 ROAD MARKING CAR SPACE MARKING• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Coating: One pack epoxy.

Colour: Traffic yellow.• Surfaces: Existing tarmac.

- Preparation: As manufacturer's reommendation.

GENERALLY

210 COATING MATERIALS• Manufacturers: Obtain materials from any of the following:

Submit proposals.• Selected manufacturers: Submit names before commencement of coating work.

215 HANDLING AND STORAGE• Coating materials: Deliver in sealed containers, labelled clearly with brand name, type of

material and manufacturer's batch number.• Materials from more than one batch: Store separately. Allocate to distinct parts or areas of

the work.

220 COMPATIBILITY• Coating materials selected by contractor:

- Recommended by their manufacturers for the particular surface and conditions of exposure.

- Compatible with each other.- Compatible with and not inhibiting performance of preservative/fire retardant

pretreatments.

280 PROTECTION• 'Wet paint' signs and barriers: Provide where necessary to protect other operatives and

general public, and to prevent damage to freshly applied coatings.

320 INSPECTION BY COATING MANUFACTURERS• General: Permit manufacturers to inspect work in progress and take samples of their

materials from site if requested.



PREPARATION

400 PREPARATION GENERALLY• Standard: In accordance with BS 6150.• Suspected existing hazardous materials: Prepare risk assessments and method

statements covering operations, disposal of waste, containment and reoccupation, andobtain approval before commencing work.

• Preparation materials: Types recommended by their manufacturers and the coatingmanufacturer for the situation and surfaces being prepared.

• Substrates: Sufficiently dry in depth to suit coating.• Efflorescence salts: Remove.• Dirt, grease and oil: Remove. Give notice if contamination of surfaces/ substrates has

occurred.• Surface irregularities: Remove.• Joints, cracks, holes and other depressions: Fill flush with surface, to provide smooth

finish.• Dust, particles and residues from preparation: Remove and dispose of safely.• Water based stoppers and fillers:

- Apply before priming unless recommended otherwise by manufacturer.- If applied after priming: Patch prime.

• Oil based stoppers and fillers: Apply after priming.• Doors, opening windows and other moving parts:

- Ease, if necessary, before coating.- Prime resulting bare areas.

420 FIXTURES AND FITTINGS• Removal: Before commencing work remove: Surface mounted fixtures.• Replacement: Refurbish as necessary, refit when coating is dry.

425 IRONMONGERY• Removal: Before commencing work: Remove ironmongery from surfaces to be coated.• Hinges: Remove.• Replacement: Refurbishment as necessary; refit when coating is dry.

430 EXISTING IRONMONGERY• Refurbishment: Remove old coating marks. Clean and polish.



440 PREVIOUSLY COATED SURFACES GENERALLY• Preparation: In accordance with BS 6150, clause 11.5.• Contaminated or hazardous surfaces: Give notice of:

- Coatings suspected of containing lead.- Substrates suspected of containing asbestos or other hazardous materials.- Significant rot, corrosion or other degradation of substrates.

• Suspected existing hazardous materials: Prepare risk assessments and methodstatements covering operations, disposal of waste, containment and reoccupation, andobtain approval before commencing work.

• Removing coatings: Do not damage substrate and adjacent surfaces or adversely affectsubsequent coatings.

• Loose, flaking or otherwise defective areas: Carefully remove to a firm edge.• Alkali affected coatings: Completely remove.• Retained coatings:

- Thoroughly clean to remove dirt, grease and contaminants.- Gloss coated surfaces: Provide key.

• Partly removed coatings:- Additional preparatory coats: Apply to restore original coating thicknesses.- Junctions: Provide flush surface.

• Completely stripped surfaces: Prepare as for uncoated surfaces.

451 PREVIOUSLY COATED SURFACES - BLAST CLEANING• Operatives:

- Trained/ experienced in blast cleaning.- Submit evidence of training/ experience on request.

• Dust and nuisance: Minimize.

456 PREVIOUSLY COATED SURFACE - BURNING OFF• Risk assessment and method statement: Prepare, and obtain approval before commencing

work. • Adjacent areas: Protect from excessive heat and falling scrapings.• Exposed resinous areas and knots: Apply two coats of knotting.• Removed coatings: Dispose of safely.

461 PREVIOUSLY COATED WOOD• Degraded or weathered surface wood: Take back to provide suitable substrate.• Degraded substrate wood: Repair with sound material of same species.• Exposed resinous areas and knots: Apply two coats of knotting.

471 PREPRIMED WOOD• Areas of defective primer: Take back to bare wood and reprime.

481 UNCOATED WOOD• General: Provide smooth, even finish with arrises and moulding edges lightly rounded or

eased.• Heads of fasteners: Countersink sufficient to hold stoppers/fillers.• Resinous areas and knots: Apply two coats of knotting.

490 PREVIOUSLY COATED STEEL• Defective paintwork: Remove to leave a firm edge and clean bright metal.• Sound paintwork: Provide key for subsequent coats.• Corrosion and loose scale: Take back to bare metal.• Residual rust: Treat with a proprietary removal solution.• Bare metal: Apply primer as soon as possible.• Remaining areas: Degrease.



500 PREPRIMED STEEL• Areas of defective primer, corrosion and loose scale: Take back to bare metal. Reprime as

soon as possible.

511 GALVANIZED, SHERARDIZED AND ELECTROPLATED STEEL• White rust: Remove.• Pretreatment: Apply one of the following:

- 'T wash'/ mordant solution to blacken whole surface.- Etching primer recommended by coating system manufacturer.

521 UNCOATED STEEL - MANUAL CLEANING• Oil and grease: Remove.• Corrosion, loose scale, welding slag and spatter: Remove.• Residual rust: Treat with a proprietary removal solution.• Primer: Apply as soon as possible.

531 UNCOATED STEEL - BLAST CLEANING• Oil and grease: Remove.• Blast cleaning:

- Atmospheric conditions: Dry.- Abrasive: Suitable type and size, free from fines, moisture and oil.- Surface finish: To BS EN ISO 8501-1, preparation grade 2½.

• Primer: Apply as soon as possible and within four hours of blast cleaning.

541 UNCOATED ALUMINIUM/ COPPER/ LEAD• Surface corrosion: Remove and lightly key surface.• Pretreatment: Etching primer if recommended by coating system manufacturer.

560 UNCOATED CONCRETE• Release agents: Remove.

570 UNCOATED MASONRY/ RENDERING• Loose and flaking material: remove.

580 UNCOATED PLASTER• Nibs, trowel marks and plaster splashes: Scrape off.• Overtrowelled 'polished' areas: Key lightly.

590 UNCOATED PLASTERBOARD• Depressions around fixings: Fill with stoppers/ fillers

601 UNCOATED PLASTERBOARD - TO RECEIVE TEXTURED COATING• Joints: Fill, tape and feather out with materials recommended by textured coating

manufacturer.

611 WALL COVERINGS• Retained wall coverings: Check that they are in good condition and well adhered to

substrate.• Previously covered walls: Wash down to remove paper residues, adhesive and size.

622 ORGANIC GROWTHS• Dead and loose growths and infected coatings: Scrape off and remove from site.• Treatment biocide: Apply appropriate solution to growth areas and surrounding surfaces.• Residual effect biocide: Apply appropriate solution to inhibit re-establishment of growths.



645 SEALING OF INTERNAL MOVEMENT JOINTS• General: To junctions of walls and ceilings with architraves, skirtings and other trims.• Sealant: Water based acrylic.


- Preparation and application: As section Z22.

APPLICATION

711 COATING GENERALLY• Application standard: In accordance with BS 6150, clause 9.• Conditions: Maintain suitable temperature, humidity and air quality during application and

drying.• Surfaces: Clean and dry at time of application.• Thinning and intermixing of coatings: Not permitted unless recommended by manufacturer.• Overpainting: Do not paint over intumescent strips or silicone mastics.• Priming coats:

- Thickness: To suit surface porosity.- Application: As soon as possible on same day as preparation is completed.

• Finish:- Even, smooth and of uniform colour.- Free from brush marks, sags, runs and other defects.- Cut in neatly.

• Doors, opening windows and other moving parts: Ease before coating and between coats.

720 PRIMING JOINERY• Preservative treated timber: Retreat cut surfaces with two flood coats of a suitable

preservative before priming.• End grain: Coat liberally allow to soak in, and recoat.

730 WORKSHOP COATING OF CONCEALED JOINERY SURFACES• General: Apply coatings to all surfaces of components.

751 STAINING WOOD• Primer: Apply if recommended by stain manufacturer.• Application: Apply in flowing coats and brush out excess stain to produce uniform

appearance.

770 EXTERNAL DOORS• Bottom edges: Prime and coat before hanging doors.

780 BEAD GLAZING TO COATED WOOD• Before glazing: Apply first two coats to rebates and beads.

800 GLAZING• Etched, sand blasted and ground glass: Treat or mask edges before coating to protect

from contamination by oily constituents of coating materials.

810 WATER REPELLENT• Application: Liberally flood surface, giving complete and even coverage.



N10General fixtures/ furnishings/ equipment

No.


Purpose



N10 General fixtures/ furnishings/ equipment




PRODUCTS

Refer to Architect's drawing 1421 for general fittings.

115 PURPOSE MADE TEA POINT FITTINGS• Manufacturer:

Howdens Joinery CoFirst Floor40 Portman SquareLondonW1H 6LTwww.howdens.comProduct: from Gloss Integrated Handle Family .

• Standard: BS6222: 2009• Joinery workmanship: As section Z10.• Metalwork materials and workmanship: As section Z11.• Other requirements: Refer to Architect's drawings for units and equipment.

240 BLINDS BLACKOUT BLINDS IN MEETING AREAS (FIRST FLOOR) AND PROJECTAREA


• Type: Vertical roller.• Material: To achieve full blackout.

- Finish/ Colour: -.• Operation: Manual, chain.• Accessories/ Other requirements: Not required.

245 VENETIAN BLINDS OFFICES• Manufacturer: Submit proposals.

- Product reference: Submit proposal.• Material: Aluminium.

- Finish/ Colour: Silver grey.• Operation: Manual, rod.• Accessories/ Other requirements: None.

270 MIRRORS WC'S• Material: Class C safety glass to BS 6206 .• Quality: Free from tarnishing, discoloration, scratches and other defects visible in the

designed viewing conditions. Reflection undistorted.• Size: Full width.• Backing: Lacquer.• Edges: Square.• Fixing: Concealed.• Installation: Accurately with sides vertical.




301 ENTRANCE MATTING MAIN ENTRANCE• Manufacturer:

Forbo Flooring UK Ltd, or eq approvedP O Box 1,Kirkcaldy Fife, KY1 2SB.Tel: 01773 740 688 Fax: 01773 740 640www.forbo-flooring.co.uk .

• Product reference:Nuway GridSingle Moduleor equivalent to the approval of the Employer's Representative .

• Colour: Black .• Size: Refer to Architect's drawings .• Frame: recessed stainless steel.

