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APPENDIX 3ROTHER DISTRICT COUNCIL

RESPONSIVE REPAIRS TO COUNCIL PROPERTIES

1 ST APRIL 2005 – 31 ST MARCH 2010

PART 4

SCHEDULE OF RATES

PRELIMINARIES

SUMMARY OF MAIN CONTRACT DETAILS PAGE NO: 1. Contractor’s obligations 4/32. Scope of the works 4/33. Contract areas 4/4

SERVICE REQUIREMENTS

4. Contractor’s local office 4/55. Contractor’s organisation and staffing 4/56. Composition of workforce 4/57. Identification 4/68. Assignment/transfer of contract 4/69. liaison with other contractors 4/710. Large-scale emergencies 4/7

ADMINISTRATIVE ARRANGEMENTS

11. Issue of works orders 4/712. Response times 4/813. Access 4/914. Variations to works orders 4/1015. Meetings 4/1016. Accounts 4/1117. Liquidated Damages 4/1118 Payment 4/1219. Notification of completion of work 4/1220. Testing materials or works 4/1321. Opening up/inspection of work 4/1322. Condemned materials 4/1323. Defects liability period 4/1324. Additions and omissions 4/1325. Contract documents 4/1326. Notice boards 4/14

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POSSESSION OF THE SITE PAGE NO:

27. Access to the site 4/1428. Use of the site by the Contractor 4/1429. Setting out of the works 4/1530. Removal and protection of furniture 4/1531. Maintenance of existing services 4/1732. Provision of temporary services 4/1733. Security of unoccupied premises 4/1734. Injury to persons/Loss of property 4/17

HEALTH AND SAFETY PROVISIONS

35. Health, welfare and safety 4/1736. Safety policy and safe working system 4/1837. Hazardous materials 4/1838. Plant/machinery use 4/1939. Cancellation of orders for Health and Safety reasons 4/19

CONTRACTOR’S WORKING PRACTICES

44. Good workmanship/practice/materials 4/2045. Carriage and transport 4/2046. Temporary buildings 4/2047. Control of noise 4/2048. Contractor’s use of telephones 4/2149. Lighting and power 4/2150. Water for the work(s) 4/2151. Materials arising from site 4/2152. Making good damage 4/2253. Watching/lighting/protection 4/2254. Parking of Contractor’s vehicles 4/2255. Contractor’s use of sanitary facilities, etc 4/2256. Protection of buildings 4/2257. Protection of persons and property 4/2358. Precautions against fire and other risks 4/2359. Protection of gardens and plants 4/2360. Removal of debris and rubbish 4/2361. Protection of drains, gullies, and water courses 4/2462. Protection of works 4/2463. Working in winter and draining of water 4/2464. Code of Conduct for Contractors 4/26

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ROTHER DISTRICT COUNCIL



PART 4

SCHEDULE OF RATES

PRELIMINARIES AND PREAMBLES

PRELIMINARIES

SUMMARY OF MAIN CONTRACT DETAILS

1 CONTRACTOR’S OBLIGATIONS

1.1 Rates as defined in Part 2 of the Tender Documents, shall include for all the Contractor’s costs and expenses incurred in discharging the obligations described in the Conditions of Contract (Part 3 of the Tender Documents) and these Preliminaries and Preambles Clauses, unless specifically otherwise stated.

1.2 The Contractor shall be deemed to have visited each contract area, for which a tender is Submitted, PRIOR to submission of Tender(s) and shall ascertain and make due allowanceFor:

a) Local conditions

b) Means of access

c) The confines of the area(s), and all locations therein

d) Restrictions in respect of loading and unloading

e) Factors affecting the order or execution of the work(s) and the time required for the execution of the work(s)

f) The supply of and general conditions affecting labour, materials and plant required for the execution of the work(s)

g) The age and construction of the properties having particular regard to any special architectural features and/or methods of construction

No claim for want of knowledge will be entertained.

2 SCOPE OF THE WORKS

2.1 The work(s) comprise day-to-day responsive repairs to Municipal buildings listed in Appendix “A” to the Instructions to Tender, as amended or adjusted by additionsand or omissions.

2.2 The Council has Programmes of planned and cyclical maintenance together with servicingcontracts which DO NOT form part of or come within the scope of this Contract.

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2.3 The Council is committed to maintaining its properties to a reasonable standard using, wherever possible, materials that require the minimum of on-going maintenance to minimise future maintenance costs. It is also committed to further develop programmes of planned and cyclical maintenance in order to achieve value for money in repairs, therefore the Council reserves the right to formulate planned, cyclical, preventative or service contracts as appropriate.

2.4 Works which are specifically EXCLUDED from this contract are:

a) Programmes of external or internal re-decoration, etc;b) Programmes of specific repair (eg re-roofing, fire precautions, electrical work, etc.);c) Programmes of Comprehensive Repairs and improvements, etc.;d) Programmes for the renewal of windows, doors and door frames, etc.;e) Programmes of preventative maintenance/repairs eg repointing, etc.;f) Servicing and Maintenance of Gas and Oil heating appliances and electrical

installations, etc.;g) Lift maintenance, etc.;h) Any other “specialist” works as deemed appropriate by the Council, eg gas and

electrical works, installation and maintenance of lifts, fire fighting equipment, door entry, etc.

2.5 The successful contractor for this tender will be given the opportunity to submit a quotation for certain programme works.

2.6 Having regard to the commitment contained in the previous sub-paragraphs, it is expected that the annual turnover for responsive repairs will progressively reduce during the period of the contract.

3 CONTRACT AREAS

3.1 For the purposes of the efficient administration of the repairs service, the Rother District Council is treated as one area.

3.2 Municipal Buildings

One Contract Area covering the entire District under the supervision of the Director of Services (or his duly authorised representative).

These Municipal Buildings are used to provide a wide variety of services, and range in size, age and construction and may differ from normal domestic properties.

The Contractor’s attention is drawn to the fact that the services provided by the Council from these buildings must be maintained and that this could affect the sequence of work.

Comprising approximately 56 buildings together with approximately 72 other properties, sites, etc., eg public conveniences, bus shelters, workmen’s huts, car parks, etc.

The summaries given in the preceding paragraphs are for guidance purposes. For all contracts details of properties are given in Appendix A to Part 1, Instructions to Firms Tender.

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SERVICE REQUIREMENTS

4 CONTRACTOR’S LOCAL OFFICE

4.1 The Contractor will provide a local office/depot/workshop facility which must be located within Northern Hastings boundary for the duration of the Contract.

4.2 The cost(s) of complying with this requirement is deemed to be included in the Contractor’s Schedule of Rates.

5 CONTRACTOR’S ORGANISATION AND STAFFING

5.1 The Contractor shall provide a service for carrying out responsive repairs in all trades during working hours, as defined in Clause 1.1 of the Contract Conditions. During these hours, the Contractor will be required to:

a) operate a manned telephone during office hours and a 24 hour message service at the local office from which he is controlling the contract;

b) employ one or more competent persons as “Supervisors” to ensure full and adequate supervision of work(s) executed under the Contract;

c) provide any person employed on his behalf in a Supervisory capacity with a mobile telephone to enable them to be contacted at any time during the Council’s normal working hours by the Manager.

Any costs incurred in complying with this requirement are deemed to be included in the Contractor’s calculation in the Schedule of Rates.

5.2 The Contractor shall provide an emergency repairs service, as required within the Contract Documents, on a 24 hour basis for every day of the Contract Period, including Saturdays, Sundays, and All Public Holidays. This will apply to all Category “E” and “O” priority orders, as defined in paragraph 12 below.

5.3 The Contractor shall provide, to the Manager, the name, address, and telephone number of a responsible member of his staff who must be personally available and shall be authorised, by and on behalf of the Contractor, to take required action AT ANY TIME to deal with emergency repairs. Response times for such repairs shall be deemed to have commenced from the time of receipt by the Contractor of a telephone call from the Council’s officers.

5.4 The names of personnel to be employed by the Contractor in a supervisory capacity (eg supervisor, foreman or charge hand) are to be notified in writing to the Manager immediately after appointment to this Contract and any subsequent changes are to be immediately notified in writing.

6 COMPOSITION OF WORKFORCE

6.1 The Contractor shall provide an adequate number of suitably qualified and/or experienced tradespersons for undertaking the work(s) required under the Contract, who shall be of appropriate appearance and dress at all times in order to enhance the reputation of the

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Council and Contractor, and convey a professional image. The minimum shall be trousers/shorts and Tee shirt/vest.

6.2 Apprentices or other trainees shall not undertake any work(s) required under this Contract unless accompanied by, and under the direct supervision of, an experienced or qualified tradesperson employed by the Contractor.

7 IDENTIFICATION

7.1 The Contractor AND his sub-contractors must provide all operatives, employed under the terms of the Contract and acting on their beheld, with identification badges which shall be of a type approved by the Council and contain the following details:

a) photograph of the operative;b) name of the operative;c) name, address and telephone number of the Contractor for whom the operative is

working either directly or by sub-contract;d) telephone number of the Manager of the Council (for verification in case of enquiry).

7.2 The identification badge shall be of the “sealed” plastic wallet type, and shall not be capable of alteration without deformation of the holder or its contents. Identification badges shall be clearly displayed by operatives AT ALL TIMES during visits or work(s) on site, and shall be detachable for inspection on request.

7.3 Within 48 hours of commencement by any operative on any work under the Contract, the Contractor shall furnish, to the Manager, a photocopy of that operative’s identification badge together with such other details as may be required.

7.4 The Contractor shall surrender, to the Manager, ALL identification badges so issued under the Contract, at the expiry of the Contract. On the occasion that any operative leaving employment by on behalf of the Contractor, the Contractor shall ensure the return of the operative’s identification badge to the Manager.

8 ASSIGNMENT/TRANSFER OF CONTRACT

8.1 The Contractor shall not assign the Contract nor any part thereof, nor sub-let the whole of the contract. He shall not sub-let any part of the Contract without the prior written consent of the Manager, such consent not to be unreasonably withheld or delayed. If the Contractor intends sub-contracting any of the work(s), he must give due notice in writing on the form provided, details of the name(s) and address(es) of the sub-contractor(s) he intends to employ. Any subsequent request to change a sub-contractor must be made in writing, to the Manager, setting out good reasons for the proposed change and, if approved, shall be made at no additional cost to the Council.

8.2 If any consent to sub-let part of the works is given by the Council, such consent shall not relieve the Contractor from any liability or obligation under the Contract and the Contractor shall be responsible for the acts, defaults or neglects of any sub-contractor or his agents, servants or workmen as fully as if they were the acts, defaults or neglects of the Contractor or his agents, servant or workmen. Any sub-contractor(s) so authorised by the Manager shall observe all the terms and conditions of this Contract and employment of such authorised sub-contractors shall determine immediately upon the determination of the Contractor’s employment under the Contract.

8.3 The Contractor’s attention is drawn to the requirement that electrical work(s) shall only be carried out by a firm that is a member of the National Inspection Council for Electrical

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Installation Contractors (NICEIC), and gas related work(s) by a firm that is on the Register of the Confederation for the Registration of Gas Installers (CORGI). If the Contractor is NOT NICEIC/CORGI registered, he will be required to sub-let the work(s) to a specialist sub-contractor who is, and the specialist sub-contractor will be regarded as a sub-contractor to be approved by the Manager.

9 LIAISON WITH OTHER CONTRACTORS 9.1 The Contractor is to note that other repair(s), or improvement(s) or other work(s) may be

carried out, by others, to any premises, concurrently with this Contract, and the Contractor is to allow for working in conjunction with, and liaising with, the Manager and any other Contractor. Any costs incurred in complying with this requirement are deemed to be included in the Contractor's calculation of his Schedule of Rates.

9.2 The Contractor shall not be responsible for any damage caused to his work(s), by the said other work(s).

10 LARGE SCALE EMERGENCIES

10.1 The Contractor may be required to provide labour and plant, for dealing with large-scale emergencies such as flooding, storms/high winds and other similar events.

10.2 The Manager shall not call upon the workforce unless absolutely necessary.

10.3 By agreement with the Contractor the Manager may request that certain key employees be trained in dealing with aspects of dealing with civil emergencies. All arrangements, administration, training costs, wages and any other costs which are approved by the Manager will be paid by the Council.

ADMINISTRATIVE ARRANGEMENTS

11 ISSUE OF WORKS ORDERS

11.1 All Works Orders for work(s) required under the Contract will be issued by the Manager. Should the Contractor be in any doubt as to the authenticity of any purported Works Order or Instruction, he should obtain confirmation from the Manager prior to executing the work(s) in question.

11.2 The Contractor will not be reimbursed for work executed other than ordered or confirmed as above. Staff in public buildings may require further works to be undertaken whilst the Contractor is at the property. Usually this is not allowed, and Council staff should be advised to make a separate report to the Manager.

11.3 Works Orders will contain the Schedule of Rates item number, raised by trade works section – one order per trade section, followed by a brief narrative and it is the Contractor’s responsibility to refer to the full description contained in the relevant Work Section of the Schedule of Rates: Descriptions and Prices. The Contractor shall satisfy himself as to the content and extent of work before commencing. Any clarification should be sought immediately from the Manager.

11.4 The Contractor is responsible for, and is deemed to have allowed in his percentage adjustments to the Schedule of Rates for, collecting the Manager’s Works Orders, on each and every working day.

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11.5 Works Orders shall be collected only at times agreed with the Manager from the following office, unless otherwise directed by the Manager:

Orders for Works on Collection from:Municipal Buildings Director of Services

14 Beeching RoadBexhill on SeaTN39 3LG

12 RESPONSE TIMES

12.1 Orders issued under this Contract will state the maximum time allowed for completion of the required work(s) in accordance with the following Response Times.

a) CATEGORY “E”

Works of an emergency nature that must be responded to and made safe within 4 hours of notification and completed within 24 hours of the original notification to the contractor: to be carried out during normal working hours.

b) CATEGORY “O”

Works of an emergency nature that are required to be executed outside working hours, otherwise all as Category “E” orders.

c) CATEGORY “S”

Standard orders, to be responded to and completed during working hours, within 10 working days of notification to the Contractor.

d) CATEGORY “V”

Repairs to empty properties, to be completed by a date to be determined and confirmed in writing by the Manager. Completion is normally required for empty repairs within 5 working days of notification to the Contractor.

e) CATEGORY “G”

Works for which the Contractor is required to return during the Defects Liability Period specified within condition 2.4 of the contract conditions relating to works previously carried out or completed, to be responded to and completed during working hours, within 10 working days of notification to the Contractor except for Category “G” orders originally issued as an “E” or “O” category where the contractor is to ensure that these are carried out within 24 hours of notification.

12.2 For all Works Orders in Category “E” and “O”, notification to the Contractor will be by telephone or facsimile and confirmed by the issue of a “Confirmatory Order” by the Manager on the first working day thereafter. Response times shall be deemed to have commenced from the time of receipt of the telephone call by the Contractor.

12.3 For Category “S”, “V” and “G” Works Orders, the response time period shall commence at the beginning of the working day following the day on which orders are issued.

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12.4 It shall be the responsibility of the Contractor to determine the time required to complete any work(s) required under the Contract and to commence the Work(s) in sufficient time to ensure completion within the Response Time shown on the Work(s) Order.

12.5 The Contractor shall carry out each Works Order by the date for completion or within the priority rating Response Time stated on the Works Order. Failure to comply with this requirement, other than for reasons that may be considered by the Manager to be beyond the Contractor’s control, shall be dealt with in accordance with either Clause 3.8 or 3.10 of the Contract Conditions, at the absolute discretion of the Manager.

13 ACCESS

13.1 Where standard (Category “S”) or defects liability (category “G”) orders are issued for works in communal areas, (premises indicated with an asterisk in the lists included in Appendix “A” to the Instructions to Firms Tendering), the Contractor MUST telephone at least 24 hours in advance to arrange for access. This is necessary to ensure that access may be obtained by the Contractor in the event of the Manager being unavailable. If the Contractor is unable to make direct contact with the Manager, he is to seek further instructions from the Managers office.

13.2 For all other Category “S” or “G” Works Orders, the Contractor should arrange by telephone if available giving the occupier or staff a minimum of 24 hours clear notice prior to carrying out the works. In the case of occupied premises, notice should be given to the occupier or staff, and in the case of Municipal Buildings, should be agreed with the relevant Manager.

13.3 In the case of Council-owned housing, the Council, its Officers and employees (including Contractors) have no automatic right of access without the occupiers prior permission. “Access”, in this context, includes not only access to internal parts of the building but access to external parts of the building including roofs, chimneys, footpaths, gardens and boundary fence etc. Prior permission must, therefore, be sought from the occupier BEFORE work(s) to ANY part of the premises is commenced, except in cases of dire emergency.

13.4 Should the Contractor fail to gain access in the first visit to any Council-owned housing, the Contractor shall provide and leave a pre-printed postcard in a format to be agreed by the Contract Administrator stating his name, address, telephone number and brief description of the work(s) to be undertaken, and giving the tenant the opportunity to contact the Contractor at the Contractor’s telephone number stated on the card, in order to undertake the work(s) at an alternative suitable time and date. The cost of “lost” visits on the “first” occasion shall be deemed to be included within the Contractor’s Schedule of Rates.

13.5 If, at the second visit, undertaken as a result of an agreed appointment access is still not gained for the purpose of undertaking the required work(s), the Contractor shall provide and leave a second card in a format to be agreed by the Manager which states that access has not been obtained despite two visits and that the required work(s) will be cancelled unless reported again to the Council.

13.6 In the event that the Contractor is unable to gain access after two visits to carry out any work(s) required under the Contract, or where the occupier fails to contact after the first visit, he shall immediately notify the Manager and return the Order issued, appropriately endorsed to the effect that access was not gained stating the reason and that the work should now be cancelled. For Category E and O orders, this action shall be taken if no access is possible after four hours.

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13.7 Where any work(s) required under the Contract may affect occupants of adjoining property, whether Council-owned or in private ownership, the Contractor shall notify the occupier of the property stating the nature of the work(s) to be carried out and the start and completion dates.

13.8 The Contractor shall at ALL times ensure the provision of a safe means of access to all parts of the premises, for all occupiers of the premises, which are affected by work(s) required under the Contract, and a safe means of access for deliveries to an external door by callers.

13.9 The cost(s) of any printed cards or printed matter (which shall be of a good standard/quality, conveying a professional image and shall be agreed by the Manager) or postage revenue etc required under this paragraph are deemed to be included in the Contractor’s Schedule of Rates.

13.10 The Contractor will be required to produce monthly statistical returns of the appointments made and those kept by them.