310 LOOSE LAID MATTING PROJECT AREA ENTRANCE• Purpose/ location: -.• Manufacturer: 3M or eq approved.

- Product reference: Aqua Series Textile Entrance Matting 65.• Size: 2000 X 1300mm.• Colour: Dark grey.

EXECUTION

710 MOISTURE CONTENT OF WOOD AND WOOD BASED BOARDS• Temperature and humidity: During delivery, storage, fixing and to handover maintain

conditions to suit specified moisture contents of timber components.• Testing: When instructed, test components with approved moisture meter to

manufacturer's recommendations.

720 INSTALLATION GENERALLY• General: As Preliminaries section A33.• Fixing and fasteners: As section Z20.• Services: Not applicable.

770 TRIMS• Lengths: Wherever possible, unjointed between angles or ends of runs.• Running joints: Where unavoidable, obtain approval of location and method of jointing.• Angle joints: Mitred.

COMPLETION

910 GENERAL• Doors and drawers: Accurately aligned, not binding. Adjusted to ensure smooth operation.• Ironmongery: Checked, adjusted and lubricated to ensure correct functioning.

920 APPLIANCES• Test: Ensure that all functions and features work correctly.• Documentation: Submit guarantees, instruction manuals, etc.




N13Sanitary appliances and fittings

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clauses 333 & 429 added (Workshop sink & Coathook) / Clause

311 (handrails) / Tender21st Nov 2013


N13 Sanitary appliances andfittings


N13 Sanitary appliances and fittings


PRODUCTS

301 WCS AND CISTERNS -• WC standard: [To Defra WC suite performance specification or equivalent approved by

relevant water company.Type: [Wall hung against IPS system wall].Pan:- Standards: [To BS EN 33 and BS EN 997].- Manufacturer: [Armitage Shanks].

Product reference: [Contour 21].- Material: [Vitreous china, white].

Seat and cover:- Standard: [To BS 1254].- Manufacturer: [Armitage Shanks].

Product reference: [Contour 21].- Material: [Plastics].- Finish/ Colour: [White].

Cistern: Concealed- Manufacturer: Contractor's choice.

Product reference: Contractor's choice.- Material: Plastics.- Finish/ Colour: Not applicable.

• Flushing arrangement: WRAS approved.- Manufacturer: Contractor's choice.

Product reference: Contractor's choice.- Operating control: Push button, chrome plated.- Water supply connection: -.- Flush volume: Dual flush 6 or 4 L.

• Accessories: Concealed support frames.




311 UNISEX ACCESSIBLE CORNER WC EQUIPMENT PACKAGES (DOCUMENT M) -• Manufacturer: Armitage Shanks.

- Product reference: Contour 21 Doc M Pack.• Type approval certificate: Submit.• Finish/ Colour:

- Pan: Vitreous china, white.- Cistern: Plastics, white (concealed).- Seat: Plastics, white.- Basin: Manufacturer's standard.- Handrails and grab bars: Coated steel, dark grey / white to contrast with backgound

colour.• Transfer handing: As Architect's drawings.• Water supply fittings (basin): Lever operated basin mixer tap.

- Water supply temperature (maximum): 43°C.• Accessories:

- Clothes hooks;- Hand cleansing gel dispenser;- Hand drier;- Mirror;- Paper towel dispenser; and- Sanitary towel disposal bin.

332 SINKS CLEANER'S ROOM / BELFAST• Standard: To BS 1206.• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Size: 900 x 600 mm.• Material: Glazed fireclay, white.• Tap/ Chainstay/ Overflow holes:

- One tap hole, centre;- Chainstay hole; and- Overflow hole.

• Water supply fittings: Sink mixer taps.- Water supply temperature (maximum): 43°C.

• Accessories: None.

333 SINKS PROTOTYPING AND TENANT AREAS: WORKSHOP SINK • Standard: To BS 1206.• Manufacturer:

Healey & Lord LtdVulcan Road SouthNorwich, NorfolkNR6 6AFwww.healeyandlord.com .- Product reference: HLJCS01

Floor mounted bucket sink; or eq approved.• Size: 500 x 400 mm.• Material: Stainless steel.• Tap/ Chainstay/ Overflow holes:

- Hot/cold wall mounted bib taps;- Chainstay hole; and- Overflow hole.

• Water supply fittings: -.- Water supply temperature (maximum): 43°C.

• Accessories: None.




336 WASH BASINS - SEMI INSET• Manufacturer: Armitage Shanks.

- Product reference: Profile 21 - semi-countertop .• Size: -.• Material: Vitreous china, white.• Tap/ Chainstay/ Overflow holes:

Proximity detector tap (eg AS Sensorflow 21).• Accessories: inset into vanity unit.

344 VANITY UNITS WC'S• Size: Full width, to accommodate semi inset basins (clause 336).• Material: post formed plastic laminate faced square-edged, with coved rear upstand

100mm high.• Fixing: concealed

429 CLOTHES HOOKS WC'S• Manufacturer: Allgood.

- Product reference: 98230Alite coat hook.

• Material: Stainless steel.• Finish/ Colour: Satin.

458 SOAP DISPENSERS WC'S• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Material: Chrome / glass.• Finish/ Colour: -.

460 TOILET BRUSH HOLDERS WC'S• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Material: Chrome.• Finish/ Colour: -.

462 TOILET PAPER HOLDERS WC'S• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Material/ finish: Chrome.• Finish/ Colour: Chrome.

472 HAND DRIERS WC'S• Standard: To BS EN 60335-2-23.• Type: Airblade.• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Operation: Automatic.• Heater power rating: -.• Enclosure: -.

- Colour: -.• Fixing arrangement: Surface.• Ingress protection to BS EN 60529: -.• Noise level at 1 m (maximum): -.• Features: -.




EXECUTION

610 INSTALLATION GENERALLY• Assembly and fixing: Surfaces designed to falls to drain as intended.• Fasteners: Nonferrous or stainless steel.• Supply and discharge pipework: Fix before appliances.• Fixing: Fix appliances securely to structure. Do not support on pipework.• Jointing and bedding compounds: Recommended by manufacturers of appliances,

accessories and pipes being jointed or bedded.• Appliances: Do not use. Do not stand on appliances.• On completion: Components and accessories working correctly with no leaks.• Labels and stickers: Remove.

613 COMPATIBILITY OF COMPONENTS• General: Each sanitary assembly must consist of functionally compatible components,

preferably obtained from a single manufacturer.- Exceptions: Water supply fittings, wastes and traps.

620 NOGGINGS AND BEARERS• Noggings, bearers, etc. to support sanitary appliances and fittings: Position accurately. Fix

securely.

630 TILED BACKGROUNDS OTHER THAN SPLASHBACKS• Timing: Complete before fixing appliances.• Fixing appliances: Do not overstress tiles.

650 INSTALLING WC PANS• Floor mounted pans: Screw fix and fit cover caps over screw heads. Do not use mortar or

other beddings.• Seat and cover: Stable when raised.

660 INSTALLING SLAB URINALS• Waterproofing of walls and floor (specified elsewhere): Completed before fixing urinal

components.• Gap between components: 3 mm.• Space behind channels and slabs: Grout with 1:5 cement:sand grout.• Pointing: Rake out joints to 10 mm depth. Point flush with waterproof jointing compound

recommended by urinal manufacturer.

670 INSTALLING CISTERNS• Cistern operating components: Obtain from cistern manufacturer.

- Float operated valve: Matched to pressure of water supply.• Overflow pipe: Fixed to falls and located to give visible warning of discharge.

- Location: Agreed, where not shown on drawings.

710 INSTALLING TAPS• Fixing: Secure against twisting.• Seal with appliance: Watertight.• Positioning: Hot tap to left of cold tap as viewed by user of appliance.

720 INSTALLING WASTES AND OVERFLOWS• Bedding: Waterproof jointing compound.• Fixing: With resilient washer between appliance and backnut.




755 SEALANT BEDDING AND POINTING• Bedding: Bed sinks to top of worktops. .• Pointing: Joints between appliances and walls. .




N15Internal fire and safety signage systems

No.


Purpose



N15 Internal fire and safetysignage systems


N15 Internal fire and safety signage systems


GENERAL

110 FIRE SIGNAGE SYSTEMS FOR ESCAPE ROUTE• System manufacturer: Contractor's choice .

- Product reference: Submit proposals .• Layout and dimensions:

Coordinate with MEP contractor in respect of illuminated signs, to provide a completeinstallation to the satisfaction of the BCO and Fire Officer.Non-illuminated signs:In accordance with BS. Submit proposals .- Language: English.

• Sign type: Submit proposals .- Manufacturing process: Manufacturer's standard .

• Supports/ Fixings: Submit proposals .• Accessories: Not required .

SYSTEM PERFORMANCE

210 GENERAL REQUIREMENTS• Signage system design:

- Complete to: BS 559 and BS ISO 16069.- Comply with the requirements of: BCO and Fire Officer .

• Proposals: Submit drawings, schedules, technical information, calculations andmanufacturer's literature.

240 SIGNAGE SYSTEM SPECIFICATION• Content: Signs including facing information, components, inserts, accessories and fixings

necessary to complete the system.• Geometric shapes, colours and layout: To BS ISO 3864-1.• Escape route: In accordance with BS 5499-4 and BS ISO 16069.• Safety meaning: In accordance with BS ISO 7010.• Water safety: In accordance with BS ISO 20712-1.

270 FIRE REACTION OF FIRE SIGNAGE SYSTEM• Non flammable surface:

- Standard: Class 1 to BS 476-7 .

280 DESIGN LIFE OF FIRE SIGNAGE SYSTEM• Duration: 15 years .

- Subject to reasonable wear and tear.• Condition of use: Subject to regular maintenance.

290 SIGNAGE SAMPLES• Sign type: Fire .

- Action: Submit labelled samples.- Conformity: Retain samples on site for the duration of the contract or until instructed to

remove.- Delivered products: To conform with labelled samples.




PRODUCTS

305 INTERNAL SIGNAGE PRODUCTS GENERALLY• Standard: To BS 559.• Colorimetric and photometric properties: To BS ISO 3864-4.

EXECUTION

610 FIXING SIGNS GENERALLY• Installation: To BS 559.

- Secure, plumb and level.• Fasteners and adhesives: As section Z20.• Strength of fasteners: Sufficient to support live and dead loads.• Fasteners for external signs: Corrosion resistant material or with a corrosion resistant

finish. Isolate dissimilar metals to avoid electrolytic corrosion.• Fixings showing on surface of sign: Must not detract from the message being displayed.

COMPLETION

910 DOCUMENTATION• Submit:

- Manufacturer's maintenance instructions.- Guarantees, warranties, test certificates, record schedules and logbooks.




P10Sundry insulation/ proofing work

No.


Purpose



P10 Sundry insulation/ proofingwork


P10 Sundry insulation/ proofing work


TYPES OF INSULATION

218 INSULATION SLABS FIXED TO SLAB EDGE (GROUND FLOOR)• Manufacturer: Contractor's choice.

- Product reference: Submit proposals.• Material: Contractor's choice faced with coloured fibre cement board (to match Rainscreen

cladding).• Recycled content: Contractor's choice.• Thickness: 75 mm.• Installation requirements:

- Joints: Butted, no gaps. Fit insulation tightly between/ around cladding supports.- Fasteners: Contractor's choice; Submit proposals.


P10 Sundry insulation/ proofingwork


P20Unframed isolated trims/ skirtings/ sundry items

Revision 2.0

No.


Purpose

1.0 Tender 7th Nov 20132.0 Clause 201 added (Window boards) / Tender 2nd Dec 2013


P20 Unframed isolated trims/ skirtings/ sundry items




150 METAL CORNER PROTECTIONTo exposed corners in ASSEMBLY AND WORKSHOP BUILDINGS.

• Material: Stainless steel to BS EN 10088-2, grade 1.4301 (304).- Thickness: Contractor's choice.

- Side dimension: 150mm.- Height: 2.7m.

• Finish: Satin.• Fixing: Plugged and screwed.• Metalwork: As section Z11.

200 MEDIUM DENSITY FIBREBOARD SKIRTINGS• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Standard: To BS EN 622-5.

- Type: Moisture resistant MDF.- Formaldehyde class: To BS EN 622-1, Class E1.

• Fire rating: Class 0 as defined in Building Regulations.• Thickness: 15 mm.• Height: 100mm.• Edges: Pencil rounded.• Finish: Prepared and primed as section M60 .• Recycled content: Contractor's choice.• Support/ Fixing: Contractor's choice.

201 MEDIUM DENSITY FIBREBOARD WINDOW BOARDS• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Standard: To BS EN 622-5.

- Type: Moisture resistant MDF.- Formaldehyde class: To BS EN 622-1, Class E1.

• Fire rating: Class 0 as defined in Building Regulations.• Thickness: 25 mm• Edges: Pencil rounded.• Finish: Prepared and primed as section M60 .• Recycled content: Contractor's choice.• Support/ Fixing: Contractor's choice.

EXECUTION

510 INSTALLATION GENERALLY• Joinery workmanship: As section Z10.• Metal workmanship: As section Z11.• Methods of fixing and fasteners: As section Z20 where not specified.• Straight runs: To be in one piece, or in long lengths with as few joints as possible.• Running joints: Location and method of forming to be agreed where not detailed.• Joints at angles: Mitre, unless shown otherwise.• Position and level: To be agreed where not detailed.




P21Door/ window ironmongery

No.


Purpose



P21 Door/ window ironmongery Tender Page 138 of 189

P21 Door/ window ironmongery


PRE-TENDER

10 QUANTITIES AND LOCATIONS• Quantities and locations of ironmongery are to be scheduled by the Contractor to suit

individual doors and locations .• Fixing: As sections L10 and L20.

GENERAL

125 IRONMONGERY FROM SINGLE PROPRIETARY RANGE• Manufacturer:

Allgood plcwww.allgood.co.uk .- Product reference: Alite range .

• Principal material/ finish: Satin stainless steel, grade 304 .• Office door locks: fit free issue card reader locks.• Internal timber door leafs to have satin stainless steel kick plates both plates.• Internal doors in Project, Prototyping & Tenant Areas to have half-height satin stainless

steel crash plates both sides.• All manual external doors to have door closers.• Items unavailable within selected range: Submit proposals.

141 SAMPLE BOARDS• General: Before placing orders with suppliers submit a sample board, containing labelled

samples of ironmongery and showing methods of fixing.• Range: Include visible ironmongery items .

- Conformity: Retain board on site in an approved location for the duration of the contract.Ensure conformity of ironmongery as delivered with labelled samples.

170 IRONMONGERY FOR FIRE DOORS• Relevant products: Ironmongery fixed to, or morticed into, the component parts of a fire

resisting door assembly.• Compliance: Ironmongery included in successful tests to BS 476-22 or BS EN 1634-1 on

door assemblies similar to those proposed.- Certification: Submit evidence of successful testing by UKAS accredited laboratory .

• Melting point of components (except decorative non functional parts): 800°C minimum.


P21 Door/ window ironmongery Tender Page 139 of 189

Q10Kerbs/ edgings/ channels/ paving accessories

No.


Purpose



Q10 Kerbs/ edgings/ channels/ paving accessories




TYPES OF KERBS/EDGINGS AND CHANNELS

112 PRECAST CONCRETE EDGINGSTo Back of fotpath and gravel-filled mowing strips

• Standard: To BS EN 1340.• Recycled content: Contractor's choice.• Designations: EF Edging, flat top.• Size (width x height x length): 50 x 150 x 915 mm.• Special shapes: None.• Finish: To match existing kerbst.• Colour: To match existing kerbs.• Bending strength: Class 1.• Weathering resistance: Submit proposal.• Abrasion resistance: Submit proposal.• Slip/ skid resistance: N/a.• Bedding: Fresh concrete races.• Joints generally: Narrow mortar.• Sealant movement joints: N/a.• Accessories: None.

113 PRECAST CONCRETE KERBS• Standard: To BS EN 1340.• Recycled content: Contractor's choice.• Designations: To match existing.• Size (width x height x length): To match existing.• Special shapes: None.• Finish: To match existing kerbs.• Colour: To match existing kerbs.• Bending strength: Class 2.• Weathering resistance: Submit proposal.• Abrasion resistance: Submit proposal.• Slip/ skid resistance: N/a.• Bedding: Fresh concrete races.• Joints generally: To match existing.• Sealant movement joints: N/a.• Accessories: None.

170 LINEAR SLOT DRAINAGE CHANNEL SYSTEMS• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Bore: Contractor's design.• Finish: As cast.• Colour: Natural.• Accessories: as required for the complete installation, connected to existing drain.• Bedding: Contractor's design.• Joints generally: Drain unions as required.




ROADS/PAVING ACCESSORIES/MARKING

LAYING

510 LAYING KERBS, EDGINGS AND CHANNELS• Cutting: Neat, accurate and without spalling. Form neat junctions.

- Long units (450 mm and over) minimum length after cutting: 300 mm.- Short units minimum length after cutting: The lower of one third of their original length or

50 mm.• Bedding of units: Positioned true to line and levelled along top and front faces, in a mortar

bed on accurately cast foundations or on a race of fresh concrete.• Securing of units: After bedding has set, secured with a continuous haunching of concrete

or on a race of fresh concrete with backing concrete cast monolithically.

520 ADVERSE WEATHER• Conditions: Do not construct if the temperature is below 3°C on a falling thermometer or 1°

C on a rising thermometer. Adequately protect foundations, bedding and haunchingagainst frost and rapid drying by sun and wind.

530 CONCRETE FOR FOUNDATIONS, RACES AND HAUNCHING• Standard: To BS 8500-2.• Designated mix: Not less than GEN0 or Standard mix ST1.• Workability: Very low.

540 CEMENT MORTAR BEDDING• General: To section Z21.• Mix (Portland cement:sand): 1:3.

- Portland cement: Class CEM I 42.5 to BS EN 197-1.- Sand: to BS EN 12620, grade 0/4 or 0/2 (MP).

• Bed thickness: 12-40 mm.

547 BEDDING/BACKING OF UNITS ON FRESH CONCRETE RACES• Standard: To BS 7533-6.

550 KERB DOWELS• Dowels: Steel bar to BS 4482.

- Size: 12 mm diameter, 150 mm long.• Installation of dowels: Vertically into foundation while concrete is plastic.

- Centres: To suit holes in kerbs.- Projection: 75 mm.

• Grouting of holes in kerbs: Filled with 1:3 cement:sand mortar finished flush.

560 HAUNCHING DOWELS• Dowels: Steel bar to BS 4482.

- Size: 12 mm diameter, 150 mm long.• Installation of dowels: Vertically into foundation while concrete is plastic.

- Centres: 450 mm.- Distance from back face of kerb: 50 mm.- Projection: 75 mm.

• Haunching: Rectangular cross section, cast against formwork, fully enclosing andprotecting dowels.

570 CHANNELS• Installation: To an even gradient, without ponding or backfall.• Lowest points of channels: 6 mm above drainage outlets.




580 DRAINAGE CHANNEL SYSTEMS• Installation: To an even gradient, without ponding or backfall. Commence laying from

outlets.• Silt and debris: Removed from entire system immediately before handover.• Washing and detritus: Safely disposed without discharging into sewers or watercourses.

590 DRAINAGE CHANNEL SYSTEMS WITH BUILT IN FALL• Installation: Top of channels level, installed in correct sequence to form an even gradient

without ponding or backfall. Commence laying from outlets. • Silt and debris: Removed from entire system immediately before handover.• Washings and detritus: Safely disposed without discharging into sewers or watercourses.

600 RADIUS KERBS/CHANNELS• Usage: Radii of 15 m or less.

610 ANGLE KERBS• Usage: Internal and external 90° changes of direction.• Cutting of mitres: Not permitted.

620 ACCURACY• Deviations (maximum):

- Level: ± 6 mm.- Horizontal and vertical alignment: 3 mm in 3 m.

625 REGULARITY OF PAVED SURFACES• Maximum undulation of (non-tactile) paving surface: 3 mm.

- Method of measurement: Under a 1 m straight edge placed anywhere on the surface(where appropriate in relation to the geometry of the surface).

• Difference in level between adjacent units (maximum):- Joints flush with the surface: Twice the joint width (with 5 mm max difference in level).- Recessed, filled joints: 2 mm.

Recess depth (maximum): 5 mm.- Unfilled joints: 2 mm.

• Sudden irregularities: Not permitted.

630 NARROW MORTAR JOINTS• Jointing: Ends of units buttered with bedding mortar as laying proceeds. Joints completely

filled, tightly butted and surplus mortar removed immediately.- Joint width: 3 mm.

640 TOOLED MORTAR JOINTS• Jointing: Ends of units buttered with bedding mortar as laying proceeds. Joints completely

filled and tooled to a neat flush profile.- Joint width: 6 mm.




Q22Asphalt roads/ pavings

No.


Purpose



Q22 Asphalt roads/ pavings Tender Page 144 of 189

Q22 Asphalt roads/ pavings


TYPES OF PAVING

151 LIGHT DUTY MASTIC ASPHALT PAVING FOOTPATH• Footpath to match existing footpath in material, surface treatment and colour.• Subgrade improvement layer: Submit proposals.• Preparatory work: To contractor's design.• Granular sub-base: Submit proposals.• Base: To contractor's design.• Surface course: To match existing footpath.

- Manufacturer: Submit proposals.Product reference: Submit proposals.

• Surface finish: To achieve minimum PTV of 45 to BS 7976.• Edge restraints: To match existing footpath.• Embedded features: None.• Surface features: To match existing footpath.• Other requirements: None.