14 VARIATIONS TO WORKS ORDERS

14.1 If, during the undertaking of work(s) required under this Contract, the Contractor finds that more or less work than that referred to on any Works Order is required as part of the works to which the Works Order refers, he may undertake such work without seeking further approval of the relevant Contract Administrator, or amendment of the Works Order PROVIDED THAT any such variation will cost NO MORE THAN £100 on Works Orders and that full supportive details are supplied to the Manager. Provided also that where less work than that referred to on any Works Order has been undertaken, full details shall be supplied to the Manager. Failure by the Contractor to supply satisfactory details of any additional works carried out, or to satisfy the Manager that all of the additional work was necessary at that time, will result in the Contractor not receiving payment or receiving a reduced payment.

14.2 If additional work as described above is found to be required but is estimated to cost in excess of the limits stated in paragraph 15.1, the Contractor shall seek approval of the Manager prior to undertaking such additional work.

14.3 Where such additional work as described in sub-paragraph 15.2 is identified and approval of the relevant Manager is NOT obtained PRIOR to commencement and subsequent completion of the work(s), the Contractor will not receive payment in respect of the additional work unless, in the opinion of the Manager, such additional work was necessarily required for maintaining essential services, or for the safety of persons residing or working at the premises. Where the Manager is satisfied the work was genuinely required and has been completed satisfactorily to the extent claimed by the Contractor, it will be valued in accordance with the Schedule of Rates.

15 MEETINGS

15.1 Meetings will be held when required by the Manager. The Contractor shall, as no cost to the Employer, attend such meetings, and is to inform any sub-contractors if their presence is required. The Manager will be responsible for the production and circulation of any minutes of meetings.

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15.2 It is anticipated that regular meetings will be held at weekly intervals during the first six months of the contract, and fortnightly thereafter.

16 ACCOUNTS

16.1 A copy Works Order shall be returned attached to the account. The account shall contain the following information:

a) the Works Order reference number;

b) the site address;

c) the value of the Order as issued;

d) itemised details of any works undertaken as variations to the original Order, and the value of such variations;

e) the total value of the amount (ex VAT);

f) the VAT amount;

g) the total value of the account (including VAT).

16.2 Before return of each Works Order, the Contractor shall ensure that he has completed, on the Works Order, all necessary details relative to date and time started and completed, and signature of Contractor.

16.3In addition to the above, the Contractor at the request of the Manager, shall within 10 working days and at no additional cost to the Employer, supply a certified copy invoice for any item or items of plant or materials used in connection with any works order. See also part 3, Contract Conditions.

17 LIQUIDATED DAMAGES

17.1 In addition to sub-paragraphs 26.1 and clause 3.10 of contract conditions liquidated damages may be charged in the following circumstances:

Failure to Complete Work Within Target Time

17.1The Manager produces statistics showing the percentage of works completed within target time for each area. For purposes of the contract, the percentage target to be completed, by the Contractor within time will be:

Year one of the contract: 90%Year 2 94%Year 3 95%Year 4 96%

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17.2At the end of each quarter the statistics on target completions will be analysed and assessed (and the Contractor will be given a copy of these). If the Contractor has failed to meet the percentage target they will be charged liquidated damages, at the rate referred to below, multiplied by the number of orders within that quarter not completed within the target period.

17.3For each works order where the Contractor fails to complete the work within the target time, liquidated damages of £10.00 will be levied against the Contractor. The cost is a genuine pre-estimate of the damages likely to suffered, and any increase will be advised to the Contractor.

17.4If in any four week period the level of default notices exceeds 20, an additional 5% of the payment for that four week period will be deducted.

18 PAYMENT

18.1Whenever, under the Contract, any sum of money shall be recoverable from or payable by the Contractor, such sum may be deducted from or reduced by the amount of any sum or sums then due or which at any time thereafter may become due to the Contractor under the Contract, or any other Contract with the Council.

18.2The Contractor shall assist in any enquiry, inspection, negotiation and adjustment as reasonably required in ascertaining or adjusting monies due on any invoice. The Manager may be entitled to withhold approval of any invoice/account until all the work and pricing covered by that invoice/account has been ascertained or adjusted in accordance with the Contract.

18.3All queries from the Contractor relating to submitted accounts shall include the date and number of relevant invoice(s) together with the relevant Works Order Number(s) to assist in the swift and accurate certification of accounts for payment in accordance with the Contract Conditions.

18.4The Contractor shall retain for production as required by the Manager, all accounts and documents relating to the Contract until either:

a) he has received notification from the Manager that the relevant parts of the Employer’s accounts have been satisfactorily audited; or

b) the expiry of 3 years;

whichever is the sooner.

18.5No account shall be taken in any payment to the Contractor, under the Contract, of any change in the cost to the Contractor of the labour, materials, plant and other resources employed in carrying out the Contract other than those changes made by virtue of Fluctuation Provisions (Item 7 of the Appendix to the Contract Conditions).

19 NOTIFICATION OF COMPLETION OF WORK

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19.1In relation to 24 hour response Work. The Contractor, shall, on each and every working day of the Contract, provide a return detailing which orders issued under the Contract have been completed, the date this occurred, the order number, address, etc to the Manager within 48 hours of completion. The format of this return shall be agreed beforehand by the Manager.

20 TESTING MATERIALS OR WORKS

20.1The Manager may require any materials or completed work(s) to be tested. In this event, the Contractor shall be responsible for arranging such tests, and if they are satisfactory the Contractor will be paid the cost of such tests. Should the test prove the materials or work not to be in accordance with the Specification, the Contractor must bear all costs in connection with the tests.

21 OPENING UP/INSPECTION OF WORK

21.1The Manager may require the opening up for inspection of completed works. In this event the Contractor will be responsible for arranging for such works and the making good of same. If the work(s) are satisfactory, the Contractor will be paid at the rate contained in the Schedule of Rates. Should the work(s) prove not to be in accordance with the Contract Document, the Contractor must bear the costs incurred in replacing and making good unsatisfactory work.

22 CONDEMNED MATERIALS

22.1Should any materials be taken onto the sites which the Manager shall decide to be of inferior quality or description, or improper to be used in the work(s), the same shall be removed from the site within 24 hours after instructions to that effect have been given by the Manager. Other fit and proper materials shall be supplied by the Contractor as soon as practicable in place of those rejected.

22.2In cases of non-compliance with such instructions, the Manager may cause the inferior or improper materials to be taken away or otherwise dealt with as rubbish, without any payment or compensation to the Contractor, and the Contractor shall, on demand, pay the Employer the expenses incurred by the Council in doing so, the amount of such expense to be certified by the Manager. For all purposes of this paragraph, the decision, instructions or certificate of the Manager shall be final and conclusive.

23 DEFECTS LIABILITY PERIOD

23.1If the Contractor fails to make good any defects arising during the Defects Liability Period within 10 working days (or such other period as the Manager may direct) of receipt of written notice from the Manager, the Manager shall have the right to employ and pay another Contractor or other persons to make good the defects, the cost of which shall be deducted from monies due to the Contractor under the Contract.

24 ADDITIONS AND OMISSIONS

24.1The Employer reserves the right to make unlimited additions or omissions to the Schedule of Properties contained in Appendix “A” to the Instructions to Tender and/or to items in the Schedule of Rates at any time during the Contract.

25 CONTRACT DOCUMENTS

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25.1All documents and drawings and copies thereof or extracts therefrom issued in connection with any Order shall, if required, be returned to the Manager upon agreement of the account for the Order.

26 NOTICE BOARDS

26.1 The Contractor shall not display or permit to be displayed any advertisement without the previous written consent of the Council or Manager.

26.2 The Contractor shall not, without the prior written consent of the Council or relevant Manager indicate or infer his connection with, or endorsement by, the Employer within any advertisement or written document, or by verbal communication.

POSESSION OF THE SITE

27 ACCESS TO THE SITE

27.1 The Contractor shall make his own arrangements for access and shall ensure that NO operative(s) trespass(es) upon properties adjoining the site.

27.2 If the execution of work(s) under the Contract necessitates access to an adjoining property, the Contractor shall obtain the necessary permission from the owner or tenant of t he adjoining property BEFORE proceeding. This shall include such personal calls are required to contact the occupiers of the adjoining property and obtaining their agreement to the Contractor’s proposed actions.

27.3 The Contractor shall be mindful of the rights of other owners/occupiers, when requiring such access to adjoining properties.

27.4 The Contractor shall indemnify the Council against all claims, proceedings, loss or expense arising in connection with any trespass or any misconduct of any nature whatsoever on the part of any of the Contractor’s operatives or of any person for whom the Contractor is responsible.

27.5 The Contractor shall have been deemed to have included within his Schedule of Rates for the cost of transport to and from site, and means of reaching the area of work, i.e. ladders, scaffolding, etc.

28 USE OF THE SITE BY THE CONTRACTOR

28.1 Space for depositing materials for the work(s) around the premises is limited, and landscaped areas and garden areas must be protected from damage on this account or on account of carrying in materials for the work(s). Any damage arising to the property, or an adjoining property from depositing materials or debris in the premises, or on external areas and any damage caused by the Contractor’s plant or work operatives shall be made good at the Contractor’s expense to the satisfaction of the Manager.

28.2 Where is it necessary to mix materials on roads, footpaths, verges ,etc., either inside or outside the curtilage of properties, mixing boards must be used, and the area thoroughly

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cleaned and restored after mixing is completed. Inconvenience to passers by must be avoided.

28.3 Plant and materials will only be situated or deposited on road, footpaths or verges where no alternative is practical.

28.4 Where such road, footpaths or verges are in the ownership of the Council, the permission of the Manager must be obtained PRIOR to requirement.

28.5 The Contractor must obtain any necessary Police, Building Control or County Council Highways etc., permission for siting of materials or plant on public roads and footpaths and must observe the relevant Road Traffic Act and any other regulations regarding safety, temporary lighting etc.

28.6 Any damage caused to roads, footpaths or verges, whether in Public or Private ownership, resulting from the Contractor’s operations shall be made good at his own expense. Within 5 working days, unless there is risk of injury in which case it shall be done immediately.

28.7 All materials, debris, surplus or superfluous materials or rubbish etc arising from the work(s) or found on site shall be removed from the area without delay. Burning rubbish or debris will not be allowed in or around the premises.

28.8 The Contractor will be held to have established the availability of licensed tipping areas for all materials, in particular bulk items, and to have allowed for disposal of such materials and rubbish within his Schedule of Rates.

28.9 Depositing materials, debris, surplus or superfluous materials or rubbish etc arising from the work(s) or found on site on garden areas, roads, footpaths, verges etc will not be allowed. The Contractor must allow for skips for such temporary storage of such items and shall be responsible for obtaining Police, Building Control, or County Council Highways, etc., permission for siting skips on public roads, footpaths, and must observe the Road Traffic Acts and any other regulations relating to safety, temporary lighting etc.

28.10 In meeting the above the Contractor must have due regard to the occupier and any neighbouring occupant(s) and take active steps to minimise the effects of dust, debris, etc while work is in progress or in clearing all materials, plant, debris etc from the site.

29 SETTING OUT OF THE WORKS

29.1 The Contractor shall be responsible for setting out of the work(s) required under the Contract, the cost of which shall be deemed to be included within the Contractor’s Schedule of Rates

30 REMOVAL AND PROTECTION OF FURNITURE

30.1 In occupied Council-owned property, the Contractor will be responsible for moving all furniture, furnishings, (including floor coverings) and other belongings, to undertake work(s) required under the Contract. Due allowance should be made in the Contractor’s Schedule of Rates.

30.2 The Contractor shall be responsible for the replacement of furniture, furnishings and personal belongings at the completion of the work(s).

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30.3 In addition to the foregoing, it may be necessary for the Contractor to carry out additional movement of furniture, furnishings and personal belongings during the course of the work(s).

30.4 Such movement of furniture will be held to include the relocation of furniture on a DAILY basis in order to restore adequate working space of the officer during the working day, and the movement of furniture where such furniture has been moved by office workers since the last period of work(s) operation.

30.5 All movement of furniture, furnishings and personal belongings shall be carried out by operatives with appropriate care and attention.

30.6 The Contractor shall provide all necessary protection for occupied premises in the form of dust coverings, to ensure that officers furniture, fittings and personal belongings are thoroughly protected against dust, plaster and paint spillage etc, for the entire period in which work(s) is being carried out.

30.7 The Contractor shall where work is undertaken in occupied properties, vacuum clean as required and at completion of the working day, and in any case, shall leave the premises in a clean and tidy condition upon completion of the work(s).

30.8 Where wires are pinned to walls, windows, doors or surround frames, these must be protected from damage and reinstated to full working condition upon completion of the work(s). The Contractor should allow for any necessary disconnecting and reconnecting of such wires and cables. Where the wires are serving TV aerials, (Town Hall and Beeching Road offices only) electrical mains or telephone installation, these services must be reasonably maintained regardless of the work(s) being undertaken. The Contractor must ensure that any temporary services are satisfactory and any disconnections of the services are agreed with officers or the Manager.

30.9 Under NO circumstances will the Contractor be allowed to use the Council’s furniture, ladders, tools or the like during the period of work(s) to any premises, with our without permission of the Council.

30.10 The Contractor shall be liable for and shall indemnify the Employer against all claims for damage to or loss of property, fittings and furniture, furnishings and personal belongings and all injury to persons by reason of his operations. The Contractor must acknowledge to the claimant, in writing, within FIVE WORKING DAYS, receipt of a claim for any such damage, loss or injury.

30.11 The Contractor shall rigorously pursue any claim, provide full evidence of his actions to the Manager and in any event settle the claim within 25 WORKING DAYS of t he notification of the incident.

30.12 The cost(s) of all foregoing requirements under this paragraph shall be deemed to be included in the Contractor’s Schedule of Rates.

30.13 Wherever repairs, under the Contract, require the removal of television, radio, or other aerials, devices, or cables etc the Contractor shall be responsible for the careful disconnection and removal of such aerials/devices/cables etc. The Contractor shall also be responsible for notifying the owner of the aerial/devices/cables etc. The Contractor shall also be responsible for notifying the owner of the aerial/devices/cables etc, that removal is required, prior to such removal.

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30.14 The aerials/devices etc are to be labelled and stored until completion of the required repairs and then re-erected, connected and tuned by suitably qualified personnel.

30.15 Existing aerials/devices/cables etc which are found to be damaged prior to, or at the time of, disconnection must be reported immediately to the Manager. Failure to do so will result in the Contractor being held liable for such damage.

30.16 The cost(s) of all foregoing requirements under this paragraph shall be deemed to be included in the Contractor’s Schedule of Rates.

31 MAINTENANCE OF EXISTING SERVICES

31.1 The Contractor will be responsible for locating and protecting all services – drainage, gas, water, electricity, telephone, etc, above or below ground level, or within the structure of the premises, during the course of the work(s).

31.2 No diversion of the existing services, etc, other than as may be indicated on an official Works Order, shall be carried out without the agreement of the Manager. Any temporary disconnection of the services, etc, which may become necessary in connection with the work(s), shall be undertaken at such times as may be directed by the Manager. The Contractor shall be responsible for maintaining close liaison with the Manager and the various Utility Companies in order to avoid any disruptions of existing services.

31.3 The Contractor shall be responsible for ensuring that none of his actions shall result in the contamination or diversion of any water supplies, drainage facilities etc.

32 PROVISION OF TEMPORARY FACILTIES

32.1 Where, for any reason, a service CANNOT be maintained for any reasonable period, the Contractor shall IMMEDIATELY notify the Manager and be responsible for providing alternative facilities for the Manager’s agreement.

33 SECURITY OF UNOCCUPIED PREMISIS

33.1 The Contractor will be responsible for securing doors and windows of unoccupied or unattended premises, including the reinstatement of temporary door and window coverings as necessary, upon completion of the work(s) or at the end of each working day or whenever the site is to be left unattended by the Contractor for any period, however temporary.

34 INJURY TO PERSONS/LOSS OF PROPERTY

34.1 For the Contractor’s liabilities and responsibilities, see Section 6 of the Contract Conditions.

HEALTH AND SAFETY PROVISIONS

35 HEALTH, WELFARE AND SAFETY

35.1 The Contractor shall, without prejudice to any other statutory requirements, comply with and maintain welfare and safety measures up to the standards outlined in the Construction Regulations 1961 and 1966 and any amendments thereto, in respect of General Provision, Listing Operations, Working Place, Health and Welfare and, where applicable, the Offices, Shops and Railways Premises Act 1963 and the Factories Act 1961. The provision of the

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Health and Safety at Work etc Act 1974 and any regulations made under the Act together with the Construction (Design and Management) Regulations 1994 are to be fully complied with by the Contractor, his sub-contractors and by their employers.

36 SAFETY POLICY AND SAFE WORKING SYSTEM

36.1 Under the Health and Safety at Work Act 1974, the Council is required to prepare a statement of its policies and duties to ensure the health, safety and welfare at work of all its employees. A copy of the Council’s Safety Policy Statement is contained at the end of these Preliminaries.

36.2 Under the terms of the health and Safety act as amended, it is the contractors responsibility to carry out risk assessments on all work prior to commencing the task. These risk assessments are to enable the contractor to identify and reduce the risk to the staff, public, contractor and the Council and the findings of this assessment must be acted on in accordance with the guidelines of the Health and safety Executive. Generic risk assessments should be passed to the Manager for appraisal at the start of the contract. Each task or site specific risk assessment will need the approval of the Manager before work commences.

36.3 The Contractor will be expected to have regard to these when preparing his own Statement and Codes of Practice, a copy of which shall be provided to the Council with his tender and the standards of which must be at least equal to those of the Council.

36.4 The Contractor shall permit the Council’s Safety Adviser or other authorised representative of the Council to enter upon the site of the work(s) at any time during working hours, and have free and unhindered access to each and every part of the area covered by the work(s) or affected by that work.

36.5 The Contractor shall, AT ALL TIMES, observe and apply the provisions of his Safety Policy and Safe Working System during the execution of the work(s) including, where there is a sub-contractor, ensuring compliance by such sub-contractor. The contractor shall produce and have approved by the Manager a method statement for each works order prior to work commencing. This method statement shall be written in conjunction with the task risk assessment, see 37.2 above.

36.6 During his/her inspections, the Safety Adviser or his/her authorised representative will inform the Contractor, initially verbally and subsequently in writing, of any method of operation or other matter which, in his/her opinion, falls below the requirements of the Safe Systems of Work and/or statutory requirements, and that the matter will be reported to the Health and Safety Inspectorate, should remedial action not be immediately taken.

37.2 The Contractor will be liable for any expense incurred if the Manager is obliged to take any steps to enforce safety regulations.

36.8 In the event of an accident occurring the contractor must investigate the accident using the guidelines of the health and Safety Executive. Should the accident lead to time off work or a hospital visit the contractor must notify the relevant authority, following the RIDDOR procedure.

37 HAZARDOUS MATERIALS

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37.1 When carrying out work of any kind on known hazardous materials, particularly on asbestos based materials, attention is drawn to the Health and Safety Executive’s (HSE) requirement that competent specialist sub-contractors shall be used. This requirement will be strictly enforced and under NO circumstances will unqualified operatives be allowed to execute such works.