PREPARATORY WORK/ REQUIREMENTS

220 BITUMINOUS MATERIALS GENERALLY• Suppliers names: Submit.

- Timing (minimum): Two weeks before starting work.• Test certificates: At the time of delivery for each manufacturing batch submit certificate:

- Confirming compliance with this specification and the relevant standard.- Stating full details of composition of mix.

240 ACCEPTANCE OF SURFACES• Surface: Sound, clean and suitably close textured.• Level tolerances: To BS 594987.• Kerbs and edgings: Complete, adequately bedded and haunched and to the required

levels.

LAYING

310 LAYING GENERALLY• Preparation: Remove all loose material, rubbish and standing water.• Adjacent work: Form neat junctions. Do not damage.• Channels, kerbs, inspection covers etc: Keep clean.• New paving:

- Keep traffic free until it has cooled to prevailing atmospheric temperature.- Do not allow rollers to stand at any time.- Prevent damage.- Lines and levels: With regular falls to prevent ponding.- Overall texture: Smooth, even and free from dragging, tearing or segregation.- State on completion: Clean.



320 ADVERSE WEATHER• Frozen materials: Do not use.• Suspend laying:

- During freezing conditions- If the air temperature reaches 0°C, or in calm dry conditions -3°C, on a falling

thermometer.- Hot rolled asphalt: During periods of continuous or heavy rain or if there is standing

water on the base.

330 LEVELS• Permissible deviation from the required levels, falls and cambers (maximum): In

accordance with BS 594987, clause 5.2.

340 FLATNESS/ SURFACE REGULARITY• Deviation of surface: Where appropriate in relation to the geometry of the surface, the

variation in gap under a 3 m straightedge placed anywhere on the surface to be not morethan:- Base: 25 mm.- Binder course: 13 mm.- Surface course: Hand laid, 10 mm.- Where a straightedge cannot be used the surface must be of a comparable standard of

accuracy when judged by eye.

351 CONTRACTOR'S USE OF PAVEMENTS• Preparation for final surfacing:

- Timing: Defer laying until as late as practicable.- Immediately before laying final surfacing: Clean and make good the base/ binder course.

Allow to dry.- Adhesion: Submit proposals.

Application rate: As manufacturer's recommendation.Accuracy: Uniform, without puddles.

- Finishing: Allow emulsion to break completely before applying surface.



Q23Gravel/ Hoggin/ Woodchip/ Resin bound roads/

pavings/ overlays

No.


Purpose



Q23 Gravel/ Hoggin/ Woodchip/ Resin bound roads/ pavings/ overlays




TYPES OF SURFACING

160 LOOSE GRAVEL MOWING STRIP• Subgrade improvement layer: Not required.

- Compacted thickness: Not applicable.• Granular sub-base: Contractor's choice.

- Compacted thickness: Contractor's choice.• Blinding to sub-base: Non-woven weed mat.• Gravel: Loose laid and raked to uniform thickness.

- Type: Locally sourced - submit proposals.- Source: Contractor's choice.- Colour: Submit proposals.- Size: Graded 10-20 mm.- Thickness: 50 mm.

LAYING

315 MATERIALS• Compatibility: Chippings suitable for use with respective binders/ emulsions/ resin/ epoxy.

320 SAMPLES• Submit: Representative samples of gravel as clause 160.

340 LAYING GENERALLY• Channels, gullies, etc: Keep clear.• Finished surfaces:

- Lines and levels: To prevent ponding.- Overall texture: Even.- State at completion: Clean.

350 COLD WEATHER WORKING• Frozen materials: Do not use.• Freezing conditions: Do not lay pavings.• Cold bituminous surface dressings: Do not apply when ambient temperature is below 10°C.• Other dressings or overlays: As manufacturers' recommendations.

360 DRAINAGE FALLS• Sealed surfaces:

- Falls and cross falls (minimum): 1:40.- Camber (minimum): 1:50.

• Unsealed surfaces (minimum): 1:30.

370 LAYING GRANULAR SURFACES IN VEHICULAR AREAS• Permissible deviation from required levels, falls and cambers (maximum): ±20mm.• General: Spread and level in 150 mm maximum layers. As soon as possible compact each

layer.• Dry weather: Lightly water layers during compaction.




380 LAYING GRANULAR SURFACES IN PEDESTRIAN AREAS• Permissible deviation from required levels, falls and cambers (maximum): ±12 mm.• General: Spread and level in 100 mm maximum layers. As soon as possible, compact

each layer.• Dry weather: Lightly water layers during compaction.

390 PROTECTION FROM TRAFFIC AND PLANT• Paved areas: Restrict access to prevent damage.




Q30Seeding/ turfing

No.


Purpose



Q30 Seeding/ turfing Tender Page 150 of 189

Q30 Seeding/ turfing

To be read in conjunction with Section A of this Specification and Architectural drawings,and Structural and MEP drawings and Specifications.Where proprietary products are specified they shall be deemed to be 'or equal approved'

GENERAL INFORMATION/REQUIREMENTS

115 SEEDED AND TURFED AREAS• Growth and development: Healthy, vigorous grass sward, free from the visible effects of

pests, weeds and disease.• Appearance: A closely knit, continuous ground cover of even density, height and colour.

120 CLIMATIC CONDITIONS• General: Carry out the work while soil and weather conditions are suitable.

145 WATERING• Quantity: Wet full depth of topsoil.• Application: Even and without displacing seed, seedlings or soil.• Frequency: As necessary to ensure the establishment and continued thriving of all

seeding/turfing.

150 WATER RESTRICTIONS• Timing: If water supply is or is likely to be restricted by emergency legislation do not carry

out seeding/turfing until instructed. If seeding/turfing has been carried out, obtaininstructions on watering.

160 NOTICE• Give notice before:

- Setting out.- Applying herbicide.- Applying fertilizer.- Preparing seed bed.- Seeding or turfing.- Visiting site during maintenance period.

• Period of notice: 1 week.

170 SETTING OUT• Boundaries: Mark clearly.• Delineation: In straight lines or smoothly flowing curves as shown on drawings.

PREPARATION

210 HERBICIDE FOR ALL MOWN GRASSED AREAS• Type: Suitable for suppressing perennial weeds.• Timing: Allow fallow period before cultivation.

- Duration: As manufacturer's recommendation.



280 FINAL CULTIVATION• Timing: After grading and fertilizing.• Seed bed: Reduce to fine, firm tilth with good crumb structure.

- Depth: 25 mm.- Surface preparation: Rake to a true, even surface, friable and lightly firmed but not over

compacted.- Remove surface stones/earth clods exceeding:

General areas: 40-50.Fine lawn areas: 10 mm.

• Adjacent levels: Extend cultivation into existing adjacent grassed areas sufficient to ensurefull marrying in of levels.

SEEDING

310 GRASS SEED FOR MOWN GRASSED AREAS• Mixture: Submit proposal.• Application rate: To manufacturer's recommendation.

319 QUALITY OF SEED FOR ALL GRASSED AREAS• Freshness: Produced for the current growing season.• Certification: Blue label certified varieties.

- Standard: EC purity and germination regulations.- Official Seed Testing Station certificate of germination, purity and composition: Submit

when requested. • Samples of mixtures: Submit when requested.

330 SOWING• General: Establish good seed contact with the root zone.• Method: To suit soil type, proposed usage, location and weather conditions during and

after sowing.- Distribution: 2 equal sowings at right angles to each other.

335 GRASS SOWING SEASON• Grass seed generally: April to October.

340 PRE-EMERGENT HERBICIDE FOR ALL GRASSED AREAS• Standard: Pesticide Safety Directorate approved.• Application rate: In accordance with manufacturer's written recommendation.

- Timing: Immediately after sowing.



361 REINFORCED GRASS SYSTEM MAINTENANCE STRIP• Manufacturer:

TDP Limited,Derby Road,Wirksworth,Derbyshire DE4 4BGwww.tdpltd.com.- Product reference: Netpave 50 or eq approved.

• Subgrade/ Preparation: Contractor's design to accommodate maintenance MEWP's.• Sub-base: compacted Highways Agency type 1 granular material, to contractor's design.

- Depth: To contractor's design.• Topsoil: As recommended by manufacturer.• Reinforced root zone:

- Composition: 60:40 sand:fine soil and polypropylene reinforcement.- Thickness: 50mm bedding layer / 50mm within reinforcement system.- Consolidation: Level and lightly consolidate with vibrating roller.

• Topping layer: Not required.- Composition: -.- Thickness: -.

• Fertilizer: For road verges.• Grass cover: Grass seed for road verges.

PROTECTING/CUTTING

510 PROTECTIVE FENCING• Fencing type: Contractor's choice.

- Height: 1.2 m.• Erection: On completion of seeding/ turfing.• Removal: After grass is well established. Fencing will remain the property of the Contractor.

530 FIRST CUT OF GRASSED AREAS• Timing: When grass is reasonably dry.

- Height of initial growth: 40-75 mm.• Preparation:

- Debris and litter: Remove.- Stones and earth clods larger than 25 mm in any dimension: Remove

• Height of first cut: 40 mm.• Mower type: Contractor's choice.• Arisings: Spread evenly over cut areas.

590 CLEANLINESS• Soil and arisings: Remove from hard surfaces.• General: Leave the works in a clean, tidy condition at Completion and after any

maintenance operations.

MAINTENANCE

610 FAILURES OF SEEDING/TURFING• Duration: Carry out the following operations from completion of seeding/ turfing until: the

end of the rectification period.• Defective materials or workmanship: Areas that have failed to thrive.

- Exclusions: Theft or malicious damage.• Method of making good: Recultivation and reseeding/ returfing.• Timing of making good: Submit proposals.



620 MAINTAINING GENERAL GRASSED AREAS• Duration: Carry out the following operations from completion of seeding/ turfing until: the

end of the rectification period.• Maximum height of growth at any time: 40-50 mm.• Preparation: Before each cut remove all litter and debris.• Cutting: As and when necessary to a height of 25 mm.

- Arisings: Remove.• Bulb planting areas: Do not cut until bulb foliage has died down.• Trimming: All edges.

- Arisings: Remove.• Weed control: Substantially free of broad leaved weeds.

- Method: Application of a suitable selective herbicide.• Stones brought to the surface: Remove regularly.

- Size: Exceeding 25 mm in any dimension.• Areas of settlement: Make good.• Watering: as clause 145.

680 MAINTENANCE FERTILIZER FOR ALL GRASSED AREAS EXCEPT WILDFLOWERMEADOWS

• Duration: Carry out the following operations from completion of seeding/ turfing until: theend of the rectification period.

• March application: 15:10:10 Spring turf fertilizer at 35 g/m².• September application: 5:10:10 Autumn turf fertilizer at 50 g/m².



Q50Site/ street furniture/ equipment

No.


Purpose



Q50 Site/ street furniture/ equipment




GATES, BARRIERS AND PARKING CONTROLS

190 BOLLARDS PEDESTRIAN• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Material: Steel.

- Finish as delivered: Hot dip galvanized to BS EN ISO 1461 and Painted, as section M60.

- Colour: To BS 4800, 00 E 53 black .• Height above ground: 900 mm.• Special features: White reflective band, 150 mm high at top of bollard.• Method of fixing: Below ground, contractor's choice.

191 BOLLARDS VEHICLE IMPACT• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Material: Steel, concrete filled, min 200mm dia.

- Finish as delivered: Hot dip galvanized to BS EN ISO 1461 and Painted, as section M60.

- Colour: To BS 4800, black and yellow horizontal stripes.• Height above ground: 900 mm.• Special features: None.• Method of fixing: Below ground, contractor's choice.

INSTALLATION

510 CONCRETE FOUNDATIONS GENERALLY• Standard: To BS 8500-2.• Concrete: Contractor's choice.• Admixtures: Do not use.• Foundation holes: Neat vertical sides.• Depth of foundations, bedding, haunching: Appropriate to provide adequate support and to

receive overlying soft landscape or paving finishes.

515 SETTING COMPONENTS IN CONCRETE• Holes: Submit proposals.• Components: Accurately positioned and securely supported.• Concrete fill: Fully compacted as filling proceeds.• Concrete foundations exposed to view: Compacted until air bubbles cease to appear on

the upper surface, then weathered to shed water and trowelled smooth.• Temporary component support: Maintain undisturbed for minimum 48 hours.

530 PRESERVATIVE TREATED TIMBER• Surfaces exposed by minor cutting and drilling: Treated by immersion or with two flood

coats of a solution recommended for the purpose by main treatment solution manufacturer.• Heavily worked sections: Re-treat.




540 BUILDING IN TO MASONRY WALLS• Components being built in: Accurately positioned and securely supported. Set in mortar

and pointed neatly to match adjacent walling.• Temporary support: Maintain for 48 hours (minimum) and prevent disturbance.

545 ERECTION OF TIMBER AND PREFABRICATED STRUCTURES• Checking: 5 days (minimum) before proposed erection date, check foundations, holding

down bolts, etc.• Inaccuracies or defects in prepared bases or supplied structures: Report immediately.

Obtain instructions before proceeding.

550 DAMAGE TO GALVANIZED SURFACES• Minor damage in areas up to 40 mm² (including on fixings and fittings): Make good.

- Material: Low melting point zinc alloy repair rods or powders made for this purpose or atleast two coats of zinc-rich paint to BS 4652.

- Thickness: Sufficient to provide a zinc coating at least equal to the original layer.

560 SITE PAINTING• Timing: Prepare surfaces and apply finishes as soon as possible after fixing.




R10Rainwater drainage systems

No.


Purpose



R10 Rainwater drainage systems Tender Page 158 of 189

R10 Rainwater drainage systems


GENERAL

SYSTEM PERFORMANCE

210 DESIGN• Design: Complete the design of the rainwater drainage system.• Standard: To BS EN 12056-3, clauses 3-7 and National Annexes.• Proposals: Submit drawings, technical information, calculations and manufacturers'

literature.

221 COLLECTION AND DISTRIBUTION OF RAINWATER• General: Complete, and without leakage or noise nuisance.

230 DESIGN PARAMETERS - GENERAL• Roof and gutter construction and finish:

- Roof: Kalzip aluminium standing seam roof.- Gutter: insulated lined galvanised steel concealed gutter.- Include flow baffles in sloping section.- Include overflows as indicated on Architect's drawings.

• Design rate of rainfall: As BS EN 12056-3, National Annex NB.2.- Category: Contractor's design.

• Design life of building: 60 years.• Available capacity of existing below ground drainage (maximum): Contractor to determine.

PRODUCTS

371 ALUMINIUM PIPEWORK• Standard: Agrément certified.• Manufacturer: Contractor's choice.

- Product reference: Contractor's choice.• Finish PPC.• Colour: As Architect's Colour Schedule.

FABRICATION

EXECUTION

600 PREPARATION• Work to be completed before commencing work specified in this section:

- Below ground drainage. Alternatively, make temporary arrangements for dispersal of rainwater without damage or disfigurement of the building fabric and surroundings.

- Painting of surfaces which will be concealed or inaccessible.



605 INSTALLATION GENERALLY• Electrolytic corrosion: Avoid contact between dissimilar metals where corrosion may occur.• Plastics and galvanized steel pipes: Do not bend.• Allowance for thermal and building movement: Provide and maintain clearance as fixing

and jointing proceeds.• Protection:

- Fit purpose made temporary caps to prevent ingress of debris.- Fit access covers, cleaning eyes and blanking plates as the work proceeds.

635 FIXING PIPEWORK• Pipework: Fix securely, plumb and/ or true to line.• Branches and low gradient sections: Fix with uniform and adequate falls to drain efficiently.• Externally socketed pipes and fittings: Fix with sockets facing upstream.• Additional supports: Provide as necessary to support junctions and changes in direction.• Vertical pipes:

- Provide a loadbearing support at least at every storey level.- Tighten fixings as work proceeds so that every storey is self supporting.- Wedge joints in unsealed metal pipes to prevent rattling.

• Wall and floor penetrations: Isolate pipework from structure.- Pipe sleeves: As section P31.- Masking plates: Fix at penetrations if visible in the finished work.

• Expansion joint pipe sockets: Fix rigidly to buildings. Elsewhere, provide brackets andfixings that allow pipes to slide.

650 JOINTING PIPEWORK AND GUTTERS• General: Joint with materials and fittings that will make effective and durable connections.• Jointing differing pipework and gutter systems: Use adaptors intended for the purpose.• Cut ends of pipes and gutters: Clean and square. Remove burrs and swarf. Chamfer pipe

ends before inserting into ring seal sockets.• Jointing or mating surfaces: Clean and, where necessary, lubricate immediately before

assembly.• Junctions: Form with fittings intended for the purpose.• Jointing material: Strike off flush. Do not allow it to project into bore of pipes and fittings.• Surplus flux, solvent jointing materials and cement: Remove.

690 ELECTRICAL CONTINUITY - PIPEWORK• Joints in metal pipes with flexible couplings: Clips (or suitable standard pipe couplings)

supplied for earth bonding by pipework manufacturer to ensure electrical continuity.

695 ELECTRICAL CONTINUITY - GUTTERS• Joints in metal gutters: Purpose made links supplied by the gutter manufacturer to ensure

electrical continuity.

700 ACCESS FOR TESTING AND MAINTENANCE• General: Install pipework and gutters with adequate clearance to permit testing, cleaning

and maintenance, including painting where necessary.• Access fittings and rodding eyes: Position so that they are not obstructed.



COMPLETION

900 TESTING GENERALLY• Dates for testing: Give notice.

- Period of notice (minimum): 14 days.• Preparation:

- Pipework: Complete, securely fixed, free from defects, obstruction and debris beforetesting.

• Testing:- Supply clean water, assistance and apparatus.- Do not use smoke to trace leaks.

• Records: Submit a record of tests.

910 GUTTER TEST• Preparation: Temporarily block all outlets.• Testing: Fill gutters to overflow level and after 5 minutes closely inspect for leakage.

915 MAINTENANCE INSTRUCTIONS• General: At completion, submit printed instructions recommending procedures for

maintenance of the rainwater installation, including full details of recommended inspection,cleaning and repair procedures.

920 IMMEDIATELY BEFORE HANDOVER• Construction rubbish, debris, swarf, temporary caps and fine dust which may enter the

rainwater system: Remove. Do not sweep or flush into the rainwater system.• Access covers, rodding eyes, outlet gratings and the like: Secure complete with fixings.



Z10Purpose made joinery

No.


Purpose



Z10 Purpose made joinery Tender Page 162 of 189

Z10 Purpose made joinery


110 FABRICATION• Standard: To BS 1186-2.• Sections: Accurate in profile and length, and free from twist and bowing. Formed out of

solid unless shown otherwise.- Machined surfaces: Smooth and free from tearing, wooliness, chip bruising and other

machining defects.• Joints: Tight and close fitting.• Assembled components: Rigid. Free from distortion.• Screws: Provide pilot holes.

- Screws of 8 gauge (4 mm diameter) or more and screws into hardwood: Provideclearance holes.

- Countersink screws: Heads sunk at least 2 mm below surfaces visible in completedwork.

• Adhesives: Compatible with wood preservatives applied and end uses of timber.

120 CROSS SECTION DIMENSIONS OF TIMBER• General: Dimensions on drawings are finished sizes.• Maximum permitted deviations from finished sizes:

- Softwood sections: To BS EN 1313-1:-Clause 6 for sawn sections.

- Hardwood sections: To BS EN 1313-2:-Clause 6 for sawn sections.Clause NA.3 for further processed sections.

130 PRESERVATIVE TREATED WOOD• Cutting and machining: Completed as far as possible before treatment.• Extensively processed timber: Retreat timber sawn lengthways, thicknessed, planed,

ploughed, etc.• Surfaces exposed by minor cutting and/ or drilling: Treat as recommended by main

treatment solution manufacturer.

140 MOISTURE CONTENT• Wood and wood based products: Maintained within range specified for the component

during manufacture and storage.

210 LAMINATED PLASTICS VENEERED BOARDS/ PANELS• Fabrication: To British Laminated Plastics Fabricators Association Ltd (BLF) fabricating

standards.• Balancing veneer: From decorative veneer manufacturer and of similar composition.

Applied to reverse side of core material.• Finished components: Free from defects, including bow, twist, scratches, chipping, cracks,

pimpling, indentations, glue marks, staining and variations in colour and pattern.• Joints visible in completed work: Tight butted, true and flush.



220 WOOD VENEERED BOARDS/ PANELS• Core material and veneers: Conditioned before bonding.• Setting out: Veneer features and grain pattern aligned regularly and symmetrically unless

instructed otherwise.• Balancing veneer: Applied to reverse side of core material.

- Moisture and temperature movement characteristics: As facing veneer.• Veneer edges: Tight butted and flush, with no gaps.• Tolerance of veneer thickness (maximum): ± 0.5 mm.• Finished components: Free from defects, including bow, twist, scratches, chipping, splits,

blebs, indentations, glue marks and staining.• Surface finish: Fine, smooth, free from sanding marks.

250 FINISHING• Surfaces: Smooth, even and suitable to receive finishes.

- Arrises: Eased unless shown otherwise on drawings.• End grain in external components: Sealed with primer or sealer as section M60 and

allowed to dry before assembly.



Z11Purpose made metalwork

No.


Purpose



Z11 Purpose made metalwork Tender Page 165 of 189

Z11 Purpose made metalwork


310 MATERIALS GENERALLY• Grades of metals, section dimensions and properties: To appropriate British Standards.

When not specified, select grades and sections appropriate for the purpose.• Prefinished metal: May be used if methods of fabrication do not damage or alter

appearance of finish, and finish is adequately protected.• Fasteners: To appropriate British Standards and, unless specified otherwise, of same

metal as component being fastened, with matching coating or finish.