37.2Where the Contractor is qualified to undertake such work(s) it shall be executed strictly in accordance with HSE recommendations and any other statutory requirements ruling at the time of the work(s) AND under the direction of the Council’s Director of Services.

37.3 If during the course of any work(s) the Contractor discovers the presence of asbestos or any other hazardous material or substance, he shall immediately notify the Manager and arrange with a specialist contractor (if not qualified) to undertake the works, the cost to be the subject of agreement between the Council or Manager and the Contractor.

37.4 The Contractor shall be responsible for ensuring that no hazardous or any other material, chemical etc is allowed to contaminate any land, building, drainage, water courses etc and that any of these shall be removed and disposed of immediately and responsibly. The cost of this and preceding paragraphs deemed included within the Contractor’s Schedule of Rates.

38 PLANT/MACHINERY USE

38.1 The Contractor shall be responsible for ensuring that all works operatives, including sub-contractors, comply with all current legislation and statutory requirements in respect of the safe working practices relating to the use of any plant, machinery or tools used in the execution of works under this Contract wheresoever used. Without prejudice to the generality of the foregoing, the Contractor and all sub-contractors shall pay particular regard to the employment of safe working practices for works in the vicinity of tenants, children and the public.

39 CANCELLATION OF ORDERS FOR HEALTH AND SAFETY REASONS

39.1 In the event of default by the Contractor in the proper observance of any necessary Health and Safety requirements, cancellation of any Works Orders by the Manager shall not result in the Council being obliged to reimburse either any costs incurred by the Contractor or the value of any abortive work except to such extent (if any) as those costs of that abortive work were incurred or performed without contravention of the Health and Safety requirement in question.

CONTRACTOR’S WORKING PRACTICES

40 GOOD WORKMANSHIP/PRACTICE/MATERIALS

40.1 The Contractor shall with due diligence and in good and workmanlike manner carry out and complete any work(s) which are required under the Contract, using materials and workmanship of the quality and standards either specified OR implied within the Contract Documents.

40.2 All materials shall be of new manufacture, unless specified to the contrary by the Manager and of the respective kinds described in the Contract Documents or as directed by the Manager. The Contractor shall, upon the request of the Manager, prove to the satisfaction of that Officer that the materials so confirm.

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40.3 The entire work(s) shall be executed in ALL respects to the total satisfaction of the Manager.

41 CARRIAGE AND TRANSPORT

41.1 The Contractor’s Schedule of Rates is deemed to include the cost of all carriage, transport and freightage of workpeople, materials, plant and anything else required for the proper and efficient execution and completion of the work(s) required under the Contract. No extra payment or allowances for Road Tax, MOT testing, Motor Vehicle Insurances, petroleum, diesel fuel, lubricants, repairs etc, will be allowed under the Contract. The Contractor’s vehicles and those of any subcontractors shall be clean, roadworthy and of satisfactory appearance, and signwritten in order to convey a professional image and enhance the reputation of the Council and Contractor.

42 TEMPORARY BUILDINGS

42.1 The Contractor shall provide all necessary temporary buildings required to adequately provide messing and toilet facilities for his staff and operatives (including that of sub-contractors) and for the storage of materials, plant, etc. Such temporary buildings shall be sited to the approval of the Manager, and shall be the subject of any necessary planning permission to be obtained by the Contractor.

42.2 Under NO circumstances shall the Contractor use any Council-owned premises for the purpose of messing or storage, without the prior written permission of the Manager. Where such permission is granted, the Council will make a reasonable charge for such use.

43 CONTROL OF NOISE

43.1 The Contractor is responsible for ensuring that the noise produced as a result of the works is kept to an absolute minimum, for both the occupier and neighbouring occupier(s).

43.2 The use of radios, personal stereos, cassette players, or portable televisions etc shall NOT be permitted on any Council-owned premises by the Contractor or any persons acting on his behalf.

43.3 In addition to the foregoing, the Contractor shall ensure that all measures to control noise levels produced by his operations on site required under or by virtue of any enactment or regulations, or by working rule of any industry, are strictly complied with and he must allow for indemnifying the Council against any action concerned therewith arising from the execution of the work(s).

43.4 The Contractor’s attention is drawn in particular to the Noise Abatement Act 1960 and all amendments thereto. Guidance on measures which can be taken to control noise levels is given in the Department of the Environment Advisory Leaflet 72 on Noise Control on Building Sites. Specifically the Contractor shall arrange in respect of all work(s) undertaken under this Contract:

a) that all compressors used on the site are silenced by using only fully silenced models fitted with effective exhaust silencers and properly lined and sealed acoustic covers, all to the designs of the manufacturers of the compressors or by the use of effective acoustic screens around the noise source;

b) that the ancillary pneumatic percussive tools used on the site are fitted with silencers or a type recommended by the manufacturers of the tools;

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c) that every such compressor, silencer or other device is maintained in good and efficient working order and shall not have been altered in such a way that the noise caused in operation is made greater by such alteration.

44 CONTRACTOR’S USE OF TELEPHONES

44.1 Telephones located in any Council-owned premises shall NOT be used by the Contractor or any persons acting on his behalf unless by prior agreement and with the permission of the relevant Council officer. Where permission is granted, payment for each call may be charged to the contractor.

45 LIGHTING AND POWER

45.1 Except as provided for in sub-paragraph 49.4, the Contractor will provide all temporary lighting and power for use on work(s) required under the Contract, pay for all temporary connections, leads, fittings, etc, and clear away and make good on completion.

45.2 All temporary electrical work shall comply with the Home Office Regulations, the 16 th

Edition of the Regulations or latest edition for Electric Equipment of Buildings issued by the Institute of Electrical Engineers (with particular reference to the sections dealing with temporary electrical installations on construction sites), the relevant Codes of Practice, the requirements of the appropriate Electricity Board, and any amendments or additional regulations or requirements as may apply.

45.3 The Contractor will make his own arrangements in unserviced premises for temporary electrical supply, in accordance with the Health and Safety at Work etc Act 1974.

45.4 In Council-owned property, the Contractor shall NOT assume any “right” to use of the electrical or gas supplies, and shall be required to seek prior permission of the Manager before making sure of such facility. Where permission is granted, the Contractor may arrange with the manager to make an appropriate payment to them for the assessed units of power source used during the course of the work(s).

45.5 In cases where permission is NOT granted, the Contractor shall be liable for providing an alternative portable or temporary power source.

45.6 The cost(s) of all requirements under this condition shall be deemed to be included in the Contractor’s Schedule of Rates.

46 WATER FOR THE WORK(S)

46.1 The Contractor shall provide clean fresh water for use on the works, pay all charges in connection therewith, and provide, maintain, and remove on completion of the work(s) all necessary temporary runs, storage cisterns, plumbing connections, standpipes, etc.

46.2 Where the Contractor obtains permission from the Manager to utilise the water for the works from the existing supply to the premises, such arrangement shall be entirely between the Contractor and Council. Proof of such arrangements must be recorded.

47 MATERIALS ARISING FROM SITE

47.1 Surplus materials arising from the work(s) (unless provided by the Employer) shall become the property of the Contractor and shall be removed from site. However, the Council retain the right to require the Contractor to surrender any material(s) or object(s) which are

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considered to be of architectural, historical or other value. The requirement to surrender such items shall be confirmed to the Contractor, in writing, by the relevant Manager.

47.2 Salvage value of surplus materials retained by the Contractor shall be allowed for in the Contractor’s Schedule of Rates.

48 MAKING GOOD DAMAGE

48.1 During the Course of, or at the completion of any work(s), the Contractor shall make good, at his own expense, and to the satisfaction of the relevant Contract Administrator, damage to any property or possessions of the Council or employees, OR those of any privately owned adjoining property, or any other third parties, which may through negligence have been caused by any operatives acting on behalf of the Contactor.

49 WATCHING/LIGHTING/PROTECTING

49.1 The Contractor shall provide all watchmen necessary for the protection of any site(s), work(s) and of materials and plant and all things on the site(s) during the progress of the execution of the work(s), and shall be solely responsible for and shall take all reasonable and proper steps for protecting, securing, lighting and watching all places on or about the work(s) and site(s) which may be dangerous to his operatives or to any other person whomsoever. The Contractor shall also give all requisite notices to Local and other Authorities, obtain licences and pay all fees legally demandable in connection with same. Such costs are deemed to have been included in the rates contained in the Contractor’s Schedule of Rates.

50 PARKING OF CONTRACTOR’S VEHICLES

50.1 Neither the Contractor, nor ANY person acting on his behalf, shall park vehicles of any description in such a way as to cause obstruction to roadways, footpaths, grass verges, garage compounds or means of access.

50.2The Contractor shall not allow any vehicles to be taken across public or privately owned grassed verge or open land for the purpose of deliveries, collection or any other reason whatsoever except with the express permission of the Manager which shall be confirmed in writing. Any damage caused to such areas, shall be re-instated at the Contractor’s expense and to the complete satisfaction of the Manager.

51 CONTRACTOR’S USE OF SANITARY FACILITIES ETC

51.1 Sanitary facilities located in any occupied Council-owned premises, other than Council-owned public conveniences, shall not be used by the Contractor or any persons acting on his behalf without the prior permission of the occupier.

51.2Cooking facilities located in the Council-owned properties shall not be used by the Contractor or any person acting on his behalf without the prior permission of the occupier.

52 PROTECTION OF BUILDINGS ETC

52.1 The Contractor shall be responsible for ensuring that no work(s) is undertaken that may directly or indirectly injure the structural stability, surface or decorative finished, boundary walls, fences, hedges or railings, etc, of either the property to which any work(s) refer OR any adjoining property.

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52.2 The Contractor will be held responsible for all damage arising through carelessness, inadvertence, recklessness or negligence in this respect.

53 PROTECTION OF PERSONS AND PROPERTY

53.1 The Contractor shall take every precaution, whilst carrying out any work(s) under the Contract, to ensure the safety of the general public, Council staff and any other person(s) likely to be affected by the work(s) operations.

53.2 The Contractor will be held liable for any claim(s) for personal injury or damage arising out of any work(s).

53.3 Without prejudice to the generality of the foregoing, the Contractor shall comply with the “Control of Substances Hazardous to Health Regulations 1989” (COSHH).

54 PRECAUTIONS AGAINST FIRE AND OTHER RISKS

54.1 The Contractor shall take all necessary precautions to prevent loss or damage from any of the accepted risks, and to minimise the amount of any loss or damage caused by an Officer of the Council.

54.2 The Contractor shall comply with all prevailing Fire Orders and Fire Regulations and with any such instructions to this end as may be given to him from time to time in writing by the Manager, whenever undertaking work(s) required under the Contract in any buildings to which such Orders relate or are in force.

54.3 The Contractor shall strictly comply with any statutory regulations or recommendations which govern the storage of petrol or any other inflammable liquids or gases of any kind.

54.4 The Contractor shall take all necessary precautions when using any device or equipment in or around any property, and used in connection with any work(s) required under the Contract, to avoid any risk of damage by fire, etc.

54.5 The Contractor shall be held liable for any damage resulting from heat or fire caused by the operation or use of any equipment or due to any negligence of operatives employed by, or the responsibility of, the Contractor.

55 PROTECTION OF GARDENS AND PLANTS

55.1 The Contractor shall take all necessary precautions to avoid damage to trees, lawns, hedges, plants or any other landscape or parks items including garden ornaments and external structures such as sheds and outbuildings. Damage to such items, however caused, shall be made good or replaced or compensated by the Contractor to the satisfaction of the Manager within 15 WORKING DAYS.

56 REMOVAL OF DEBRIS AND RUBBISH

56.1 The Contractor shall regularly clear away all dirt, debris, rubbish, surplus and superfluous materials to a properly licensed tip as they accumulate and keep the interior, exterior and grounds of the sites clean and tidy at all times, and shall also prevent them spreading to neighbouring areas.

56.2 All entrances, exits, paths, highways and public footpaths are to be kept clear at ALL times, except where acceptable alternatives are agreed in advance with the Manager.

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56.3 The Contractor shall be responsible for supplying any bins or skips for the removal of rubbish or storage of building materials and shall also be responsible for making applications for, and obtaining permission for, the siting of such bins, skips or materials on the Highway, and for providing necessary lighting warning devices or protective enclosures as may be required by the Licensing Authority or in the interest of safety to members of the public.

56.4 The cost of such debris or rubbish removal, including the cost of bins, skips or other items, and the cost of any licences appertaining thereto, shall be deemed to have been included within the Contractor’s Schedule of Rates.

57 PROTECTION OF DRAINS AND GULLIES AND WATER COURSES

57.1 The Contractor shall take all reasonable steps to ensure that no ballast, sand or any other material, including debris from “washing down” is discharged into drains, gullies or water courses wheresoever located. Any cleaning necessary shall be at the Contractor’s expense.

58 PROTECTION OF WORKS

58.1 The Contractor shall be responsible whilst on site for the security of the buildings, and of the work(s) being undertaken by him, from the start to the completion of the work(s), whether or not the premises are occupied.

58.2 The Contractor shall be held to have allowed for the necessary measures required to prevent ingress of unauthorised persons including all necessary securing or infilling of windows, doors and other openings.

58.3 The Contractor shall also be responsible for the security of the contents of Council premises when unoccupied during the Contractor’s working day, from the start to the completion of the work(s).

58.4 The Contractor shall be responsible for ensuring the adequate protection of work and property against the ingress of wind, rainwater, snow or other adverse weather conditions which occur as a result of work(s) being undertaken under the Contract.

58.5 The Contractor shall be responsible for adequately protecting the work(s) against accidental damage or vandalism from start to completion of the work(s).

58.6 The Contractor shall be liable for any damage, loss or theft arising through lack of providing such adequate security or protection.

58.7 In the case of all occupied dwellings, the Contractor must maintain at least one habitable room and all services operable for the duration of the work.

59 WORKING IN WINTER AND DRAINING OF WATER

59.1 The Contractor shall, during the winter months from 1st November to 1st April the following year, upon completion of any work(s) within an unoccupied building, completely empty the water system unless:

a) instructed to the contrary by the Manager and confirmed as such IN WRITING. The written confirmation may be by letter, Works Order, or similar means; or

b) where a central heating system is operating as a frost protection.

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59.2 For the duration of any work(s) in unoccupied property, the Contractor shall, whenever the air temperature is expected to fall below 0 degrees centigrade, completely drain down and protect all water systems at the end of each day or during periods of extended absence from the property.

59.3 The Contractor shall be responsible for supplying and fixing a “Warning” Notice(s), advising of the draining down of the system. Each notice shall be of minimum dimension 300mm x 200mm and placed securely in a prominent position at the source or sources of water heating equipment.

59.4 The Contractor shall take all steps necessary to protect the work(s) from inclement weather and will be expected to avail himself of all reasonable means and aids to building in inclement weather that are currently available. Wherever practicable, continuity of working and productivity must be maintained to prevent or minimise any delays (subject to specification requirements).

59.5 The cost of the provision of heating appliances, protective coverings and all other costs relating to working in inclement weather are deemed to have been included in the Contractor’s Schedule of Rates.

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HEALTH AND SAFETYPOLICY STATEMENT

INTRODUCTION

This is a statement of policy by the Rother District Council about its intentions, organisation and arrangements for ensuring the health and safety at work of its employees, customers, visitors and contractors whilst they are present in the Council’s offices, workplaces or elsewhere on Council business.

Supplementary to this general Policy Statement, there are specific policies and procedures describing in detail health and safety provisions in each part of the organisation.

STATEMENT OF INTENT

It is the policy of the Council to ensure, so far as is reasonably practicable, the health, safety and welfare of its employees while they are at work and of others who may be affected by their undertakings, and to comply with the Health and Safety at Work, etc., Act 1974 and all other relevant legislation as appropriate.

OBJECTIVES

In order to achieve compliance with the statement of policy, the Council has set the following objectives:

To set and maintain high standards for health and safety at its offices and workplaces and for staff carrying out duties on behalf of the Council;

To identify risks and set in place programmes to remove or reduce these risks; To ensure that all personnel are given the necessary information, instruction and training to

enable them to work in a safe manner; To ensure the dissemination and discussion of relevant information on safety and health

issues; To develop promotional campaigns and otherwise to encourage safety and health awareness

of employees and residents; To monitor its operation at each office, workplace and other locations.

RESPONSIBILITIES

To ensure the prevention of ill health and the avoidance of accidents, and the promotion of safe and healthy workplaces, the following responsibilities have been established.

CHIEF EXECUTIVE

The Chief Executive has responsibility on behalf of the Council for implementing this policy and monitoring its implementation through the Head of Human Resources.

HEAD OF HUMAN RESOURCES

On behalf of the Chief Executive, the Head of Human Resources is responsible for the day to day communication of general health and safety advice, the review of the Policy and of the Council’s Health and Safety Manual ensuring that it is amended as and when necessary. This Officer will also carry out Safety Audits at not more than two year intervals.

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CHIEF OFFICERS

The Chief Officers are responsible for:

Monitoring the Policy’s implementation within their respective Departments setting targets or objectives where appropriate with particular reference to the conduct of Risk Assessment and Safety Inspections;

Bringing to the Head of Human Resources’ attention any faults or areas of weakness in the Policy or its implementation;

Ensuring that the relevant resources are made available to enable the Policy to be implemented.

HEAD OF SERVICE

All Heads of Service are responsible for:

The practical implementation of the Health and Safety policy, the Health and Safety at Work etc., Act 1974, and other relevant legislation;

Ensuring that the operations under their control are, as far as is reasonably practicable, conducted without detriment to the health and safety of personnel or others who may be affected by their activities;

Ensuring that their area of responsibility is subject to risk assessment and regular inspections; Ensuring that all accidents, incidents and near misses, within their area of responsibility, are

reported. Reviewing all such reports and ensuring that a full investigation is carried out and appropriate remedial action taken, where necessary.

SAFETY REPRESENTATIVES

The role of the Safety Representative is to:

Communicate policy on health and safety matters within their work areas; Encourage all personnel to be involved in matters of health and safety; Attend Local Staff Joint Committee meetings when health and safety matters are under

consideration; Carry out periodic inspections to identify unsafe equipment, working conditions, practices and

fire hazards, make reports of findings and recommendation regarding the remedying of any defects;

Assist with risk assessments; Assist with accident investigation; Consult with managers on all issues of health and safety.

INDIVIDUAL RESPONSIBILITES

All employees are required to:

Co-operate in implementing the requirements of all Health and Safety legislation, related codes of practices and safety instructions;

Refrain from doing anything which constitutes a danger to themselves or others; Immediately bring to the attention of their line Head of Service/Supervisor any situations or

practices that are noted which may lead to injuries or ill health; Ensure that any equipment issued to them, or for which they are responsible, is correctly used

and properly stored; Be responsible for good housekeeping in the area in which they are working;

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Report all accidents, incidents, dangerous occurrences and near misses.