320 STEEL LONG AND FLAT PRODUCTS• Hot rolled structural steels (excluding structural hollow sections and tubes): To BS EN

10025-1.• Fine grain steels, including special steels: To BS EN 10025-3 and -4.• Steels with improved atmospheric corrosion resistance: To BS EN 10025-5.

330 STEEL PLATE, SHEET AND STRIP• Plates and wide flats, high yield strength steel: To BS EN 10025-6.

340 HOT ROLLED STEEL PLATE, SHEET AND STRIP• Flat products, high yield strength for cold forming: To BS EN 10149-1, -2 and -3.• Carbon steel sheet and strip for cold forming: To BS EN 10111.• Narrow strip, formable steel and steel for general engineering purposes: To BS 1449-1.8

and BS 1449-1.14.

350 COLD ROLLED STEEL PLATE, SHEET AND STRIP• Steel sections: To BS EN 10162.• Flat products, high yield strength micro-alloyed steels for cold forming: To BS EN 10268.• Carbon steel flat products for cold forming: To BS EN 10130 and BS EN 10131.• Uncoated carbon steel narrow strip for cold forming: To BS EN 10139 and BS EN 10140.• Narrow strip steel for general engineering purposes: To BS EN 10132-1, -2, and -3.• Carbon steel flat products for vitreous enamelling: To BS EN 10209.

360 COATED STEEL FLAT PRODUCTS• Hot dip zinc coated carbon steel sheet and strip for cold forming: To BS EN 10346 and BS

EN 10143.• Hot dip zinc coated structural steel sheet and strip: To BS EN 10143 and BS EN 10346.• Hot dip zinc-aluminium (za) coated sheet and strip: To BS EN 10346.• Hot dip aluminium-zinc (az) coated sheet and strip: To BS EN 10346.• Organic coated flat products: To BS EN 10169.

370 STEEL STRUCTURAL HOLLOW SECTIONS (SHS)• Non alloy and fine grain steels, hot finished: To BS EN 10210-1 and -2.• Non-alloy and fine grain steels, cold formed welded: To BS EN 10219-2.• Weather resistant steels, hot finished: To BS 7668.



380 OTHER STEEL SECTIONS• Equal flange tees: To BS EN 10055.• Equal and unequal angles: To BS EN 10056-1 and -2.• Wire, carbon steel for general engineering purposes: To BS 1052.• Wire and wire products, general: To BS EN 10218-2.• Tubes:

- Seamless circular: To BS EN 10297-1.- Seamless cold drawn: To BS EN 10305-1.- Welded and cold sized square and rectangular: To BS EN 10305-5.- Welded circular: To BS EN 10296-1.- Welded cold drawn: To BS EN 10305-2.- Welded cold sized: To BS EN 10305-3.

400 STAINLESS STEEL PRODUCTS• Chemical composition and physical properties: To BS EN 10088-1.• Sheet, strip and plate: To BS EN 10088-2.• Semi-finished products bars, rods and sections: To BS EN 10088-3.• Wire: To BS EN 1088-3.• Tubes:

- Welded circular: To BS EN 10296-2.- Seamless circular: To BS EN 10297-2.

410 ALUMINIUM ALLOY PRODUCTS• Designations:

- Designation system, chemical composition and forms: To BS EN 573-1, -2, -3 and -5.- Temper designations: To BS EN 515.

• Sheet, strip and plate: To BS EN 485-1 to -4.• Cold drawn rods, bars and tubes: To BS EN 754-1 and -2.• Extruded rods, bars, tubes and profiles: To BS EN 755-1 and -2.• Drawn wire: To BS EN 1301-1, -2 and -3.• Rivet, bolt and screw stock: To BS 1473.• Structural sections: To BS 1161.

420 COPPER ALLOY PRODUCTS• Sheet, strip, plate and circles for general purposes: To BS EN 1652.• Sheet and strip for building purposes: To BS EN 1172.• Rods: To BS EN 12163.• Profiles and rectangular bars: To BS EN 12167.• Wire: To BS EN 12166.• Tubes: To BS EN 12449.

FABRICATION

515 FABRICATION GENERALLY• Contact between dissimilar metals in components: Avoid.• Finished components: Rigid and free from distortion, cracks, burrs and sharp arrises.

- Moving parts: Free moving without binding.• Corner junctions of identical sections: Mitre.

520 COLD FORMED WORK• Profiles: Accurate, with straight arrises.



525 ADHESIVE BONDING• Preparation of surfaces of metals to receive adhesives:

- Degrease.- Abrade mechanically or chemically etch.- Prime: To suit adhesive.

• Adhesive bond: Form under pressure.

527 WELDING -.• Welding procedures:

- Method and standard: To BS.- Welding Procedure Specification (WPS): Submit proposals before commencement of

welding.• Preparation:

- Joint preparation: Clean thoroughly.- Surfaces of materials that will be self-finished and visible in the completed work: protect

from weld splatter.• Jointing:

- Joints: Fully bond parent and filler metal throughout with no inclusions, holes, porosity or cracks.

- Dissimilar metals: Filler metal grade to be approved by a qualified metallurgist.- Strength requirements: Welds to achieve design loads.- Heat straightening: Submit proposals.- Complex assemblies: Agree priority for welding members to minimize distortion caused

by subsequent welds.- Tack welds: Use only for temporary attachment.- Jigs: Provide to support and restrain members during welding.- Filler plates: Submit proposals.- Lap joints: Minimum 5 x metal thickness or 25 mm, whichever is greater.- Weld terminations: Clean and sound.

530 STAINLESS STEEL FABRICATION• Guillotining or punching: Do not use for metal thicknesses greater that 10 mm.• Thermal cutting:

- Carbonation in the heat affected zone: Remove, after cutting.• Bending:

- Plates or bars: Cold bending radius not less than material thickness.- Tubes: Cold bending radius not less than 2 x tube diameter.

• Welding: In addition to general welding requirements:- Protect adjacent surfaces from weld spatter.- Pickle all welds before post fabrication treatments.

• Protection: Provide protection to fabricated components during transit and on site.

555 BRAZING• Standard: To BS EN 14324.• Testing:

- Destructive testing: To BS EN 12797.- Nondestructive testing: To BS EN 12799.

FINISHING

710 FINISHING WELDED AND BRAZED JOINTS VISIBLE IN COMPLETE WORK• Standard: To BS EN ISO 8501-3.

- Preparation grade: Submit proposals.• Butt joints: Smooth, and flush with adjacent surfaces.• Fillet joints: Neat.• Grinding: Grind smooth where indicated on drawings.



745 PREPARATION FOR APPLICATION OF COATINGS• General: Complete fabrication, and drill fixing holes before applying coatings.• Paint, grease, flux, rust, burrs and sharp arrises: Remove.

750 LIQUID ORGANIC COATING FOR ALUMINIUM ALLOY COMPONENTS• Standard: To BS 4842.

760 ZINC AND CADMIUM PLATING OF IRON AND STEEL SURFACES• Zinc plating: To BS EN ISO 2081.• Cadmium plating: To BS EN ISO 2082.

770 CHROMIUM PLATING• Standard: To BS EN ISO 1456.

780 GALVANIZING• Standard: To BS EN ISO 1461.• Preparation:

- Vent and drain holes: Provide in accordance with BS EN ISO 14713-1 and -2. Seal after sections have been drained and cooled.

- Components subjected to cold working stresses: Heat treat to relieve stresses beforegalvanizing.

- Welding slag: Remove.- Component cleaning: To BS EN ISO 8501-3.- Grade: Submit proposals.

790 VITREOUS ENAMELLING• Standard: To BS EN ISO 28722.• Substrate metal: Steel to BS EN 10209.

COMPLETION

910 DOCUMENTATION• Submit:

- Manufacturer's maintenance instructions.- Guarantees, warranties, test certificates, record schedules and log books.

920 COMPLETION• Protection: Remove.• Cleaning and maintenance: Carry out in accordance with procedures detailed in

fabricators' guarantees.



Z12Preservative/ fire retardant treatment

No.


Purpose



Z12 Preservative/ fire retardanttreatment


Z12 Preservative/ fire retardant treatment


110 TREATMENT APPLICATION• Timing: After cutting and machining timber, and before assembling components.• Processor: Licensed by manufacturer of specified treatment solution.

- Operatives: Must have completed the WPA training scheme .• Certification: For each batch of timber provide a certificate of assurance that treatment has

been carried out as specified.

120 COMMODITY SPECIFICATIONS• Standard: Current edition of the Wood Protection Association (WPA) publication 'Industrial

wood preservation specification and practice'.

130 PRESERVATIVE TREATMENT SOLUTION STRENGTHS/ TREATMENT CYCLES• General: Select to achieve specified service life and to suit treatability of specified wood

species.

140 COPPER-ORGANIC PRESERVATIVE TREATMENT• Solution:

- Manufacturer: Contractor's choice.Product reference: Submit proposals.

- Colour: Contractor's choice.- Application: High pressure impregnation.

• Moisture content of wood:- At time of treatment: Not more than 28%.- After treatment: Timber to be surface dry before using.

160 ORGANIC SOLVENT PRESERVATIVE TREATMENT• Solution:


- Application: Double vacuum + low pressure impregnation, or immersion.• Moisture content of wood:

- At time of treatment: As specified for the timber/ component at time of fixing.- After treatment: Timber to be surface dry before use.

165 WATER-BASED MICROEMULSION PRESERVATIVE TREATMENT• Solution:


- Application: Double vacuum + low pressure impregnation.• Moisture content of wood:

- At time of treatment: As specified for the timber/ component at time of fixing.- After treatment: Timber to be surface dry before use.




167 BORON COMPOUND PRESERVATIVE TREATMENT• Solution:


- Application: High pressure impregnation.• Moisture content of wood:

- At time of treatment: Not more than 28%.- After treatment: Timber to be surface dry before using.

180 RECYCLED TIMBER CONTAINING CREOSOTE OR CHROMIUM/ ARSENIC BASEDPRESERVATIVE

• Usage: Not permitted.

210 FIRE RETARDANT TREATMENT• Solution type: Humidity resistant.


- Application: Vacuum + pressure impregnation.• Moisture content of wood:

- At time of treatment: As specified for the timber/ component at time of fixing.- After treatment: Timber to be redried slowly at temperatures not exceeding 65°C to

minimize distortion and degradation.

220 LEACH RESISTANT FIRE RETARDANT TREATMENT• Solution type: LR


- Application: Vacuum + pressure impregnation.• Moisture content of wood:

- At time of treatment: As specified for the timber/ component at time of fixing.

610 MAKING GOOD TO PRESERVATIVE TREATMENT ON-SITE• Preservative solution: Compatible with off-site treatment.• Application: In accordance with preservative manufacturer's recommendations.

620 MAKING GOOD TO FIRE RETARDANT TREATMENT ON-SITE• Fire retardant: Compatible with off-site treatment.• Application: In accordance with fire retardant manufacturer's recommendations.