SAFETY COMPLAINTS PROCEDURE

The following procedure is to be adopted by personnel making a safety complaint;

The member of staff is to approach his/her Supervisor with the complaint; If there is a failure to rectify the problem within a reasonable period of time, a joint approach

may be made by the member of staff and the appropriate Safety Representative to the Head of Service;

If the Safety Representative fails to obtain a satisfactory explanation, taking into consideration the nature of the complaint and the time and costs required to rectify it, he/she should complete a Safety Representative’s Inspection and Report form for the appropriate Director’s attention;

Where a complaint about a safety matter is considered to be urgent the Safety Representative may refer it to the Head of Human Resources directly.

HEALTH AND SAFETY COMMITTEE

The Health and Safety Committee has a specific responsibility in that it is the forum for consideration of all health and safety matters. The Committee comprises of one Safety Representative from each Department, together with the Head of Human Resources. It reports to the Personnel and General Purposes Committee and has responsibility for:

Identifying all areas of health and safety which have policy implications, including health and safety legislation, with regard to employees, customers, visitors, and contractors while in offices, etc., of the Council;

Evaluating implications of these issues to the Council and advising on their prioritisation with regard to resources and implementation;

To advise the organisation on all matters concerning health and safety.

Where a difference of opinion or approach occurs reference of the matter will be made to the Local Staff Joint Committee.

CONTRACTORS

All Contractors working for, or on behalf of, the Council are required to comply with appropriate rules and regulations governing their work activities. Contractors are legally responsible for their own workforce and for ensuring that their work is carried out in a safe manner.

CONSULTATION AND TRAINING

The Council is committed to involving staff at all levels in the maintenance of Health and Safety standards and to provide them with adequate information, instruction and training.

COMPETANT PERSON

It is a requirement that the Council appoints, in consultation with the appointed Safety Representatives, a Competent Person that is someone who assists the Authority in achieving compliance with Health and Safety legislation in order to fulfil its obligations; the Competent Person is the Head of Human Resources.

POLICY REVIEW

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The effectiveness of general policy statement and other specific policies in use throughout the Council’s activities will be regularly reviewed and revised as and when necessary.

SIGNED………………………… NAME:……….DEREK STEVENS………

CHIEF EXECUTIVE DATED…………………………………….

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ROTHER DISTRICT COUNCIL



PART 4

SCHEDULE OF RATES

PREAMBLES

Works Section PAGE NO:

A - SPECIFICATION AND PRICING NOTES 4/35

G - GENERAL BUILDING WORKS 4/37

R - ROOF COVERNINGS 4/50

W - WINDOWS AND DOORS 4/56

C - CARPENTER SUNDRIES 4/62

P - PLUMBING 4/67

E - ELECTRICAL 4/73

S - SURFACE FINISHES 4/82

D - DISPOSAL SYSTEMS 4/92

X - EXTERNAL WORKS 4/100

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SECTION A – SPECIFICATION AND PRICING NOTES

A1 GENERAL REQUIREMENTS

A1.1 Compliance with all Sections:

1. The materials, goods and workmanship utilised in the execution of the Works shall comply with all the relevant Works Sections of these Preambles. For example, renewing or repairing a plumbing item might involve electrical, carpentry and finishing trades. In every case the Contractor shall refer to this section and any other sections appropriate to the work in hand.

2. In any section reference may be made, either specifically or generally, to the requirements of British Standards, Codes of Practice, the Building Regulations, Statutory Requirements or to the recommendations of trade associations or professional bodies. Such references shall be deemed to apply to rulings and requirements current at the time of publication of these preambles or as subsequently amended, revised or replaced. Where such reference is made in any particular section the requirements shall be deemed to apply to any other section appropriate to the work in hand.

A1.2 Materials. Goods and Workmanship

1. All materials, whether or not specified by brand name in these Preambles, shall be used in strict accordance with the manufacturer’s instructions and recommendations.

2. In the absence of any stated requirement all materials, goods and workmanship shall be suitable for the purpose, as new, of merchantable quality, and as far as is practicable the best of their respective kinds.

3. In the absence of any stated requirement all materials, goods and workmanship shall confirm to the appropriate British Standards, current Building Regulations, Codes of Practice, etc, Statutory Requirements or to the recommendations of trade associations or professional bodies and in the case of alternatives arising between any of the foregoing the Managers decision shall be sought and that decision shall be final.

4. The expressions “ordered”, “instructed”, “approved”, “directed”, “agreed”, or “selected”, shall, unless the context otherwise dictates mean the order, instruction, approval, direction, agreement or selection of the Manager, whose decision shall be final.

A1.3 Compatibility with Existing Features

1. The completed work shall be compatible with and shall aesthetically match all existing features which are the subject of or adjacent to the work.

2. Existing lines and levels are to be maintained, the new work being carried through at or to the same lines and levels wherever practicable.

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A2 PRICING

A2.1 Prices Inclusive of all obligations

The prices in the Schedule of Rates as inserted in the Form of Tender shall be deemed to include all costs in respect of local conditions, labour, materials, plant, scaffolding and/or mobile towers (except as specifically stated hereunder), equipment, tackle, machinery, tools or other appliances, removal of rubbish and debris, etc, provision of hoardings, fans, etc, lighting, temporary buildings, and everything necessary for the use of the Contractor’s workmen together with all insurances, transport, overheads and profit and all other obligations, liabilities and services described in Parts 1 to 4 inclusive of the Tender Documents but not any element of Value Added Tax.

A2.2 Prices Inclusive of Working Space, Plant and Scaffolding etc

1. The Prices also include for the whole of the following which are not separately priceable:

1. Working in and around existing buildings.2. Working at any level from damage.3. Protecting the work from damage.4. Bringing to site, maintaining on site and removing from site all plant

and scaffolding and/or mobile towers required for the Works.

2. The prices in the Schedule of Rates are for such work as may be ordered by the Manager. No additional payments will be made to the Contractor in respect of any costs of any over time or of any shift working and/or night work. The Contractor shall be deemed to have allowed in the percentage adjustments inserted on the Form of Tender for any such overtime, shift working or night work payments.

3. The provision of all scaffolding and/or mobile towers necessary for the proper execution of the Works is included in the rates payable for items of work contained in the Schedule of Rates. Scaffolding and/or mobile towers will only be paid for as an additional cost when provided on the written instruction of the Manager in the following circumstances:

1. When provided for the sole use of Sub-Contractors (where the Orders for the execution of work are placed by the Contractor on the instructions of the Manager, other Contractors or the Authority’s own labour;

2. When provided for emergency works, eg, collapsed walls;

3. When provided specifically for the purposes of inspection by the manager or consultants.

4. When the provision of any such scaffolding and/or mobile towers is so instructed, the Contractor shall be reimbursed the net price payable by him to the scaffolding sub- contractor subject only to the addition of a percentage on-cost to cover attendance and profit, all in accordance with Clause 13 of Part 2 of the Tender Documents, “Form of Tender and Forms

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for Completion”, subject to the Manager’s authorisation that the price is fair and reasonable.

5. The removal of all surplus materials, rubbish and debris arising from the execution of the Works is included in the rate payable for items of work contained in the Schedule of Rates.

6. The provision of temporary screens, temporary coverings to roofs and temporary works in boarding up door or window openings only be paid for as an additional cost when ordered separately on the written instruction of the Manager.

A3 DEFINITIONS

A3.1 Terms used in the Schedule of Rates – Descriptions and Prices

1. “Approved”, “Directed”, “Selected”, and similar expressions relate to the decisions of the Contract Administrator.

2. “Make good”, repair and renew finishings to match existing work around, into, over and up to new items, openings and the like and proper jointing to existing.

3. “Remove”, take down, detach, dismantle existing work and cast away to tip unless otherwise instructed.

4. “Renew”, “regularise”: includes removal of existing work or item where not expressly stated.

5. “Ordered separately”: means items ordered specifically by the relevant

Manager or his representative. Such items may not be claimed by the Contractor unless included on the order or the subject of a subsequent agreed variation.

6. Units of measurements – abbreviations used:

cm = cubic metresm = square metrelm = linear metreea = eachpr = pairitem = means a composite item included a number of related tasks

necessary for completion of the works described.

7. Measurement – Unless stated or implied in the individual rate item, where a unit of measure (eg Linear metres, square metres, cubic metre, etc) is quoted then this will be the minimum. Beyond the minimum fractions of a unit less than half shall be disregarded and all other fractions shall be regarded as a whole unit – except for glass where the minimum shall be 0.5m2.

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SECTION G – GENERAL BUILDING WORKS

G.1 GENERAL

G1.1 Compliance with all sections

The Contractor is referred to Section A hereof and the obligations to comply with Section A and any other sections appropriate to the work in hand.

G2 EXCAVATING AND FILLING

G2.1 Nature of Site and Sub-soil Conditions

1. The Contractor shall be deemed to have allowed for ascertaining the nature of any ground to be excavated and carrying out all actions necessary including the removal of all obstructions, ground water, etc, encountered.

2. Excavations to be kept clear of water by pumping, draining or baling, continuously if necessary, throughout the progress of the work. No concrete, brickwork or drains shall proceed unless the excavations have been clear of water for at least 4 hours beforehand.

3. Increases in bulk of excavated materials are deemed to be allowed for by the Contractor.

4. Excavations may be subject to inspection and approval by the Building Inspector or Manager before further work is carried out.

5. In the event of the Contractor excavating to a greater depth than necessary or due to soft spots, removal of roots, obstructions etc, the level shall be made up with suitable material in an approved manner and all without cost to the Council.

G2.2 Supports to Excavations and Structures

1. The Contractor shall be responsible for upholding the sides of all excavations and supporting all features exposed such as foundations and drain, with timbering, planking, strutting, sheet piling etc as appropriate to suit the ground conditions.

2. Particular care shall be taken when excavating adjacent to roadways or like areas where excessive or eccentric surcharge loads might be encountered.

3. Where it is necessary for the safety of the work to leave in certain timbering, planking and strutting etc, such timbers shall be measured and agreed before covering up.

G2.3 Filling

1. Excavated materials returned to excavations shall be deposited in layers not exceeding 225 mm thick each layer well consolidated.

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2. Where filled areas are to receive concrete, pavings and the like then backfill shall be with clean dry broken brick or stone to pass a 100 mm sieve well consolidated in layers not exceeding 150mm thick and the final surface suitably blinded with fine materials to receive the concrete or pavings.

G2.4 Disposal

The Contractor shall provide his own dump or tip for all unwanted excavation materials and include for carting away from the site and paying all tipping fees where required.

G2.5 Soiling and Turfing

1. The Contractor must allow for all top soil from the excavations to be wheeled to and retained in a separate heap, and for wheeling to and levelling soil at grassed and planted areas.

2, Grassed areas affected by the works shall be preserved from damage and all turves reinstated upon completion. New turf shall be provided if necessary.

G2.6 Consolidation and Subsidence

1. Filling for the formation of paths and paving for pedestrian traffic shall be consolidated to the required levels to a compaction equivalent to that obtained with a 2.5 to 3.0 tonne roller.

2. Filling for the formation of pavings for vehicular traffic shall be consolidated to a compaction equivalent to that obtained with a 6 to 10 tonne roller.

3. Subsidence of areas filled by the Contractor which appears within six months of the completion of the work shall be made good to the originally acceptable level and the damaged surface finishing shall be reinstated, all at the Contractor’s expense.

G2.7 Open Excavations, etc

1. All necessary fencing, lighting and watching excavations necessarily left open for any length of time shall be deemed to be included in the rates.

2. The rates are deemed to include for working around and properly supporting any drains, pipes or cables encountered in any excavation.

3. The cost of repair to, and loss resulting from, any damage to any drain, pipe or cable encountered in excavation shall be borne by the Contractor.

G3 CONCRETING

G3.1 Cement

1. The cement shall be “Ordinary” Portland Cement in accordance with BS 12, delivered to site in sound condition and stored and protected from deterioration. Any cement which has become caked or otherwise adversely affected is to be removed from the site.

2. Sulphate-resisting cement shall comply with BS 4027.3. High Alumina cement shall not be used.

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G3.2 Aggregates

1. Aggregates for concrete shall comply with BS 882 and BS 1047.

2. The fine aggregate shall be well graded coarse river sand of Grading Zones 1-3, clean natural sand or crushed stones.

3. The coarse aggregate shall consist of natural gravel, crushed gravel, or crushed stone, well graded and of the nominal sizes as specified hereafter.

4. The fine and coarse aggregates shall be washed and stored on a hard, clean base free from contamination and shall be kept clean and well graded and apart from one another until final mixing.

5. Frozen aggregates or aggregates containing frozen material are not to be used.

G3.3 Water

1. The water for mixing concrete shall be suitable for drinking and at a temperature not less than 4 degrees centigrade at the time of use.

2. The water is not to contain matter injurious to concrete and shall satisfy the requirements of BS 3148.

G3.4 Concrete Mixtures

Admixtures

No additives to assist workability or to advance, retard, waterproof, strengthen or in any way affect the concrete work will be permitted without the written approval of the Manager.

G3.5 Transporting Concrete

1. The concrete shall be transported from the place of mixing to the place of final deposit as rapidly as practicable by means which will prevent segregation or loss of or addition to the ingredients. It shall be deposited as nearly as practicable in its final position so as to avoid rehandling or flowing.

2. All skips, vehicles, or containers used for transporting the concrete shall be kept clean.

G3.6 Placing Concrete

1. The concrete shall be deposited in its final position immediately after mixing. It shall be carefully placed in position and not tipped from a height exceeding 1.25 metres. No retempering of partially set concrete shall be permitted.

2. All concrete is to be deposited in layers not exceeding 225mm thick and shall be thoroughly tamped to exclude any voids. Concrete in reinforced work shall be carefully packed around the reinforcement and against the forms to ensure good surfaces free from “honeycombing”. Great care must be taken to ensure that the reinforcement is not displaced from its correct position during concreting and that the minimum recommended cover is achieved.

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G3.7 Construction Joints

As far as possible sections of the work shall be completed in one operation. If it is necessary to join up with work which has been stopped, the surface shall be hacked and roughened, thoroughly cleaned and coated with cement slurry (1:1) before concreting is resumed.

G3.8 Protection and Curing

1. No concrete shall be deposited when the temperature is below 2 degrees centigrade on a falling thermometer, or below 1 degree centigrade on a rising thermometer, except when specially approved precautions have been taken. In frosty weather all newly placed concrete must be kept properly protected.

2. After being placed, concrete shall not be disturbed, loaded, or bear traffic or be walked on for 7 days.

3. All concrete shall be kept thoroughly damp for at least a week after concreting and special precautions shall be taken to prevent it drying out too quickly.

4. Any concrete damaged during setting from any cause whatsoever shall be cut out and replaced by the Contractor at his own expense.

G3.9 Expansion Joints

All paving over 2 metres long shall have Flexcell or similar approved expansion joints every 2 metres in both directions.

G3.10 Surface Finishes

1. All concrete shall be so placed and worked as to produce at the face a uniformdistribution of aggregate, uniform texture and freedom from voids.

2. Where a fair finish is required to the concrete surface the feathers caused by thejoints in the forms shall be removed and any holes or honeycombing which may have formed in the surface shall be filled by first drenching with water and then filling with cement and sand of the same proportions as were used for the concrete mix.

3. Where a perfect finish is required to the concrete it shall be rubbed with a carborundum stone dipped in cement grout. This operation must be commenced immediately after the removal of the forms.

G3.11 Holes, Chases, Fixings etc

1. The Contractor shall properly co-ordinate trades so as to incorporate conduit, pipes, fixing blocks, chases etc, in concrete members when and were required.

G3.12 Reinforcement

1. Bar reinforcement shall conform to BS 4449 for hot rolled high tensile deformedbars and mild steel round bars.

2. Fabric or mesh reinforcement shall conform to BS 4483.3. The Contractor shall make due allowance for tying wire, spacers and the like.

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4. All reinforcement shall be free from pitting due to corrosion, loose rust, mill scale, paint, oil, grease, ice or other materials which may, in the Manager’s opinion, impair the bond between concrete and reinforcement or cause subsequent corrosion of steel or disintegration of the concrete.

5. Unless otherwise permitted by the Manager, bars shall be bent or straightened cold, gradually and evenly and in a manner that will not injure the material.

6. The steel shall be bent to shape exactly as shown on the drawings and bending schedules, where appropriate. All bends shall have an internal radius of not less than twice the diameter of the bar.

7. Reinforcement shall be adequately supported and bound at intersections with suitable steel tying wire so that displacement shall not occur during the depositing of concrete.

G3.13 Formwork

1. Formwork may be constructed of any suitable materials. It must be true to line and level, strong and well braced to carry the wet concrete without deformation or deflection, and with close joints to prevent loss of cement. Holes shall be provided for clearing out rubbish where necessary.

2. Before the concrete is placed all rubbish shall be removed from the interior of the forms and the shuttering in contact with the concrete shall be clean and thoroughly wetted. All forms must be thoroughly cleaned before re-use. Maintain forms in position until the concrete has hardened sufficiently to support its own and any imposed load(s).

G3.14 Precast Concrete

1. Precast items shall be factory made by reputable firms. Seek approval for sitecasting.

2. Precast concrete shall be of the mixes specified.

3. Reinforcement shall be 25mm clear of the soffit of lintels, steps, etc and ends of bars hooked for a distance of 38mm and cranked to resist shear. Tops of members shall be so marked at the time of casting, together with date of casting.

4. Precast concrete not described as reinforced shall be reinforced only as necessary to withstand handling and temperature stresses.

5. All precast concrete shall be cured for 28 days before being de-moulded, handled and fixed in position.

6. Surfaces of precast concrete described as “Finished Fair” shall be rubbed down, and have any holes, etc, filled neatly in cement and the surface left perfectly smooth with sharp arises. Remaining faces shall be left rough for plastering or rendering unless otherwise described.

7. The rates for lintels, cills and the like shall include for the provision of cast-in fixing blocks, slips and strips as necessary.

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G3.15 Damp-proof Membranes

1. Damp-proof membranes shall be “Visqueen 1200 Super DPM” or similar approved polythene sheeting with all joints lapped and made with double welt folds and taped all in accordance with manufacturer’s instructions.

2. Care must be exercised to prevent joints unsealing and to avoid puncturing the sheeting during placing operations and subsequently during the laying of the concrete.

3. Where site circumstances dictate that membranes shall be carried up vertical surfaces “Bituthene 1000 Grade DPM” or similar approved shall be used all in accordance with the manufacturer’s instructions.

4. Holes through the damp-proof membranes for service pipes shall be sealed by wrapping the pipes and using sealing tape around the pipes and main film barrier.

G4 BRICKWORK AND BLOCKWORK

G4.1 Cement

Cement shall be as described in Clause G3.1.

G4.2 Lime

Lime for bricklaying shall comply with BS 890 for Class B Hydrate Lime.