Z20Fixings and adhesives

No.


Purpose



Z20 Fixings and adhesives Tender Page 173 of 189

Z20 Fixings and adhesives


PRODUCTS

310 FASTENERS GENERALLY• Materials: To have:

- Bimetallic corrosion resistance appropriate to items being fixed.- Atmospheric corrosion resistance appropriate to fixing location.

• Appearance: Submit samples on request.

320 PACKINGS• Materials: Noncompressible, corrosion proof.• Area of packings: Sufficient to transfer loads.

330 NAILED TIMBER FASTENERS• Nails:

- Steel: To BS 1202-1 or BS EN 10230-1.- Copper: To BS EN 1202-2.- Aluminium: To BS 1202-3.

340 MASONRY FIXINGS• Light duty: Plugs and screws.• Heavy duty: Expansion anchors or chemical anchors.

350 PLUGS• Type: Proprietary types to suit substrate, loads to be supported and conditions expected in

use.

360 ANCHORS• Types:

- Expansion: For use in substrate strong enough to resist forces generated by expansionof anchor.

- Adhesive or chemical:For use in substrate where expansion of anchor would fracture substrate.For use in irregular substrate where expansion anchors cannot transfer load on anchor.

- Cavity: For use where the anchor is retained by toggles of the plug locking onto theinside face of the cavity.

370 WOOD SCREWS• Type:

- Wood screws (traditional pattern).Standard: To BS 1210.- Wood screws.Pattern: Parallel, fully threaded shank or twin thread types.

• Washers and screw cups: Where required are to be of same material as screw.



380 MISCELLANEOUS SCREWS• Type: To suit the fixing requirement of the components and substrate.

- Pattern: Self-tapping, metallic drive screws, or power driven screws.• Washers and screw cups: Where required to be of same material as screw.

390 ADHESIVES GENERALLY• Standards:

- Hot-setting phenolic and aminoplastic: To BS 1203.- Thermosetting wood adhesives: To BS EN 12765.- Thermoplastic adhesives: To BS EN 204.

410 POWDER ACTUATED FIXING SYSTEMS• Types of fastener, accessories and consumables: As recommended by tool manufacturer.

EXECUTION

610 FIXING GENERALLY• Integrity of supported components: Select types, sizes, quantities and spacings of fixings,

fasteners and packings to retain supported components without distortion or loss of support.

• Components, substrates, fixings and fasteners of dissimilar metals: Isolate with washers/ sleeves to avoid bimetallic corrosion.

• Appearance: Fixings to be in straight lines at regular centres.

620 FIXING THROUGH FINISHES• Penetration of fasteners and plugs into substrate: To achieve a secure fixing.

630 FIXING PACKINGS• Function: To take up tolerances and prevent distortion of materials and components.• Limits: Do not use packings beyond thicknesses recommended by fixings and fasteners

manufacturer.• Locations: Not within zones to be filled with sealant.

640 FIXING CRAMPS• Cramp positions: Maximum 150 mm from each end of frame sections and at 600 mm

maximum centres.• Fasteners: Fix cramps to frames with screws of same material as cramps.• Fixings in masonry work: Fully bed in mortar.

650 NAILED TIMBER FIXING• Penetration: Drive fully in without splitting or crushing timber.• Surfaces visible in completed work: Punch nail heads below wrot surfaces.• Nailed timber joints: Two nails per joint (minimum), opposed skew driven.

660 SCREW FIXING• Finished level of countersunk screw heads:

- Exposed: Flush with timber surface.- Concealed (holes filled or stopped): Sink minimum 2 mm below surface.

670 PELLETED COUNTERSUNK SCREW FIXING• Finished level of countersunk screw heads: Minimum 6 mm below timber surface.• Pellets: Cut from matching timber, match grain and glue in to full depth of hole.• Finished level of pellets: Flush with surface.



680 PLUGGED COUNTERSUNK SCREW FIXING• Finished level of countersunk screw heads: Minimum 6 mm below timber surface.• Plugs: Glue in to full depth of hole.• Finished level of plugs: Projecting above surface.

690 USING POWDER ACTUATED FIXING SYSTEMS• Powder actuated fixing tools: To BS 4078-2 and Kitemark certified.• Operatives: Trained and certified as competent by tool manufacturer.

700 APPLYING ADHESIVES• Surfaces: Clean. Adjust regularity and texture to suit bonding and gap filling characteristics

of adhesive.• Support and clamping during setting: Provide as necessary. Do not mark surfaces of or

distort components being fixed.• Finished adhesive joints: Fully bonded. Free of surplus adhesive.



Z21Mortars

No.


Purpose



Z21 Mortars Tender Page 177 of 189

Z21 Mortars


CEMENT GAUGED MORTARS

110 CEMENT GAUGED MORTAR MIXES• Specification: Proportions and additional requirements for mortar materials are specified

elsewhere.

120 SAND FOR SITE MADE CEMENT GAUGED MASONRY MORTARS• Standard: To BS EN 13139.• Grading: 0/2 (FP or MP).

- Fines content where the proportion of sand in a mortar mix is specified as a range (e.g.1:1: 5-6):Lower proportion of sand: Use category 3 fines.Higher proportion of sand: Use category 2 fines.

• Sand for facework mortar: Maintain consistent colour and texture. Obtain from one source.

131 READY-MIXED LIME:SAND FOR CEMENT GAUGED MASONRY MORTARS• Standard: To BS EN 998-2.• Lime: Nonhydraulic to BS EN 459-1.

- Type: CL 90S.• Pigments for coloured mortars: To BS EN 12878.

135 SITE MADE LIME:SAND FOR CEMENT GAUGED MASONRY MORTARS• Permitted use: Where a special colour is not required and in lieu of factory made ready-

mixed material.• Lime: Nonhydraulic to BS EN 459-1.

- Type: CL 90S.• Mixing: Thoroughly mix lime with sand, in the dry state. Add water and mix again. Allow to

stand, without drying out, for at least 16 hours before using.

160 CEMENTS FOR MORTARS• Cement: To BS EN 197-1 and CE marked.

- Types: Portland cement, CEM I.Portland limestone cement, CEM ll/A-L or CEM ll/A-LL.

Portland slag cement, CEM II/B-S. Portland fly ash cement, CEM II/B-V.

- Strength class: 32.5, 42.5 or 52.5.• White cement: To BS EN 197-1 and CE marked.

- Type: Portland cement, CEM I.- Strength class: 52.5.

• Sulfate resisting Portland cement:- Types: To BS 4027 and Kitemarked.

To BS EN 197-1 fly ash cement, CEM ll/B-V and CE marked.- Strength class: 32.5, 42.5 or 52.5.

• Masonry cement: To BS EN 413-1 and CE marked.- Class: MC 12.5.



180 ADMIXTURES FOR SITE MADE CEMENT GAUGED MORTARS• Air entraining (plasticizing) admixtures: To BS EN 934-3 and compatible with other mortar

constituents.• Other admixtures: Submit proposals.• Prohibited admixtures: Calcium chloride, ethylene glycol and any admixture containing

calcium chloride.

190 RETARDED READY TO USE CEMENT GAUGED MORTAR• Standard: To BS EN 998-2.• Lime for cement:lime:sand mortars: Nonhydraulic to BS EN 459-1.

- Type: CL 90S.• Pigments for coloured mortars: To BS EN 12878.• Time and temperature limitations: Use within limits prescribed by mortar manufacturer.

- Retempering: Restore workability with water only within prescribed time limits.

200 STORAGE OF CEMENT GAUGED MORTAR MATERIALS• Sands and aggregates: Keep different types/ grades in separate stockpiles on hard, clean,

free-draining bases.• Factory made ready-mixed lime:sand/ ready to use retarded mortars: Keep in covered

containers to prevent drying out or wetting.• Bagged cement/ hydrated lime: Store off the ground in dry conditions.

210 MAKING CEMENT GAUGED MORTARS• Batching: By volume. Use clean and accurate gauge boxes or buckets.

- Mix proportions: Based on dry sand. Allow for bulking of damp sand.• Mixing: Mix materials thoroughly to uniform consistency, free from lumps.

- Mortars containing air entraining admixtures: Mix mechanically. Do not overmix.• Working time (maximum): Two hours at normal temperatures.• Contamination: Prevent intermixing with other materials.

LIME:SAND MORTARS

310 LIME:SAND MORTAR MIXES• Specification: Proportions and additional requirements for mortar materials are specified

elsewhere.

320 SAND FOR LIME:SAND MASONRY MORTARS• Type: Sharp, well graded.

- Quality, sampling and testing: To BS EN 13139.- Grading/ Source: As specified elsewhere in relevant mortar mix items.

345 ADMIXTURES FOR HYDRAULIC LIME:SAND MORTARS• Air entraining (plasticizing) admixtures: To BS EN 934-3 and compatible with other mortar

constituents.• Prohibited admixtures: Calcium chloride, ethylene glycol and any admixture containing

calcium chloride.

350 STORAGE OF LIME:SAND MORTAR MATERIALS• Sands and aggregates: Keep different types/ grades in separate stockpiles on hard, clean,

free-draining bases.• Ready prepared nonhydraulic lime putty: Prevent drying out and protect from frost.• Nonhydraulic lime:sand mortar: Store on clean bases or in clean containers that allow free

drainage. Prevent drying out or wetting and protect from frost.• Bagged hydrated hydraulic lime: Store off the ground in dry conditions.



360 MAKING LIME:SAND MORTARS GENERALLY• Batching: By volume. Use clean and accurate gauge boxes or buckets.• Mixing: Mix materials thoroughly to uniform consistency, free from lumps.• Contamination: Prevent intermixing with other materials, including cement.

370 SITE PREPARED NONHYDRAULIC LIME:SAND MORTARS• Mixing: Mix materials thoroughly by compressing, beating and chopping. Do not add water.

- Equipment: Roller pan mixer or submit proposals.• Maturation period before use (maximum): Seven days.

380 READY TO USE NONHYDRAULIC LIME:SAND MORTARS• Manufacturer: Contractor's choice.

- Product reference: Submit proposals.• Materials: Select from:

- Lime putty slaked directly from quicklime to BS EN 459-1 and mixed thoroughly withsand.

- Quicklime to BS EN 459-1 slaked directly with sand.• Maturation period before use (maximum): Seven days.

390 KNOCKING UP NONHYDRAULIC LIME:SAND MORTARS• Knocking up before and during use: Achieve and maintain a workable consistency by

compressing, beating and chopping. Do not add water.- Equipment: Roller pan mixer or submit proposals.

400 MAKING HYDRAULIC LIME:SAND MORTARS• Mixing hydrated hydraulic lime:sand: Follow the lime manufacturer's recommendations for

each stage of the mix.- Water quantity: Only sufficient to produce a workable mix.

• Working time: Within limits recommended by the hydraulic lime manufacturer.



Z22Sealants

No.