G4.3 Sand

Sand for bricklaying shall be natural sand, crushed stone and crushed gravel, conformingto BS 1200.

G4.4 Mortar

1. Cement mortar shall be composed of one part cement and three parts sand unless otherwise stated (1:3).

2. Gauged or composition mortar shall be composed of one part cement, one part lime and six parts sand by volume (1:1:6).

3. All mortar shall be used fresh and made only in quantities sufficient to meet the immediate demand. No mortar which has partially set shall be “revived” or re-used. Mix materials sufficiently to obtain a uniform colour and consistency.

4. Use only one type of mortar for any one type of work.

5. Plasticisers shall only be used with the permission of the Manager and shall comply with BS 4887.

6. Gauge boxes must be kept constantly on the site of repair works for the mixing of all mortar so that the proportions shall be accurate.

G4.5 WaterWater shall be as described in Clause G3.3.

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G4.6 Common Bricks

1. The common bricks shall conform to BS 3921 (Definition 3.2.1) and shall be of a type suitable for the purpose.

2. Calcium silicate bricks shall conform to BS 187.

G4.7 Facing Bricks

1. The facing bricks shall conform to BS 3921. (Definition 3.2.2).

2. The facing bricks shall at all times, as far as practicable, match those of the existing property and the work in hand. It is the Contractor’s responsibility to visit the site prior to commencing the works and to submit to the Manager if necessary a selection of facing bricks suitable for carrying out the works specified.

G4.8 Engineering Bricks

Engineering bricks shall be clay bricks to BS 3921, Class B.

G4.9 Re-use of Facing Bricks

The re-use of facing bricks salvaged from demolition work will be permitted where their useprovides a good match in filling openings and the like. Such bricks shall be sorted, cleanedof old mortar, growths, etc, and carefully stacked prior to re-use.

G4.10 Brickwork

1. All work shall comply with BS 5628 Part 3 “Code of Practice for use of masonry” subject to the following:

2. Bricks shall generally be laid to a gauge of 4 courses to 300 mm rise, except where the nature of the work requires the gauge to match the existing.

3. All joints, horizontal and vertical, are to be flushed up solid with mortar throughout the thickness of the wall. Bed joints are to be kept horizontal and quoins and perpends square and vertical. Bricks with single frogs are to be laid with frogs upwards.

4. Walls are to be carried up in a uniform manner, no part being raised more than 1000mm above another at one time. Brickwork is to be racked back for jointing up and not toothed. No bats are to be used except where required to maintain bond.

5. No bricklaying shall be carried out in the driving rain for when the temperature in the open is below 2 degrees centigrade on a falling thermometer or 1 degree centigrade on a rising thermometer, but if the temperature stops rising before 2 degrees centigrade is reached, bricklaying shall be immediately stopped.

6. All new brickwork shall be adequately protected from damage by frost or excessive wet weather.

7. Bricks shall be well wetted immediately before use and tops of walls partly built shall be well wetted before new work is laid.

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G4.11 Concrete Blocks

1. Dense and lightweight concrete blocks shall comply with BS 6073 Part 1 and also confirm to the Building Regulations for traditional cavity wall construction in domestic dwellings.

2. The concrete blocks to be stored, handled and laid strictly in accordance with the manufacturer’s instructions and paragraph 4.10 above.

G4.12 Wall Tiles

Wall tiles used in hollow walls shall be galvanised vertical twisted wall ties conforming to BS 1243 Table 1 (Fig. 3) spaced 750 mm apart horizontally and 450 mm apart vertically and staggered with additional ties every 225 mm at jambs of openings.

G4.13 Lintels

Lintels shall be “Catnic” as manufactured by Catnic Components Limited or similar approved coated steel lintels. Type and size as specified in the manufacturer’s catalogue for the appropriate location.

G4.14 Fair Face and Brickwork in Facings

1. The surface of brickwork or blockwork described as “built fair face” shall be faced with common bricks or blocks selected from bulk for even and unmarked faces and square undamaged arises and shall be finished with net flush joints as the work proceeds and protected from mortar droppings, etc, and left clean on completion.

2. Brickwork in facing bricks shall be finished with neat flush joints as the work proceeds except in the case of repairs where the pointing shall match the existing facework.

3. Facings are to be kept free of all mortar splashes, droppings or other blemishes and left perfectly clean upon completion.

G4.15 Damp-Proof Courses

The damp-proof courses shall be “Hyload” pitch polymer damp-proof course or other equal and approved, lapped 150 mm at all joints and full width at angles and intersections.

G4.16 Chimney Stacks

The taking down and rebuilding of chimney stacks shall be deemed to include for the refitting and renewing of new lead damp-courses, aprons, chimney backs, soakers or stepped, cover or saddle flashings; and for reforming and re-lining flues as necessary. Clay flue linings and terminals shall comply with BS 1181.

G4.17 Clay Air Bricks

1. Clay air bricks shall comply with BS 493 – Class 1 units.

2. Openings in cavity walls to receive air bricks shall be lined throughout with slate to a slight fall to the exterior.

G4.18 Copings

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Copings in clay, concrete, cast or natural stone shall comply with BS 5642.

G4.19 Mastic Pointing

Mastic for pointing shall be gun applied joint sealant “Thioflex 600” two part polysulphidemastic manufactured by Expandite Ltd or similar approved.

SECTION R – ROOF COVERINGS

R1 GENERAL

R1.1 Compliance with all Sections

The Contractor is referred to Section A hereof and the obligation to comply with Section Aand any other sections appropriate to the work in hand.

R2 SLATE AND TILE ROOFING

R2.1 Code of Practice

All slate and tile roofing shall be in accordance with CP 142 and BS 5534, Part 1: 1978 “Code of Practice for slating and tiling; Design”.

R2.2 Types of Slate and Tile

1. The types of tiled and slated roofs very throughout the District and the Contractor shall be deemed to have allowed for obtaining and stocking matching or, if unobtainable, compatible products and accessories in order to fulfil his obligations under the contract.

2. The Contractor shall inform the Manager where existing types of material are unobtainable and shall furnish him with details of compatible items and the Contractor’s proposed remedy.

3. All concrete tiles and fittings shall comply with BS 473 and 550.

R2.3 Roof Slating

1. The roof slates shall be Natural Welsh roofing slates centre or head nailed with 38 mm cut copper slate nails to and where necessary including softwood battens to match the existing batten gauge.

2. Renewal or refixing of individual slates may be carried out by fixing with 150 x 18 mm copper slate clips.

3. Ridge or hip tiles shall be clay or concrete to match existing.

4. The exposed edges of verges are not to be cut edges.

5. Externit or similar approved asbestos cement slates may be used where a match with existing is required, (subject to the approval of the Manager).

R2.4 Roof Tiling

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1. The roof tiling shall be plain clay or “Redland” plain or interlocking concrete tiles laid in even courses to and where necessary including softwood battens to match existing battens and gauge using 50 mm x 10 g aluminium nails or proprietary clips.

2. Ridge or hip tiles shall be clay or concrete to match existing.

3. The exposed edges of verges are not to be cut edges.

R2.5 Underfelt

The roof tile underfelt is to be a reinforced bituminous felt to BS 747 Type 1F weighing not less than 15 kg/10 sm or similar approved untearable sarking felt, lapped 150 mm at horizontal and vertical joints. Felt shall be laid parallel to and commencing at eaves, laid over tilting fillets, extended into gutters.

R2.6 Battens

The tile battens shall comply with BS 4471 to be of good quality Deal reasonably free from knots, clean and with no waney edges, fully vacuum pressure impregnated with tanalith or similar approved wood preservative before delivery and after cutting to final lengths. Battens shall be nailed to each rafter with galvanised nails, such nails to be 50 mm longer than the thickness of the batten. Ends shall be cut square and centred over rafters.

R2.7 Mortar

The mortar for bedding and pointing to be cement mortar (1:3) as described in Section G4.4 but colour tinted where required to match existing.

R2.8 Nails

1. The nails for underlay only fixing shall be galvanised extra large head clout nails complying with BS 1202 Part 1 Table 4.

2. The nails for batten fixing shall be galvanised round plain head nails complying with BS 1202 Part 1 Table 4 of a length at least 50 mm longer than the thickness of the batten, sized to secure without splitting the batten.

3. The nails for slate fixing shall be copper clout nails complying with BS 1202 Part 2 Table 5, or aluminium alloy to BS 1202, Part 3.

4. The nails for clay and concrete tile fixing shall be aluminium alloy clout nails complying with BS 1202 Part 3 Table 3.

R3 FLASHINGS

R3.1 Lead Work

Soakers, flashings, and general weatherings shall be so formed of best English milled lead sheet conforming to BS 1178 Code No: 4. All lead work shall be installed in accordancewith best practice:

1. Chimney Stack Apron: dress lead 150 mm down face of brickwork, welt top edge and secure and point in brick joint and continue 150 mm over tiles securing bottom edge with 50 mm wide tacks.

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2. Chimney stack tray: lay as per detail drawing, to discharge over apron flashing. Cut circular hole around flue liners and turn lead up 25 mm between brickwork and flue liner.

3. Cover flashings: form at all abutments of roofs with walls from sheets not more than 2100 mm long and lap ends 100 mm, welt top edge and secure and point in brick joint.

4. Stepped flashings: form at all sloping abutments of roofs with walls and stacks. Step down in brick course, welt top edge, turn 25 mm in brick joints and wedge at each step.

5. Stepped flashings: form saddle at ridge.

6. Soakers: width to be sufficient to give 150 mm over tiles and an adequate upstand for specified lap of flashing.

7, Gutter lining: to be 150 mm wide at narrowest part sloping both ways from centre, dressed over tilting fillet under tiles on one side and turned up 150 mm against vertical face of stack. Dress 100 mm around returns of stack.

R3.2 Self-Adhesive Flashing

Self-adhesive flashing shall be “Flashband” as manufactured by Evode Limited or similarapproved and where specified shall be fixed over existing flashings and fillets, etc, in accordance with the manufacturer’s instructions.

R4 TEMPORARY ROOF COVERINGS AND REPAIRS

R4.1 Temporary Roof Coverings

Temporary roof coverings shall be effected using “Visqueen 500” or similar approved black PVC sheeting fixed with felting nails and all laps and loose edges sealed with external quality adhesive tape.

R4.2 Temporary Repairs

1. For small temporary repairs, a non-toxic roof sealant compound applied inaccordance with the manufacturer’s instructions may be permitted subject to the approval of the Manager.

2. Niflex 90 or 95 High Performance Elastomeric roof coating as manufactured by Interflex UK Ltd shall be used for treatment of large areas of repair, applied in accordance with the manufacturer’s recommendations.

R4.3 Chippings

The chippings shall be 13 mm white spar chippings lightly bedded in a suitable coldbituminous compound, firm bonded around outlets and perimeters.

R4.4 Mastic

1. The mastic for pointing to flashings etc, shall be “Ruberoid Mastic” as manufactured by Ruberiod Ltd., or similar approved and applied in accordance with the manufacturer’s instructions.

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2. Mastic shall not be depended upon as a structural fixative nor as the sole means of waterproofing.

SECTION W – WINDOWS AND DOORS

W1 GENERAL

W1.1 Compliance with all Sections

The Contractor is referred to Section A hereof and the obligation to comply with Section A and any other sections appropriate to the work in hand.

W1.2 Materials and Workmanship

The Contractor is particularly referred to Section C – Carpenter Sundries, for specifications relating to Timber, manufactured products, preservative treatment, standards of workmanship, etc (paragraphs C2.1 – C2.10).

W1.3 General Directions

1. Where door or window frames/linings are renewed or new timber pieced in, the price shall include for cutting out for butts/hinges or locks/catches, etc as necessary.

2. All timber sizes quoted in the Schedule of Rates are sawn sizes unless otherwise stated.

3. All prepared timber used in the Works is to be primed all round before fixing.

4. Where repairs necessitate removing the protective paint film from new or existing timber, the Contractor is to include in his Schedule of Rates for touching in existing paint work disturbed by the repair work. This procedure included the treatment of any joints subsequently masked or covered by the repair works.

5. The rates are deemed to include all labours eg rounded, splayed, rebated etc, for short lengths, mitres etc, all dovetailed, scarfed joints, etc; notching and fitting timber to or around metal sections shoes and heads, trimming floor joists, ceiling joists and rafters to openings for hearths, chimneys, trap-doors and the like.

W1.4 Work to PCVu or Metal Windows and Doors

Where existing PCVu or metal windows or doors require repair, this will normally be carried out using the services of a Specialist Contractor through the Council’s programmed works procedures. If, however, orders for urgent works to these types of component are issued within the responsive repairs contract, payment will be made in accordance with Clause 13 or Part 2 of the tender Documents, “Form of Tender and Forms for Completion”.

W2.1 WINDOWS

W2.1 Standard Windows

Standard windows shall be ready-primed preservative-impregnated softwood windows conforming with BS 644 Part 1, complete with opening lights and ironmongery.

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W2.2 Purpose Made Windows

Windows shall be deemed to be “purpose made” if required to be of a size or pattern not readily available from manufactured stock in the UK. Such windows shall be manufactured by the Contractor or an approved manufacturer all in accordance with this specification (see Section C).

W2.3 Repairs to Windows

1. The Contractor may decide upon the method of carrying out repairs to existing windows.

2. If it is decided to remove the window in order to carry out the work, the Contractor’s percentage adjustments to the rates are deemed to include for carefully removing, transporting to and from the Joiner’s workshop, temporarily sealing up the openings against weather and intruders, carefully refixing and making good all other disturbed works.

3. whatever method is adopted a first class job will be insisted upon with preservative treated timbers to match the original timbers in size and section, properly jointed to existing with the types of joints traditionally used in good class joinery work in each situation.

W2.4 Softwood Surrounds to Metal Windows

1. Sections shall comply with BS 1285 except where replacement or splicing requires that the section shall be the same as the existing.

2. The surround shall be ready primed, impregnated and complete with cill to match existing, except that the new cill shall be of hardwood in every case.

W2.5 Metal Windows

Replacement metal windows shall be manufactured from hot-rolled steel sections and comply with BS 6510 “hot dip”, galvanised in accordance with BS 729 and complete with all fittings.

W2.6 Ironmongery, etc, for Metal Windows

1. Where handles, striking plates, stays, etc are to be renewed or replaced they shall confirm with BS 6510 and be of similar design and material to the existing and welded or riveted to the frames.

2. Where hinges are required to be repaired or replaced they shall be or rust-proofed steel and welded or riveted to the frames.

3. The price for new windows or refixing of existing windows shall include for all screws and lugs or other proprietary items required to ensure secure fixing.

W2.7 Repairs to Metal Windows

If the Contractor decides to remove the window or casement then the Contractor’s percentage adjustments to the rates are deemed to include for carefully removing,

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temporarily sealing up the opening, transporting the window to and from the place of repair, and making good all work disturbed on completion.

W3 DOORS

W3.1 Standard Timber Doors

The standard timber doors are to be as manufactured by Crosby Doors Ltd or similar approved and of the type stated in the descriptions, and are to comply with the relevant part of BS 459 and the sizes to be in accordance with BS 4787 Part1.

W3.2 Purpose-Made Timber Doors

Doors shall be deemed to be “purpose made” if required to be of a size or pattern not readily available from manufactured stock in the UK. Such doors shall be manufactured by the Contractor or an approved manufacturer all in accordance with this specification (see Section C).

W3.3 Doors and Frames Generally

1. New external front doors shall be fitted complete with 1 pair of hinges, cylinder mortice lock, letter plate, numerals, Stormguard draught excluder, Stormguard rain deflector and weather stripping all round.

2. New external door frames shall be complete with integral weather stripping fitted into frame all around. If existing door being re-used is fitted with Stormguard draught excluder, rain deflector, weather stripping or similar these are to be re-aligned to suit new frame.

4. New internal doors shall be complete with 1 pair of hinges, lever handles and mortice latch or lock as appropriate, to match the door being renewed.

5. where doors are described as glazed doors they shall be glazed with a type and thickness of glass as befits the situation or use of the door in question, and in accordance with current Building Regulations.

W3.4 Garage Doors

1. Up and over garage doors shall be Marley Garador Mark 3c, Henderson or similar approved, fixed in accordance with makers recommendations.

2. Timber garage doors shall be repaired where possible, purpose made if renewed, or replaced with up and over doors if so instructed.

W3.5 Fire-Check Doors and Frames

Fire-check fire doors and frames shall be half-hour or one hour types and shall comply with the relevant Clauses of BS 459 Part 3.

W3.6 Building-in Frames, Lining etc

Prices for windows and door frames shall be deemed to include for: fixing slips, cramps, dowels, plugs, screws and bolts, making good all round to plaster, rendering, painting or decorations, etc and any cement or mastic pointing.

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W.4 IRONMONGERY

W4.1 Ironmongery – Generally

1. All ironmongery is to be protected until completion of the work and any which may be defaced or damaged is to be replaced with new or re-lacquered, as directed.

2. All locks, etc, are to be lubricated with graphite and left in perfect working order on completion and all keys are to be properly labelled and delivered up in accordance with the Contract Administrator’s instructions.

3. The ironmongery generally shall be as manufactured by YALE, UNION, CENTURY, CHUBB or other approved.

4. Overhead door closers shall be:

a) Briton 2004 or other equal and approved.b) Jebron 4910 Adjustable Delayed Action Closer (ADA) as

manufactured by:

Jebron Ltd, 10 Bright Street, Wednesbury, Staffs, WS10 9HY

5. Gate fittings shall be manufactured by Crompton or other approved.

6. Hinges shall be to BS 1227 Part 1A.

7. Numerals shall be 50 mm high black or white plastic.

8. Nails and screws shall be manufactured by GKN or other approved.

W4.2 Removal of Ironmongery for Painting

All ironmongery, fittings, etc, except hinges shall be removed before painting doors, windows and the like, cleaned and refixed on completion. Rusty screws shall not be re-used but shall be replaced with new rust-resistant screws to match ironmongery.

W5 GLAZING

W5.1 Glass

1. All glass shall be of accurate size, with clean undamaged edges and surfaces which are not disfigured and comply with BS 952.

2. Glazing shall be in accordance with BS 6262 “Code of Practice for glazing buildings” and the Building Regulations 1991 in respect of all safety glazing in risk areas.

3. The clear sheet glass shall be “Ordinary Glazing Quality”.

4. The figured glass shall be a translucent glass of selected pattern to Group 2 range and shall be fixed with the pattern to the inside of the dwelling/property.

5. The wired glass shall be Pilkington’s Georgian Safety wired glass or polished plate glass, as specified. The wire shall extend to the edge of the glass and be free from rust.

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6. The laminated safety glass shall be to BS 6206: 1981 and used strictly in accordance with the Building Regulations 1991, Approved Document N “Glazing – Materials and Protection”.

W5.2 Putty

1. Linseed oil putty shall be to BS 544.

2. Putty to timber surrounds: back putty to regular thickness of not less than 2 mm (Cut off surplus or excess) secure glass with glazier’s sprigs or cleats not more than 440 mm apart, and form neat triangular fillet, stopping 2 mm short of sight line, lightly brush surface to seal putty to glass.

3. Putty shall not be applied to bare, unprimed rebates.

4. Putties shall be painted within three weeks of installation.

W5.3 Glazing

1. In all cases glass breakages shall be at the sole risk of the Contractor. The rates are deemed to include for the possibility of reglazing being necessary, whether or not stated.

2. All glass shall accurately fit the prepared rebates with a small clearance all round.

3. Putty shall not be applied to bare, unprimed rebates.

4. Putties shall be painted within three weeks of installation.

5. The prices for glazing with beads shall include for removing and afterwards refixing the beads.

6. In reglazing metal windows, hack out old metal casement putty, thoroughly clean out and prime with one coat calcium plumbate. New glass shall be well bedded, spring clipped, and front and back puttied in an approved metal casement putty.

7. All rebates and grooves are to be clean, dry and unobstructed at time of glazing.

8. All glass having pronounced linear characteristics (such as Georgian wired glass or reeded glass) shall be cut and positioned so that the wires, reeds or other characteristics line up with the adjoining panes and parallel with adjacent frame and longest axis of the glass.

9. Use setting and location blocks for all panes exceeding 0.2m2 , not more than 75 mm from each corner.

10. In all external bead fixing use distance pieces to give bed of regular thickness, not less than 3 mm on each side of glass, positioned not more than 300 mm apart.

11. Where beads or putties are to be replaced, the new beads shall be of hardwood and fixed with rust-proof panel pins at maximum 200 mm centres.

12. Where a Schedule Item includes the expression “reglaze” this shall include for all hacking out of old glass and putties, or beads, preparing rebates as necessary, and

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reglazing as described herein either with new glass (as specified or as necessary due to breakage) or undamaged glass carefully salvaged from the existing work.

W5.4 Reglazing

In all cases orders for reglazing issued as an E order during any working day 8.30 am to 5.00 pm Monday to Thursday (4.30 pm Friday) are to be carried out and completed that day unless agreed and instructed otherwise by the Manager.

Orders raised outside those times are to be temporarily boarded up and completed the next working day, unless agreed and instructed otherwise by the Manager.

SECTION C – CARPENTER SUNDRIES

C1 GENERAL

C1.1 Compliance with all Sections


C1.2 General Directions

The Contractor is particularly referred to Section W – Windows and Doors, for general directions on working with timber and items deemed tobe included in the rates.

C2 TIMBER AND MANUFACTURED PRODUCTS

C2.1 Timber

1. The Softwood for Carcassing work to be 5th Carcassing Constructional Quality of European Redwood, Canadian Hemlock, Canadian Spruce or Western Hemlock types.

2. All Carcassing works to be in accordance with BS 5268 Parts 2 and 3: 1985 “Structural Use of Timber”. Timber species shall be as defined in BS 881 and BS 589.

3. The softwood for Joinery Work to be best quality Class 2 European or Douglas Fir and conforming to BS 1186 Parts I and II.

4. The Chipboard for flooring shall be “Flooring Grade Chipboard” of the quality appropriate to the type of room, tongued and grooved, to BS 5669 and laid in accordance with the technical Journal of the Chipboard Promotion Association.

5. Tongued and grooved Softwood flooring shall be in accordance with BS 1297.

6. Items of unspecified hardwood to be any hardwood suitable for the purpose, in accordance with BS 5450.

7. All timber shall be mature and well seasoned either by kiln or air drying and a moisture content within the limits specified in Table 2 or BS 5268 and BS 1186. They shall be free from dead knots, shakes, starts and defective or blue wood, insects or disease.

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8. Timber may be subject to sampling by the Manager before use of after use. Any timber found to be other than in accordance with this Contract shall be removed and replaced with timber which does so comply, all at the Contractor’s expense.

9. Timber to receive floors, soffit linings, dry linings and the like shall be regularised.

C2.2 Preservative Impregnation of Timber

1. softwood, where so specified, shall be treated before delivery to site with “Celcure”, “Tanalith”, “Treatim”, “Protim”, or “Vac-Vac”, under vacuum-pressure with an average net retention of not less than 4 kg of dry “Celcure”, or “Tanalith” salts per cubic metre or with “Coloured Protim” organic solvent type preservative giving an overall retention of 16 kg of solution per cubic metre of timber.

2. Ground contact timber shall be treated with an average net retention of not less than 5.4 kg dry “Celcure”, “Treatim” or “Tanalith” salts per cubic metre of timber.

3. Where possible all timbers are to be cut to final dimensions before impregnation, but where this is not possible, any sawn or cut faces, borings, etc are to be liberally swabbed with “Celcure B”, “Treatim” or “Protim” preservative, obtainable from the impregnation plants.

4. After treatment, the timber is to be carefully open-stacked in a well ventilated covered space to enable surplus solvent in the preservative to dry out by evaporation and all treated timber to be dry before incorporation in the work.

5. Items of carpentry timber treated with “Celcure”, “Tanalith” or “Treatim” shall be allowed a minimum of three weeks air drying period following treatment and before fixing. Joinery timber similarly treated shall be allowed a minimum of six weeks air drying period following treatment and before fixing.

6. Certificates of treatment may be requested by the Manager and, if the Contractor is unable to comply, the Manager shall be entitled to assume that the relevant timbers are not treated.

7. Wherever untreated softwood is used in the Works, the Contractor is to allow in his Rates for applying two liberal coats of preservative to any timber face in contact with brickwork. The end of timbers built into walls shall be dipped in a preservative bath to a depth 100 mm greater than the depth to be built in.

C2.3 Plywood

1. The Plywood unless otherwise described shall be in accordance with BS 6566.

2. Plywood for external use shall be WBP bonded.

3. Plywood for internal use shall be BR bonded.

4. Marine plywood shall be in accordance with BS 1088 and 4079.

C2.4 Blockboard

The blockboard unless otherwise described shall be in accordance with BS 3444 Grade 2, with softwood core and birch veneer MR bonded.

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C2.5 Hardboard

1. The hardboard shall be in accordance with BS 1142.

2. Enamelled hardboard shall have a pre-finished hard black or white enamelled face.

C2.6 Boards, Panels, etc – Generally

All plywood, block board, hardboard and similar building boards and panels, polythene vapour barrier and insulation mat, quilt and slab to be stored, handled, conditioned and fixed strictly in accordance with the manufacturer’s instructions. All boards fixed without cover strips shall have joints accurately shot and butted.

C2.7 Workmanship

1 The carpenter’s work shall be framed and put together in a substantial and workmanlike manner.

2. All joiner’s work shall be accurately set out, framed and if appropriate, executed in accordance with detailed drawings and finished off in a workmanlike manner.

3. External joiner’s work shall be framed and jointed with a mixture of white and red lead bound with linseed oil.

4. Machine planning and moulding shall be finished off smooth by hand.

5. All exposed faces of joinery shall be wrought and all arises slightly rounded.

6. The rates in the Schedule shall be deemed to include for all nails, screws, blocks, glue etc for fixing.

7. All nails, pins etc in exposed work shall be punched in, heads primed and puttied.

8. Any work which warps, shrinks, twists or shows other signs of improper workmanship or defective materials within one month from the date of completion of the works, including any defects as a result of testing the heating installation at a temperature not exceeding 80 degrees Fahrenheit, must be made good or renewed at the Manager’s discretion together with other work affected without further charge to the Employer.

9. Where joints are to be cut for the passage of pipes, etc, holes shall be made either as near to the neutral axis as possible or at the top of the joist as far as possible from the centre span. In no case shall the size of the hole exceed one third of the depth if the joists.

10. Floorboards shall be laid in lengths as long as practicable, well grouped, and each board nailed to each joist or batten with 2 no 50 mm floor brads punched home. Heading joints shall be formed over joists or batten and shall be evenly distributed, joints in adjacent boards being at least 300 mm apart. In patching existing floors, new boards shall be of the same size as existing, laid as described above to form an even and level surface.

C2.8 Plugging and Grounds

1. All timber plugs shall be impregnated.

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2. The terms “plugging” or “plugged” shall mean drilling and inserting suitable load-bearing plugs in the following:

Brick, block, stone, concrete of all descriptions or any substance to whichthe fixing is required.

3. The rates are deemed to include all necessary grounds for the proper fixing of joinery.

C2.9 Adhesive for:

1. Exterior use shall be synthetic resin type confirming with BS 1204 Part 1 Type WBP.

2. Interior use shall be synthetic resin type conforming with BS 1204 Part 1 Type MR.

C2.10 Painting, etc

1. Unless described otherwise, all joinery to be painted is to be properly knotted and primed on all surfaces before leaving the place of manufacture and all windows and doors eased on site are to be similarly treated. Primer shall be to BS 5358 and applied at least 5 days following preservative treatment.

2. The Contractor shall ensure that all work, whether repair or renewal, shall be painted in accordance with this Specification as soon as practicable after installation but in any event not later than one week after all woodwork on that site has been completed.

3. Adjustments made on site to pre-treated and primed joinery shall be spot primed to make good. All end grains shall be primed with two coats of aluminium primer well brushed in to both softwoods and hardwoods before building into the works.

SECTION P – PLUMBING

P1 GENERAL

P1.1 Compliance with all Sections

The Contractor is referred to Section A hereof and the obligation to comply with Section A and any other section appropriate to the work in hand.

P1.2 Builder’s Work

The Rates in the Schedule shall be deemed to include for the cost of all “Builder’s Work”, making good around and redecoration as necessary to leave the work clean and tidy upon completions.

P1.3 Statutory Notices

1. The whole of the works shall be executed in accordance with the Bylaws and Building Regulations and to the satisfaction of the local Water Company and the Local Authority.

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2. The Contractor’s attention is drawn to the changes in 1993 in Byelaws 74 to 79 relating to the use of a single 7.5 litre W.C. flushing cistern.

3. It shall be the Contractor’s responsibility to notify the relevant authority when the works are completed, or otherwise need to be inspected.

P1.4 Upgrading Existing Installations

1. Where a fitting is to be replaced, single or double-check valves are generally to be provided in accordance with current Local Water Company Bylaws, but the Contractor must ensure that the Manager’s approval is obtained on each occasion where this arises.

2. Any existing lead or copper wastes on which work is necessary is to be replaced in PVCu.

3. Any existing lead pipework on which work is necessary is to be replaced in copper, up to a maximum of 1.5 m in any one length from the nearest appliance or by agreement with the Manager.

4. The Contractor’s Schedule of Rates will be deemed to included for any additional costs arising from compliance with items P1.3.1 to P1. 3.3 above.

P1.5 Schedules of Approved Plumbing Materials

The lists of suppliers and types of approved equipment provided in this section are not exhaustive and in any case the expression “or similar approved” shall be deemed applicable. The Contractor shall ensure that adequate supplies of all goods likely to be required for the work area at his disposal for the duration of the Contract.

P2 SANITARY WARE

P.2.1 Sinks and Washroom fittings

1. Basins to BS 1188 and 1329:

Twyford, Armitage Shanks, Ideal Standard, Doulton, Shire.

2. Vitreous China Sanitary Appliances to BS 3402:

3. Taps to BS 5412 and 1224 to be chromium-plated brass type and manufacture, all with Capstan heads.

4. Waste Pipes and Fittings to BS 5254 and 5255:

Bartol Plastic Limited.

5. W.C. flushing cisterms to BS 1125:

Armitage Shanks, Shire,

6. Ball valves – metal or plastic to BS 1212 parts 1 & 2; BS 2456 and 5129, with plastic floats:

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7. W.C. Connectors to BS 5627.

P2.3 Toilet Fittings

1. Ensure continuity of electrical earth bonding as described in P2.2.2.

2. All W.C. pans are to be bedded firmly in place and plugged and screwed to both timber and concrete floors.

P2.4 Blockages

1. Blockages in waste pipes, taps. W.C.s etc are to be cleared fully at the first visit by dismantling fittings as necessary, rodding and flushing through to test the satisfactory discharge from the appliance.

2. “Clearance” of blockages by the use of plungers will not be permitted. Any return visit within three months to the same address to clear a blockage which was not properly cleared on the first occasion will be made at the Contractor’s expense.

P3 Pipework and Storage Tanks

P3.1 Materials

1. Copper pipe and fittings to BS 2871:

Yorkshire Imperial Metal Limited, Wednesbury Tube Company Limited.

2. Combination Hot Water Storage Units to BS 3198 – ForticCylinders Direct – Copper to BS 699 – IMI SantonCylinders Indirect – Copper to BS 1566 Part 1 & 2 IMI Santon

3. Insulation Jackets

Hot water storage to be in accordance with BS 5615

4. Water Storage tanks – Plastic

Wizard

5. Immersion Heaters

Dual Incoloy 825 – IMI Santon

P3.2 Copper Pipes and Fittings

1. Copper pipe and tube shall be to BS 2871 Part 1 tables X and Y and shall be fixed to walls, etc at 1200 mm centres with approved brackets suitable for the particular background, secured with brass screws to proprietary plugs. Copper pipe shall also comply with the local Water Company Regulations.

2. Pipework shall not be laid in floors or walls without approval. Any such concealed pipework shall be without joints and shall be provided with adequate access points for inspection and maintenance, and shall be wrapped in Denso or similar approved protective tape.

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3. Rates for copper pipes shall be deemed to include for all short lengths, joints in the length, branch joints, elbows, bends, tees, diminishing pieces, return bends, stopped ends, for all tacks, brackets, clips, spacing saddles, and screws and all other items of a similar nature.

4. Compression type and capillary type fittings for jointing to copper pipe shall be manufactured to BS 864 by the manufacturers listed hereafter or similar approved:-

(i) Peglers Prestex : Compression Fittings(ii) Yorkshire : Capillary Fittings

5. Flux shall be “New Formula Yorkshire” flux or similar approved.

6. Proprietary copper fittings are to be used to all ends on exposed pipe runs; machine made ends in concealed copper tube shall be made with proper pipe benders and shall be of even diameter and true throughout.

7. All stop cocks and valves to be brass and to be screw down type with screw ferrules as required, conforming to BS 1010.

8. All copper pipework to be laid to correct falls to eliminate air locks, etc, and fixed with two-piece copper spacing saddles and wood screws.

9. All copper pipe joints to be made in exposed positions and no running joints in copper pipes to be made under floorboards or in otherwise concealed positions.

10. Joints to be wiped clean after completion to remove excess flux or contaminated material.

11. Pipe socket forming or “swaging” will not be allowed.

12. Pipes through walls and floors shall be sleeved to permit free movement, and shall be sealed to maintain integrity of fire-stopping and to exclude vermin in external walls.

13. In new pipe runs provide for air release vents at the highest point and hose connection draincocks at the lowest point.

14. Unless otherwise directed, the underside of all horizontal pipes shall be at least 100 mm clear above the finished floor level.

15. All exposed pipe runs shall be arranged to present a neat appearance and where practicable be parallel both with one another and with the building structure, taking due regard however to the grading and venting requirements. All vertical pipes shall be plumb.

P3.3 Lagging

Where required pipe installation shall be “Armaflex” or similar approved purpose-made non-combustible pipe insulation properly fitted and secured over all runs and fittings.

P3.4 Cisterns & Tanks

1. Locate cisterns and tanks to provide minimum 400 mm headroom over for inspection and maintenance.

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2. Ensure cisterns and tanks are rigidly supported to avoid stress to connecting pipework.

3. Provide flat rigid platform to base if required by cistern or tank manufacturer.

4. Holes made in tank sides shall be more than 25 mm above the bottom to prevent sediment entering pipework.

5. Thoroughly clean out all tanks and cisterns before use.

6. All holes cut into tanks and cisterns shall be truly circular cut with sharp tools not burned or punched, with burrs removed and clean edge left for the connection.

7. All connections to be made using suitable flanged connectors and compressible watertight washers.

8. Flexible plastic cisterns/tanks are to be carefully handled and connected to prevent flexing and possible fracture.

9. When replacing metal tanks with plastic, ensure continuity of electrical earth bonding of associated pipework by the installation of earth cabling and connections, as necessary to comply with the latest edition of the I.E.E. Wiring Regulations.

SECTION E – ELECTRICAL

E1 GENERALLY

E1.1 Compliance with all sections


E1.2 Compliance with Regulations

The work and materials shall comply in all respects with the relevant sections of the “Regulations for Electrical Equipment in Buildings”, the requirements of the Manager, local Electricity Company, the Electricity Supply Regulations, all relevant British Standard Specifications and Codes of Practice and any other Statutory Rules and Regulations relating to the Works and best practice.

E1.3 Technical information

Manufacturer’s Operation and Maintenance Literature which is supplied to the Contractor with new items of equipment shall be handed to the Manager on completion of the work.

E1.4 Special CircumstancesIf a main earthing terminal is not available at any site the Contractor shall consult the local Area Electricity Company, ascertain their requirements and provide all necessary equipment, interconnections, etc.

E1.5 Testing

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1. On completion of any repair work or new installation the Contractor shall carry out the appropriate test or series of tests in accordance with the requirements of the current editions of the IEE Regulations and SEEBOARD.

2. The Contractor shall make all arrangements and provide all labour, materials, apparatus and facilities required for such tests entirely at his own expense. If any significant amount of electricity is consumed during testing the Contractor shall pay all costs and expense in the provision thereof, regardless of the source.

3. If any part of the installation does not pass the test applied, the Contractor shall execute all necessary rectification work and additional tests at his own expense.

4. Upon request the Contractor shall furnish the Manager with a signed Certificate for each installation in a form prescribed by IEE Regulations. Where it is appropriate a completion notice shall be forwarded to SEEBOARD.

5. Low voltage systems shall not be tested unless all apparatus is disconnected.

E2. MATERIALS AND WORKMANSHIP

E2.1 Existing Equipment

1. All existing equipment shall be checked before disconnection and removal and the condition of any item which appears unserviceable or unsafe shall be drawn to the attention of the Manager and further instructions obtained before work commences.

E2.2 Materials and Workmanship Generally

All materials shall comply with the appropriate British Standards where applicable and the whole of the work shall be carried out in accordance with good trade practice by a member of the Electrical Contractor’s Association or a member of the National Register of Installation Contractors, using only first-class materials of the type indicated. Should the Manager deem it necessary, vouchers must be produced as evidence that the materials are such as are required for the work.

E2.3 Materials Manufacturer

1. The accessories shall be as manufactured by M K Electric Ltd, with the exception of Distribution Switch and Fuse Gear which shall be Wylex equipment.

2. Accessories of equal quality such as are manufactured by CRABTREE ELECTIRCAL INDUSTRIES LTD, DELTA ACCESSORIES AND DOMESTIC SWITCHGEAR LTD AND LEGRAND ELECTRIC LTD are acceptable in lieu of MK equipment.