Purpose



Z22 Sealants Tender Page 181 of 189

Z22 Sealants


PRODUCTS

310 JOINTS ALL• Primer, backing strip, bond breaker: Types recommended by sealant manufacturer.

EXECUTION

610 SUITABILITY OF JOINTS• Presealing checks:

- Joint dimensions: Within limits specified for the sealant.- Substrate quality: Surfaces regular, undamaged and stable.

• Joints not fit to receive sealant: Submit proposals for rectification.

620 PREPARING JOINTS• Surfaces to which sealant must adhere:

- Remove temporary coatings, tapes, loosely adhering material, dust, oil, grease, surfacewater and contaminants that may affect bond.

- Clean using materials and methods recommended by sealant manufacturer.• Vulnerable surfaces adjacent to joints: Mask to prevent staining or smearing with primer or

sealant.• Backing strip and/ or bond breaker installation: Insert into joint to correct depth, without

stretching or twisting, leaving no gaps.• Protection: Keep joints clean and protect from damage until sealant is applied.

630 APPLYING SEALANTS• Substrate: Dry (unless recommended otherwise) and unaffected by frost, ice or snow.• Environmental conditions: Do not dry or raise temperature of joints by heating.• Sealant application: Fill joints completely and neatly, ensuring firm adhesion to substrates.• Sealant profiles:

- Butt and lap joints: Slightly concave.- Fillet joints: Flat or slightly convex.

• Protection: Protect finished joints from contamination or damage until sealant has cured.


Z22 Sealants Tender Page 182 of 189

Z31Powder coatings

No.


Purpose



Z31 Powder coatings Tender Page 183 of 189

Z31 Powder coatings


120 POWDER COATING MATERIALS• Manufacturer: Obtain from one only of the following: Submit proposals.• Selected manufacturer: Submit details before commencement of powder coating including:

- Name and contact details.- Details of accreditation schemes.- Technical data of product including current Agrément certificates.

210 WORKING PROCEDURES• Comply with the follow following standards.

- Aluminium components: To BS 6496 or BS EN 12206-1.- Steel components: To BS EN 13438.- Safety standards: To British Coatings Federation 'Code of safe practice - Application of

thermosetting powder coatings by electrostatic spraying'.

220 POWDER COATING APPLICATORS• Applicator requirements:

- Approved by powder coating manufacturer.- Currently certified to BS EN ISO 9001.- Comply with quality procedures, guarantee conditions, standards and tests required by

powder coating manufacturer.- Applicator to use only one plant.- Selected applicator: Submit details before commencement of powder coating including:

Name and contact details.Details of accreditation schemes.

225 GUARANTEES• Powder coating manufacturer and applicator guarantees:

- Submit sample copies before commencement of powder coating.- Submit signed project specific copies on completion of work.

230 CONTROL SAMPLES• Sequence: Prior to ordering materials for the works, obtain approval of appearance for:

- Powder coated samples: Of various grades and forms of background metal to be used,showing any colour, texture and gloss variation.

- Fabrication samples: Showing joint assembly, how powder coating is affected and howany cut metal edges are finished and protected.

• Samples to include the following information:- Product reference.- Colour.- Reference number.- Name.- Gloss level.



250 COMPONENT DESIGN• Condition of components to be powder coated:

- To comply with relevant recommendations of BS 4479-1, -3, and -4.- Of suitable size to fit plant capacity.- Of suitable thickness to withstand oven curing.

310 PRETREATMENT OF ALUMINIUM COMPONENTS• Condition of components to be pretreated:

- Free from corrosion and damage.- All welding and jointing completed and finish off as specified.- Free from impurities including soil, grease, oil.- Suitable for and compatible with the pretreatment process.

• Conversion coating requirements:- Chromate system: To BS 6496 or BS EN 12206-1.- Chromate-free system: To BS EN 12206-1. Submit details before using.

• Rinsing requirements: Use demineralized water. Drain and dry.

320 PRETREATMENT OF STEEL COMPONENTS• Condition of components to be pretreated:

- Free from corrosion and damage.- All welding and jointing completed and finish off as specified.- Free from impurities including soil, grease, oil.- Suitable for and compatible with the pretreatment process.

• Conversion coating requirements: To BS EN 13438.• Rinsing requirements: Use demineralized water. Drain and dry.

430 EXTENT OF POWDER COATINGS• Application: To visible component surfaces, and concealed surfaces requiring protection.

Coated surfaces will be deemed 'significant surfaces' for relevant BS 6496 or BS EN 13438performance requirements.

435 APPLICATION OF POWDER COATINGS• Surfaces to receive powder coatings: Free from dust or powder deposits.• Powder colours: Obtain from one batch of one manufacturer.• Commencement of powder coating: To be continuous from pretreatment.• Jig points: Not visible on coated components.• Curing: Controlled to attain metal temperatures and hold periods recommended by powder

coating manufacturer.• Stripping and recoating of components: Only acceptable by prior agreement of powder

coating manufacturer. Stripping, pretreatment and powder coating are to be in accordancewith manufacturer's requirements.

• Overcoating of components: Not acceptable.

440 PERFORMANCE AND APPEARANCE OF POWDER COATINGS• For aluminium components:

- Standard: To BS 6496 or BS EN 12206-1.• For steel components:

- Standard: To BS EN 13438.• Visual inspection after powder coating: Significant surface viewing distances to be as

specified in the relevant Standard, unless specified otherwise.• Colour and gloss levels: To conform with approved samples.



450 ALUMINIUM ALLOY FABRICATIONS• Units may be assembled:

- Before powder coating.- From components powder coated after cutting to size.- Where approved, from components powder coated before cutting to size.

• Exposure of uncoated background metal: Not acceptable.• Assembly sealants: Compatible with powder coatings. Obtain approval of colour if sealants

are visible after fabrication.

460 STEEL FABRICATIONS• Unit assembly: Wherever practical, before powder coating.• Exposure of uncoated background metal: Not acceptable.• Assembly sealants: Compatible with powder coatings. Obtain approval of colour if sealants

are visible after fabrication.

470 FIXINGS• Exposed metal fixings: Powder coat together with components, or coat with matching

repair paint system applied in accordance with the powder coating manufacturer'srecommendations.

480 DAMAGED COMPONENTS - REPAIR/ REPLACEMENT• Before delivery to site: Check all components for damage to powder coatings. Replace

damaged components.• Site damage: Submit proposals for repair or replacement.

510 PROTECTION• Powder coated surfaces of components: Protect from damage during handling and

installation, or by subsequent site operations.• Protective coverings: Must be:

- Resistant to weather conditions.- Partially removable to suit building in and access to fixing points.

• Protective tapes in contact with powder coatings: Must be:- Low tack, self adhesive and light in colour.- Applied and removed in accordance with tape and powder coating manufacturers'

recommendations. Do not use solvents to remove residues as these are detrimental tothe coating.

• Inspection of protection: Carry out monthly. Promptly repair any deterioration or deficiency.

535 DOCUMENTATION• Submit the following information for each batch of powder coated components:

- Supplier.- Trade name.- Colour.- Type of powder.- Method of application.- Batch and reference number.- Statutory requirements.- Test certificates.- Maintenance instructions.

540 COMPLETION• Protection: Remove.• Cleaning and maintenance of powder coatings: Carry out in accordance with procedures

detailed in powder coating manufacturer and applicator guarantees.



Z33Anodizing

No.


Purpose



Z33 Anodizing Tender Page 187 of 189

Z33 Anodizing


110 ANODIC COATING• Anodizer: Select one only of the following: Submit proposals.• Selected anodizer: Submit details before commencement of anodizing, including:

- Name and contact details.- Details of accreditation schemes.- Technical data of product including current Agrément certificates.

210 WORKING PROCEDURES• Standard: To BS 3987 for anodic coatings on wrought aluminium.

220 ANODIZER REQUIREMENTS• Processing:

- Approved: By the Aluminium Finishing Association.- Certified: To BS EN ISO 9001.- Anodizing plant: Each anodizer to use only one plant.

230 GUARANTEES• Anodizer guarantees: Submit sample copies before commencement of anodizing.• Project specific guarantees: Submit signed copies on completion of work.• Guarantees to cover:

- Life expectancy.- Colour: Opacity and consistency.- Texture: Gloss, satin or matt.- Quality of coating.

240 CONTROL SAMPLES• Sequence: Prior to ordering materials for the works, obtain approval of appearance for:

- Anodic coated samples: Showing colour and texture variation.- Fabrication samples: Showing joint assembly, how anodic coating is affected and how

cut metal edges are finished and protected.

270 COMPONENT DESIGN• Condition of components to be anodized:

- To comply with relevant recommendations of BS 4479-1, and -5.- Of suitable size to fit plant capacity.

310 PRETREATMENT• Condition of components to be anodized:

- Free from corrosion and damage.- Suitable for and compatible with the pretreatment and anodizing process.

• Process: In accordance with the specification requirements for the finish.

410 EXTENT OF ANODIC COATINGS• Application: To visible component surfaces, and concealed surfaces requiring protection.

Coated surfaces will be deemed 'significant surfaces' for relevant BS 3987 performancerequirements.



420 APPLICATION OF ANODIC COATINGS• Surfaces to receive anodic coatings: Clean.• Commencement of anodic coating: To be continuous from pretreatment.• Jig points: To be agreed. Not on visible areas of anodic coated components.• Use of touch-up paint: Not acceptable.

430 PERFORMANCE AND APPEARANCE OF ANODIC COATINGS• Standard: To BS 3987.• Visual inspection after anodizing: Significant surfaces to be free from visible coating/

defects when viewed from a distance of not less than 5 m for external and 3 m for internalapplications.

440 FABRICATION• Units may be assembled:

- Before anodizing, providing sufficient drainage holes are included in components to fullydrain components.

- From components anodized after cutting to size.- Where approved, from components anodized before cutting to size.- Exposure of uncoated background metal: Not acceptable.- Assembly sealants: Compatible with anodic coatings. Obtain approval of colour if

sealants are visible after fabrication.

450 DAMAGED COMPONENTS - REPAIR/ REPLACEMENT• Before delivery to site: Check all components for damage to anodic coatings. Replace

damaged components.• Site damage: Submit proposals for repair or replacement.

510 PROTECTION• Anodic coated surfaces of components: Protect from damage during handling and

installation, or by subsequent site operations.• Protective coverings: Must be:

- Resistant to weather conditions.- Partially removable to suit building in and access to fixing points.

• Protective tapes in contact with anodizing to be:- Low tack, self adhesive and light in colour.- Applied and removed in accordance with tape and anodizers recommendations.

• Inspection of protection: Carry out weekly. Promptly repair any deterioration or deficiency.

530 DOCUMENTATION• Submit the following information for each batch of anodic coated components:

- Supplier.- Trade name.- Colour (if required).- Batch and reference number.- Statutory requirements.

540 COMPLETION• Protection: Remove.• Cleaning and maintenance of anodic coatings: Carry out in accordance with procedures

detailed in anodizer's guarantees.



Science & Technology Facilities Council Framework ...

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