3. The Contractor must allow at all times for carrying a supply of all relevant materials for use throughout the Area.

E2.4 Builder’s Work

1. The Contractor is to carefully remove any floor boarding necessary for the installation of cables. He is to saw through the tongues only, and the boards are to be replaced in a workmanlike manner. Any new floor boarding must be identical in width and thickness. All debris is to be removed from the joist and roof space.

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2. Where plaster has been disturbed by the removal of fittings, this must be made good to a true and level surface to receive redecoration.

3. Timber frames and mouldings must not be disfigured by sawing and chiselling out for the insertion of cables. Where the removal of moulding, etc, is necessary, the replacement must be carried out by a qualified tradesman and the surface left to match the existing.

4. Upon completion make good all painting and decorative surfaces disturbed by the electrical work.

5. Where roof insulation is encountered and has to be moved to accommodate the electrical installation, it is to be carefully moved to one side and on completion of the work, carefully replaced in its original position.

6. All old cables from roof spaces, conduits and trunking exposed on walls or other noticeable places are to be removed from the property, together with redundant switches, sockets, clips, boxes, etc, and any disturbed surface made good.

7. Where it is necessary to provide new circuits eg To cooker points or immersion heaters these may, at the Manager’s discretion, be installed by means of surface wiring to minimise expense and disruption but in all cases the wiring shall be concealed in Egatube or other approved miniature trunking of an appropriate size.

E3 WIRING SYSTEMS GENERALLY

E3.1 Circuit Charts – Information – Labelling

Circuit charts shall be securely fixed to the inside of each item of distribution equipment or enclosure clearly indicating that circuits connected and their means of isolation. Fuse ratings or breaker settings shall be shown.

E3.2 Earthing

1. Residual current devices shall be installed within compatible consumer units.

2. An insulated earthing lead of the appropriate rating shall be provided from the consumer unit to an appropriate embedded service pipe located as near to the main electrical supply as possible.

3. All exposed gas and water pipes shall be earth bonded in the correct manner using manufactured clamps and conductors.

4. All exposed earthing cables, clamps, rods, etc, are to be installed so as to avoid accidental damage to them by the users of the property.

E3.3 Cables and Flexible Cords

All cable and flexible cords installed by the Contactor shall be new and of the correct grade/rating for the application.

E3.4 Systems of Wiring

1. All wiring and junction boxes shall be installed wherever practicable in interfloor spaces, roof and ceiling voids but not in wall cavities.

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2. Cabling shall be clipped at 250 mm in horizontal runs and 450 mm centres in vertical runs using tinned brass knuckles secured by non-ferrous pins. In timber floors and roofs cables shall be run along the sides of the structural members at mid-height. Equipment located between joints shall be supported by a wood bearer of not less than 100 x 25 mm cross section.

3. Cables shall be installed with a minimum clearance of 150 mm from all heating, gas and water pipes or ducts and/or other wiring not associated with lighting and power supplies.

4. When cables leave or cross joists they shall do so at right angles to the longitudinal axis of the structural member. Under no circumstances shall structural timber be notched or sawn, cable access in all cases being provided by small clearance holes drilled on the neutral axis. Care should be taken to ensure that cables cannot run in positions where they are susceptible to damage by flooring nails or the like.

5. Cables laid in solid floors or screeds or installed in ceiling or other inaccessible voids shall be drawn through in a suitable rigid PVC conduit complete with bends, etc, run continuously from the consumer unit to the outlet served.

6. Wiring shall not be drawn into conduit during the installation of the conduit. Conduit shall be fitted complete with all accessories and then wired.

7. Existing steel/PVC conduits may only be re-used if they terminate at the final position of the new accessory.

8. Cable entries in steel accessory boxes are to be bushed with a rubber grommet.

9. The system of wiring in any property (including individual flats) shall be contained within the property.

10. All new cable runs to be embedded in plastered wall shall be protected by Egatube Limited’s “super high impact light gauge conduit (type HLG)” or similar approved PVC conduit system. The finished wall is to provide a minimum of 10 mm plaster cover over the conduit which shall be secured with sherardised nails and clips.

11. All new cable runs to be embedded in “Paramount” type partitions shall be drawn through holes formed by forcing a suitable rod through the honeycomb core of the partition from above.

12. In the case of plasterboard partitions with a timber core, cables shall be drawn vertically through the partition between timber stuffing and noggings. Where timber work occurs the cable is to be taken across the timber by means of a short chase through the plasterboard and groove in the timber. After providing a suitable length of protective materials or conduit the chase shall be made good with a suitable plaster material and finished smooth and flush.

13. Surface fixed wiring (generally on fair faced brickwork or unplastered surfaces in heating cupboards, stores, garages, plant rooms, meter compartments, etc) shall be protected by Egatube Limted’s “Super high impact heavy gauge conduit (type HIP) or similar approved PVC conduit system.

14. Surface fixed conduit and trunking shall be securely fixed in accordance with the manufacturer’s instructions.

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15. The Contractor shall make due allowance for the subsequent expansion and contraction of PVC conduit.

16. All cable runs shall as far as practicable be installed parallel to or at right angles to the principal planes of construction. On no account shall cables be run diagonally across joists, studs, and the like. All surface wiring shall be fixed in all instances along skirtings, architraves and internal corners.

17. The number of cables installed in each conduit shall be sufficient to permit easy insertion and withdrawal and in no circumstances shall exceed the maximum recommended in the relevant table of the latest edition of the IEE Regulations. The Manager may require the Contractor to demonstrate that cables can be easily withdrawn and inserted in any section of installation. If this is not possible using existing conduit then new conduit shall be provided.

18. Conduits, boxes and equipment may be utilised, but care must be taken to ensure that they do not become distorted. Boxes shall be installed flush with the finished plaster and the sides vertical, using 32 mm x No 8 wood screws and rawplugs or equivalent fixings.

19. Conduit shall terminate within outlet boxes with the correct screwed or solvent welded flanges.

20. Cable trunking shall be utilised to improve the appearance at those places in the installation where a number of conduits terminate or share a common route, or at the meter intake positions for the formation of distribution board/local isolated assemblies and shall be Egatube or other approved compact miniature trunking of the appropriate size.

21. The Contractor shall use PVC trunking fittings and covers, and provide separate earth continuity conductors.

22. Trunking shall be connected to equipment by means of appropriate screwed couplers, bushed and shakeproof washers, or flanged couplings.

23. Trunking shall be connected to PVC conduit by means of threaded or plain adaptors with lock nuts, or clip in adaptors.

24. Trunking shall be cleaned out and all cut edges smoothed before cable is drawn in.

25. In making terminations conductor insulation shall be carefully removed without causing damage to the conductor.

26. The PVC sheathing of cables shall be taken inside outlet boxes or the pattress of ceiling fittings and similar equipment before opening to expose conductors.

27. Flexible cords shall be securely clamped so that the electrical terminals in ceiling points do not take the weight of light fittings.

28. Cables generally shall be PVC sheathed twin with integral circuit protective conductor to BS 6004 ref. 6242Y of E.C.M.A. Manufacture.

The minimum size of conductor to be:

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Lighting Circuits: 1.5 sq.mm live conductors1.0 sq.mm C..P.C.

Ring circuits and ) 2.5 sq.mm live conductorsImmersion Heather ) 1.5 sq.mm C.P.C.Circuits

Cooker circuit : 10.00 sq.mm live conductor 4.00 sq.mm C.P.C.

It is calculated that the above conductor sizes will allow full compliance with both voltage drop and disconnection time limitations indicated in Reg. 522-8 and 413-4/5 respectively. Correction factor for thermal insulation has been calculated as 0.75 as for Reg 522-6.

E3.5 Installation Control and Distribution

1. The consumer’s equipment shall consist of an approved all-insulated unit complying with BS 1451 complete with Double Pole AC main switch of rating suited to the loading/diversity of the installation and sufficient MCBs or fuses to accommodate all the sub-circuits scheduled for the dwelling plus a minimum of one spare way, together with a current-operated earth leakage circuit breaker. MCBs to BS 3871 M6 Category or other appropriate fused shall be of a size compatible with current requirements, for example:-

1 No. 5 amp MCB to protect each lighting circuit.

1 No. 15 amp MCB to protect static water heaters.

1 No. 30 amp MCB to protect each ring main.

1 No. 30 amp MCB to instantaneous water heaters.

1 No 30 amp MCB to protect each cooker circuit.

1 No. ECB neutral terminal block.

2. The number of appropriate circuits varies between different properties and should be fuse rated to comply with the above table.

3. Each way shall be clearly labelled with self-adhesive labels, marked up to indicate the circuit being controlled by each fuse way and the MCB rating.

4. Sufficient space shall be available for the Supply Company’s metering and service cut-outs. If required, a panel which satisfies the requirements of the Supply Company, shall be provided by the Contractor at his own cost for the purpose of mounting meters, cut-outs and other equipment.

5. The Contractor shall supply and install 16.0 M2 PVC/PVC connection tails or matching cross sectional area to the main isolating switch rating.

6. The Contractor’s attention is drawn to the Electrical Regulations 15th Edition in respect of Earthing and Special Circumstances which may be relevant to the installation.

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7. The mounting height of equipment shall be such that persons of average height can reach all fuses, and switchgear, etc, from floor level without difficulty.

8. It may be necessary to remove sections of ceilings to obtain access to cable runs. Such work shall be deemed to be included in the rates together with all remedial work.

9. The Contractor before starting on site should notify the Manager of the proposed routes of cable runs and the wiring circuits.

10. Any alterations to the agreed routes or any alterations to the agreed wiring circuits are to be agreed with the manager before commencement of any of the work being carried out.

11. If work has been carried out before agreeing details with the Manager, the Contractor may be liable to return and re-route and rewire cable runs and circuits to the satisfaction of the Manager and without further cost to the Council.

E.4 CIRCUITS

E4.1 Lighting Installations

1. All wiring shall be installed by the “looping-in” system and no joints or connectors shall be permitted in the sub-circuits from the consumer control unit.

2. A maximum of two live pairs and one switch pair shall be installed at each point. Wiring for 2-way switching shall be installed between switch points. The earth conductor shall be terminated in each lighting and switch point.

3. No more than ten points shall be controlled by any one 5 amp MCB way.

4. Pendant type lampholders and ceiling roses shall be white plastic and complete with 500 mm of flexible cable as previously specified. Lampholders shall be of the all insulated heat resisting pattern fitted with a cord grip and skirt.

5. Batten type lampholders shall be white plastic and of all insulated Home Office pattern. These shall generally be installed in garages, kitchens, bathrooms, toilets and stores, unless otherwise instructed. In kitchens, toilets, garages and all damp situations, lampholders shall be complete with ceramic/protective components complying with BS 5042.

6. Lighting points fitted in porches and similar external situations shall be terminated in a conduit box with cable connecting to the fitting securely fixed by clamps or glands.

7. Interior lighting switches shall be white plastic, flush fitting single pole rocker operated 5 mp AC units mounted on 16 mm deep boxes recessed into walls to just below finished plaster level and be completed with adjustable fixing lugs. Switches shall be ganged as required, using a multiple cover.

8. Where flush fittings and switches cannot be used, single pole rocker operated 5 amp AC surface type switches are to be mounted on matching moulded white plastic boxes.

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9. Lighting switches shall be installed at a height of 1400 mm above floor level to the centre of the switch, and not less than 150 mm from the nearest door frame, or as otherwise instructed by the Manager.

10. Lighting switches in bathrooms shall be white plastic 5 amp AC surface pattern operated by a non-conductive pull cord and knob arranged to hang 1400 mm above floor level and be close to the wall and not liable to snagging on the door to the room.

E4.2 13 Amp Ring Power Circuits

1. Socket outlets shall be connected on ring circuits without spurs using cable as previously specified, and both ends of each ring terminated in one 30 amp MCB way of the consumer control unit.

2. Spurs from ring circuits will not be permitted. Fused connector outlets shall be used for static items of equipment, provided that not more than one appliance is connected to any one MCB way.

3. It is to be noted that in order to prevent overloading of circuits, fixed appliances such as cookers and water heaters shall be provided with separate sub-circuits.

4. Junction boxes will not be permitted in cable runs.

5. Dwellings having a total internal floor area exceeding 100m2 shall have two ring circuits with approximately equal numbers of socket outlets/fused connector boxes connected to each ring. In such circumstances each storey shall be served by part of each ring circuit but all outlets in any one room or area shall be connected to the same distribution way.

6. Socket outlets and fused connector boxes shall be 13 amp 3-pin white flush pattern complying with BS 1363. Sockets shall be switched, ganged as required and complete with multiple plate cover.

7. In garages, and elsewhere on fair faced brickwork, socket outlets shall be surface pattern.

8. Outlet boxes shall be recessed into walls to just below finished plaster level and be provided with adjustable fixing lugs.

9. Switched socket outlets generally shall be mounted at 750 mm from floor level to underside and in kitchens 225 mm above worktops.

E4.3 Cooker Control Units

1. Circuits serving cooker control units shall be one final sub-circuits and connect to one 30 amp MCB way of the consumer’s distribution unit using cable as previously specified.

2. The outlet or existing control unit shall be located as instructed by the Manager and the dimensions from the centre of the unit shall be 1500 mm above floor level and 225 mm to the side of the cooker.

3. In certain circumstances the outlet (or control unit) may be located between storage cupboards, shelves and/or worktop surfaces, in which case the unit must exactly

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match the layout of the wall tiles and the local socket outlets. In these instances, the position shall be agreed by the Manager before installation.

4. The cooker circuit shall terminate in a double surface conversion box with plastic lid and a concealed 25 mm circular PVC conduit shall run from this box to terminate in a flush cooker cable connector outlet mounted 600 mm above finished floor level immediately adjacent to the cooker. The wiring shall terminate at the outlet box where no electric cooker is provided. However, if the tenant has an electric cooker then connection thereof shall be deemed to be included.

5. Any combination unit shall comprise a flush or surface fitting white plastic box provided with 30 amp DP main cooker control switch and 13 amp switched socket outlet complying with BS 417. The cooker control switch shall be complete with neon indicator.

E4.4 Immersion Heater Circuits

1. An immersion heater circuit may be provided in some properties.

2. The circuit where required shall be derived from a 15 amp MCB or appropriate fuse in the consumer unit, and cable as previously specified in the first floor space and in mini-trunking to a 20 amp AC DP neon indicating switch engraved “water heater” fixed adjacent to the cylinder at a height of 1100 mm from floor level.

3. The Contractor shall reconnect existing or connect new immersion heaters and/or switches with suitable heat-resisting flexible cord.

SECTION S – SURFACE FINISHES

S1 GENERALLY

S1.1 Compliance with all Sections

The Contractor is referred to Section A hereof and the obligation to comply with Section A and any other section appropriate to the work in hand.

S1.2 Cement, sand, water, etc

1. The cement, sand, water, etc are to be described in Section G – General Building Works and as further described hereunder.

2. The sand for screeds and rendering is to comply with BS 1199 Tables 1 & 2.

3. The sand for bedding and pointing slab or tile finishing is to be as described in paragraph G4.3.

S2 RENDERING & SCREEDS

S2.1 External Rendering

1. Two coats external render and spar-dash finish shall be to the thickness of the existing adjoining render, mix 1:1:6, sand/lime/cement.

2. Stone chippings shall be to match existing.

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S2.2 Beds and Backings

1. Sub-bases and backgrounds are to be brushed free of all dust, well wetted and coated with cement slurry before applying the screeds.

2. Beds are to be laid in alternate bays not exceeding 3.5 metres in any direction and the surface finished off in a manner to receive the appropriate tiling, paving or other finishing.

3. Latex or other treatments applied in patching or levelling old screeds or floors shall be completed and allowed to dry thoroughly before the application of floor tiles, carpet, etc.

S2.3 Bonding Agents

Bonding agents shall be “Unibond” as manufactured by Unibond Limited, or similar approved, applied strictly in accordance with manufacturer’s recommendations.

S2.4 Water-Proofing Agents

Water-proofing agents shall be “Febproof” as manufactured by FEB (GB) Limited, or similar approved.

S3 PLASTERED COATINGS

S3.1 Plastering

1. “Thistle” or other approved hardwall plaster shall be used strictly in accordance with the manufacturer’s instructions.

2. “Carlite” or other approved lightweight plaster shall be used strictly in accordance with the manufacturer’s instructions.

3. The render coat is to be a mix of cement/lime/sand (1:1:6) of the necessary thickness and the setting coat to be 3 mm thick “Finish” plaster to BS 1191 Part 1 Class B type B1 neat or gauged with lime putty (1:4).

4. Plaster to brick and block walls will generally be as for hardwall plaster and the render coat shall be “Browning” plaster to BS 1191 Part 2 type a1 and finish shall be “Finishing” plaster to BS 1191 Part 2 type b.

5. Plaster to brick and block walls will be in two coats. Allowances for all necessary background treatment/sealers and dubbing out are deemed to be included in the rates.

6. Mixing of plastering materials shall be generally carried out on a clean platform, in a clean mixing box or clean mechanical mixer. All spillage, drippings and the like shall be removed during mixing and upon completion.

S3.2 Metal Lathing, Beads, Stops, etc

1. The metal lathing, beads and stops to be corrosion resistant “Expamet” manufactured by the Expanded Metal Company Limited or similar approved complying with BS 1369.

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2. The metal lathing to be securely fixed with galvanised staples. Lapped and wired in accordance with the manufacturer’s instructions.

3. The metal beads and stops to be fixed with plaster dabs or galvanised nails in accordance with the manufacturer’s instructions.

S3.3 Plasterboard

1. Plasterboard is to comply with BS 1230 for Gypsum Lath nailed to soffits of studded with 32 mm x 12 swg galvanised clout headed nails for 9.5 mm lath and 38 mm x 12 swg galvanised clout headed nails for 12.7 mm lath. Boards shall be fixed with taped breaking joints strictly in accordance with the manufacturer’s instructions.

2. The prices for plasterboard to receive plaster finish are to include for flushing up to all joints in neat board finish plaster and covering all joints and angles to walls with 89 mm wide jute scrim cloth.

S3.4 Workmanship Generally

1. All rates for plastering are deemed to include for working around existing or new joinery, plumbing or electrical fittings and other such obstacles.

2. Plastering shall be executed in a proper and workmanlike manner, with true and even surfaces, and all arises and angles to be left perfect.

3. Surfaces to receive plastering shall be dry brushed to remove all loose particles, dust, efflorescence, etc, and any projecting fins on concrete surfaces shall be hacked off. All traces of mould oil shall be removed from concrete surfaces by scrubbing with water containing detergent and rinsing with fresh water.

4. Where new wall plaster is to line through with existing, additional dubbing render shall be applied as necessary, and deemed to be included in the rates.

5. Surfaces shall be wetted and re-wetted as required to equalise suction before the first coat of bonding agent, render or plaster is applied. In particular, dense, hard concrete surfaces shall be wetted and re-wetted as required before bonding plaster is applied.

6. Plaster on wallboard shall consist of a single coat of neat board finish plaster to a total finished thickness of 5 mm.

7. Plaster on thermal board shall consist of two coats, the first coat of Lightweight Bonding plaster and the finishing coat of finish plaster, to a total finished thickness of 13 mm.

8. All materials shall be thoroughly mixed in the proportions described. No mixes of plaster, other than those described, shall be used.

9. Bunkers and gauge boxes shall be thoroughly cleaned after each mix, and due care and attention shall be given at all times to their cleanliness.

10. Plastering shall not be started or continued when the air temperature falls below 3 deg. C, unless precautions are taken to raise and maintain the temperature of the

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air, materials and structure at not less than the above temperature until completion of hydration.

11. Plastering shall be protected from frost, extreme drying conditions and continued dampness.

12. Prices for plastering shall include for preparing surfaces of brickwork, concrete or the like by hacking, raking out of joints, wetting and the like to secure and adequate key, for all extra labour, working behind pipes and the like and for working into rebates in frames around openings.

13. Prices for making good to any existing plastered surfaces shall include for any hacking, raking out of joints, wetting and the like to secure an adequate key, for all extra labour, working behind pipes and the like and for working into rebates in frames around openings.

S4 WALL AND FLOOR TILING

S4.1 Wall Tiling

1. The wall tiling to be cushion edge white or coloured glazed ceramic tiles in accordance with BS 6431 as manufactured by HR Johnson or similar approved, laid with straight joint and fixed with an approved adhesive suitable for the particular background and grouted with an approved bacteria-resisting grout.

2. All tiles to be true in shape and free from all blemishes and shall be fixed strictly in accordance with the manufacturer’s instructions and washed off and cleaned down on completion.

4.2 Vinylised Floor Tiles

1. The vinyl tiles to be Marley, Armstrong or similar approved thermoplastic tiles, laid with an approved adhesive, cleaned of and sealed on completion strictly in accordance with the manufacturer’s instructions and BS 8203: “Code of Practice for installation of sheet and tile flooring”.

2. Where patches or areas of existing flooring are being renewed, the vinyl tiles are to be laid to match the colour and pattern of the existing flooring.

3. Prices for vinylised tile flooring shall include for any making good or priming of the base or background that may be required.

4.3 Flooring Generally

1. Concrete surfaces, beds and backings are to be thoroughly cleaned immediately prior to the commencement of tiling, paving or floorings.

2. The vinylised tile floorings shall not be laid until all work (except fixing skirtings and final decorations) have been completed.

3. Samples of all tiles, pavings, floor finished, etc, to be deposited with and approved by the Contract Administrator before any work is put in hand.

4. All tiling shall be set to produce an even surface without ridges or lips.

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5. Sub-floors to receive tiling shall be sound, true and level. Uneven surfaces shall be levelled using latex levelling screed or approved type and laid in accordance with manufacturer’s instructions.

6. The preparation for laying floor coverings of any type shall be deemed to include the cost of moving any room furniture and of trimming the bottom edges of any doors opening over the new floor surface.

4.4 Labours and Sundry Items

The Contractor shall allow for making good around, and cutting and fitting around insitu finishings, tile slab or block finishings or plain sheet finishings respectively to steel joists, angles, channels, tees and the like; bars and the like, ducting, trunking, brackets, newels, WC pedestals, floor springs, ventilators, soot doors and the like.

S5 PAINTING GENERALLY

S5.1 Wet Paint Notices

The Contractor must provide all necessary guards and wet paint notices and will be held responsible for any damage which may be caused by or through wet paint.

S5.2 Expressions

In this section and insofar as the subject matter permits, the expression “paint” may be taken to include varnish and other decorating materials. For example, a reference to paint being applied in accordance with the manufacturer’s instructions shall apply equally to varnish or wallpaper.

S5.3 Quality of Materials

1. All materials must comply with any appropriate British Standard.

2. All paints are to be delivered to the site in sealed containers as received from the makers and no labels are to be removed or painted out. The paint must be used without adulteration and in strict accordance with the manufacturer’s instructions, out of the original containers.

3. Where specified, painting is to be executed in approved shades, and the Contractor must submit samples of tints before ordering his materials. Each coat of paint must approximate to the finished shade, and where certain tints are recommended by the manufacturer, they must be used.

4. All unsatisfactory materials shall be immediately removed from the site and any work executed with such material shall be made good by the Contractor at his own expense to the satisfaction of the Manager.

S5.4 Thinners

Under no circumstances shall paint be thinned by the Contractor unless carried out in strict accordance with the instructions of the manufacturer, and to the approval of the Manager.

S5.5 Knotting

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Knotting shall be best quality shellac dissolved in methylated spirits and complying with BS 1336. All knots and resinous parts in prepared timber are to be covered twice allowing for drying between applications and before the application of primer.

S5.6 Stopping

Stopping for external woodwork shall be genuine linseed oil putty or white lead paste complying with BS 6900 with or without the addition of red lead complying with BS 217 Type 2 and/or an approved propriety make of polymer based filler recommended for external use, and tinted to match the colour of the undercoat.

S5.7 Removers and Solvent Removers shall comply with BS 3761; solvents shall comply with BS 245.

S5.8 Lead in Paint

All paints used shall be “Lead Free”.

S5.9 Approved Material Manufacturers

The materials to be used are those manufactured by Berger, Dulux or of other similar manufacturer and shall be submitted to the Contract Administrator at the commencement of the contract for written approval before use. All materials shall be obtained in sealed containers and must be applied strictly in accordance with the manufacturer’s instructions and be suitable for the purposes intended.

S5.10 Code of Practice

All painting work shall comply with BS 6150 “Code of Practice for painting buildings”.

S5.11 External Waterproofing (Clear)

External waterproofing is to be applied to external elevations where directed. Prior to application, all brickwork must be suitably prepared by brushing down and removing all loose material and removal of all established organic growth by brushing off and treating with approved fungicide. All external openings and fittings to be protected during application.

S5.12 Samples

The Manager may request samples of any material to determine specification accuracy, and the Contractor shall be deemed to have allowed in his tender for the provision, transportation and testing of material samples.

S5.13 Colours

The Contractor shall allow for matching all redecorated work to comply with existing colour schemes.

S5.14 Metal Primers

Metal primers shall be red oxide to BS 2523 for iron and steel and calcium plumbate to BS 3698 for galvanised surfaces.

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S5.15 Wood Preservatives

Where applied preservative treatment to timber is required this shall comply with BS 1282.

S5.16 Brushwork

Unless specifically described otherwise all coatings shall be applied by brush. Rollers shall be used only in the application of emulsion paint to walls and ceilings.

S5.17 Painting

1. Ample time shall be allowed for the drying of each coat of paint before applying the next and the work must be done systematically so that each coat can be approved by the Manager before the next coat is commenced.

2. No coating shall be applied to surfaces affected by wet, damp, foggy or frosty weather or to any surface damp with moisture. No coating shall be applied in temperatures below 5 deg. C.

S5.18 Touching Up

All damaged paint work shall be touched up on completion of the works to the satisfaction of the Manager.

S5.19 Protection of Furniture, etc

1. The Contractor shall allow for the protection of all furniture and fittings, the provision of dust sheets and the removal of items such as curtains, etc, prior to commencing any work together with the rehanging or reinstatement of the same upon completion.

2. Windows and doors etc shall not be painted in the closed position under any circumstances.

S6 REDECORATION – WORKMANSHIP

S6.1 Walls and ceilings – preparation

1. Thoroughly wash down and scrape previously distempered surfaces to remove all traces of old material before redecoration.

2. Where specified for redecoration, plastered walls and ceilings shall be thoroughly cleaned down and all loose and flaking decoration removed by scraping, all sharp-edges rubbed down and faced with filler to produce a smooth even finish.

3. Large cracks and areas of defective plaster are to be cut back with undercut edges and made good with Keenes patent plaster and rubbed down to a smooth even finish.

4. Small cracks shall be raked out, stopped with filler and rubbed down. All new plaster and filling in making good shall be sealed with one coat of an approved sealer and the whole surface left ready to receive re-direction.

5. Apply two coats emulsion paint to colour selected. To bare plastered surfaces apply first mist coat of emulsion paint in addition.

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S6.2 Wall and Ceiling Paper

1. The wall or ceiling paper shall be woodchip medium grade unless otherwise specified and to the approval of the Manager.

2. Wall and ceiling papers shall be applied with approved adhesive suitable for the grade and weight of paper to be hung.

3. New plaster surfaces must be sized with an approved sizing compound to BS 3357 prior to hanging any new papers.

4. Wall and ceiling papers are to be carefully trimmed at the edges, cleanly and carefully hung with butted joints and matching or shaded as necessary.

5. Decorative wallpapers shall be as selected by the manager and hung in accordance with the manufacturer’s instructions and good practice, all waste deemed to be included in the rate.

S6.3 Previously painted woodwork

1. Remove all defective, perished flaking or blistered paint work by burning off or by use of a chemical stripper, rub down with fine glass paper to a smooth surface and dust off.

2. Apply two thin coats of knotting to all knots and resinous areas, coating about half and inch beyond the defect and feathering off edges.

3. Spot prime joints, bare wood patches or other defects of remaining painted woodwork, including areas where repairs and/or easing ahs been carried out. Allow to dry and stop up with stopping as described. Apply one coat undercoat to bring forward primed areas.

4. Wash all remaining painted surfaces with a solution of detergent and water to remove all dust, dirt and other contamination. Rub down whilst wet with fine grade abrasive.

5. Rinse thoroughly with clean water to remove all washing residue.

6. Apply overall one coat undercoating and one coat gloss paint to internal surfaces colour appropriate to finishing colour selected.

7. Apply either two undercoats and one gloss coat or one undercoat and tow gloss coats to external surfaces, to colours selected.

S6.4 Hardwood

1. All external hardwood not previously painted, i.e. doors and window cills, side panels to front entrance doors, cedarwood panels, etc. shall be thoroughly cleaned down and two coats of “Cedar Oil” applied allowing 24 hours between each coat and strictly in accordance with manufacturer’s instructions.

2. Internal hardwood previously varnished shall be washed down with white spirit, allowed to dry and sandpapered to a smooth, clean dust free surface. Apply two coats polyurethane varnish to finish selected.

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S.6.5 Previously painted metalwork

1. Thoroughly rub down with a stiff wire brush to remove all defective paint, scale, rust, grease, etc.

2. Prime all bare metal immediately and allow to dry.

3. Degrease remaining painted surfaces with white spirit and wash with a solution of detergent and water and finally rinse with clean water.

4. Spot prime all joints, defects and repairs.

5. Apply overall one coat undercoating and one coat gloss paint to colour selected internally and either two undercoats and one gloss coat or one undercoat and two gloss coats to external metalwork.

S6.6 Defective Putties, Glazing Repairs

Defective putties to glazing of wood or metal windows shall be hacked out of rebates as required and putty made good by the Contractor in accordance with Section W (Windows and doors). Prime rebates before applying new putty.

S6.7 Plastic Gutters & Downpipes

1. Clean out, wash down and leather off plastic gutters and downpipes. Remake any leaking gutter joints and leave in a watertight condition.

S6.8 Cast Iron Gutters & Downpipes

1. External surfaces to be treated as described in Clause S6.5.

2. Internal surfaces of gutters shall be cleaned out, all leaking gutter joints remade, and one coat of black bituminous paint applied, the whole left in a watertight condition.

S6.9 Asbestos Gutters, Downpipes and Soffits

1. Where unpainted, clean out and remove surface contamination by washing off with clean water to avoid diffusing asbestos particles into the atmosphere.

2. Where previously painted, thoroughly wet and rub down with a stiff bristle brush to remove existing paint work. Allow to dry.

3. Prime all bare surfaces with an alkali-resisting primer.

4. Apply overall one undercoat and one coat full gloss to colour selected.

5. Remake all defective gutter joints before redecoration and leave in a watertight condition.

S6.10 External Walls

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1. Previously painted walls, whether fair faced brick or blockwork, rendered or concrete, shall be thoroughly cleaned down with a stiff wire brush to remove all loose material, efflorescence, mould growth, etc.

2. Treat surfaces attacked by mould growth with fungicidal wash.

3. Apply overall one coat of stabilising solution and one coat weathercoat or similar approved masonry paint to colour selected.

SECTION D – DISPOSAL SYSTEMS

D1 GENERALLY

D1.1 Compliance with all Sections


D2.2 RAINWATER AND SOIL INSTALLATIONS

1. PVCu rainwater and soil goods shall comply with BS 4576 Part 1, and BS 4514, as manufactured by one of the firms listed hereafter, or similar approved.

“Osma” Wavin Building Products Let, Parsonage Way, Chippenham, Wilts.

“Key Terrain” Caradon Terrain Limited, Aylesford, Maidstone, Kent.

“Marley” Marley Extrusions Limited, Lenham, Maidstone, Kent.

“Rymway” 1 M 1 Yorkshire Imperial Plastics Limited, Leeds.

“Bartol” Bartol Plastic Limited, Edlington, Doncaster.

2. Throughout the District, types, colours, sizes and section profiles will vary and in every case the Contractor shall select goods to match the original.

3. On complete renewals, the goods shall, unless otherwise directed be as follows:-

Gutters and Rainwater Pipes : BlackSoil Pipes : Grey

4. In cases where obsolete existing equipment is encountered, total replacement with an approved material may be authorised, but only by prior instruction of the Manager.

D2.2 Fixing and Joining Plastic Rainwater and Soil Installations

1. All plastic rainwater and soil goods shall be installed in accordance with the manufacturer’s instructions using the proper accessories and secured with the proper rust-resistant screws and plugging as required.

2. The rates for lineal items shall be deemed to include for all angles, joints and fittings in the running length and any terminals, shoes, outlets and the like.

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3. Where joints are to be repaired allow for removing all gutters, pipes and fittings adjacent to the defective joint (such as are necessary to facilitate the remedial operation) clean the surfaces of the joints to remove all traces of dirt, grease or previously applied sealer or jointing compound and re-joint as recommended by the appropriate manufacturer.

4. Provide access fittings and cleaning eyes, etc on rainwater and waste installations at connection to drains, changes in direction of stack, and ends of branches receiving multiple connections.

D2.3 Roof Outlets

1. Plastic roof outlets to be from and approved supplier and fixed strictly in accordance with the manufacturer’s instructions.

2. Galvanised balloon guards shall comply with BS 416; plastic guards shall be used in conjunction with plastic pipework, and shall be fitted to all open stacks.

D2.4 Cast Iron Rainwater Installations

1. All cast iron rainwater goods shall comply with BS 460. Gutter joints shall be bedded on and pointed with “Rito”, or similar approved.

2. Internal surfaces to all new rainwater pipes and gutters shall be painted with two coats of “Norusto” or similar approved treatment.

3. The rates shall include for rust-proofed gutter bolts and brackets.

D2.5 Cast Iron and Steel Soil Installations

The cast iron and galvanised steel soil and ventilation goods shall comply with BS 416 and BS 3868 and shall be installed where required to match existing all in accordance with best practice.

D2.6 Repair of Asbestos-Cement Installations

Take down, wet down and clean gutter or pipe and fittings adjacent to specified defective joints. Reassemble joints bedded in and pointed with “Rito” or similar approved compound. Include for new rust-proofed bolts and nuts.

D2.7 Blockages

Blockages in rainwater or soil pipes are to be cleared fully at the first visit by dismantling fittings and joints as necessary, rodding, flushing through, re-assembly and leaving in full working order. Any return visit within three months to the same address to clear a blockage which was not properly cleared on the first occasion will be made at the Contractor’s expense.

D3 DRAINAGE MATERIALS

D3.1 Vitrified Clayware Drain Pipes and Fittings

1. Clayware pipes, traps, gullies and fittings, jointed with flexible joints shall be “Helpsleve” or “Hepseal” as manufactured by The Hepworth Iron Company Limited,

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Stocksbridge, Sheffield or similar approved with spigotted and socketed joints but in any event complying with BS 65.

2. Gratings, sealing plates and frames and other metal accessories shall be either coated cast iron or galvanised steel.

D3.2 PVCu Pipes and Fittings

PVCu pipes and fittings shall be to BS 4660 and manufactured by an approved firm (see Clause D2.1). Ring seal joints are to be made in accordance with the manufacturer’s instructions.

D3.3 Coated Cast Iron Drain Pipes and Fittings

Cast iron pipes and fittings shall comply with BS 437 and be obtained from an approved manufacturer.

D3.4 Granular Beds

Granular bedding for rigid pipes up to and including 300 mm diameter with mechanical flexible joints shall be 10 mm single size aggregate to BS 882.

D3.5 Precast Concrete Manholes

Precast concrete manholes shall comply with BS 5911: part 1 with a preformed bituminous jointing strip.

D3.6 Bricks for Manholes, etc

Bricks for manhole or other construction related to drainage shall be Class B clay engineering bricks to BS 3921 Part 2.

D3.7 Step Irons

Manhole step irons shall comply with BS 1247 general purpose pattern.

D3.8 Manhole Covers and Frames

Manhole covers and frames shall be coated cast iron or cast steel to suit the location in which they are used and shall comply with BS 497 Part 1 set in grease and sand.

D4 DRAINAGE – WORKMANSHIP

D4.1 Setting Out

The Contractor shall set out all drains as directed by the Managers and shall provide all instruments and equipment and necessary to achieve the proper execution of the Work.

D4.2 Existing Drains

1. The Contractor shall check the invert levels of existing drains, sewers, and manholes before laying new drains and shall notify the Manager immediately if the declared invert levels are found to be inaccurate.

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2. All excavation to expose drains to a depth not exceeding 1 metre is to be carried out by hand.

D4.3 Excavation

The bottom of all excavations shall be trimmed and consolidated to the correct levels. Unauthorised excavations below the required levels shall be filled with materials of the same composition as for drain beds at the Contractor’s expense. Where the bottom is insufficiently firm, the Contractor shall excavate until a firm bottom is obtained and the level shall be made up with material of the same composition as for drain beds for with a layer of concrete blinding is so directed. Particulars of such additional work shall be agreed with the Manager before the work is covered up, otherwise no claim in this respect will be entertained.

D4.4 Planking, Strutting and Underpinning

Care shall be taken not to undermine the foundations of buildings and, if so directed,planking, strutting and underpinning shall be left in or other means adopted to protect the foundations. Details of such additional items shall be agreed with the Manager before the work is covered up, otherwise no claim in this respect will be entertained.

D4.5 Backfilling

1. Trenches for clayware or cast iron drains shall first be filled to a depth of 300 mm with selected fine material carefully hand packed around the pipe. On no account shall materials be tipped into the trench until the first 300 mm has been completed.

2. Filling shall be continued in layers not exceeding 300 mm thick, well rammed, and if necessary, watered. No mechanical rammers may be used until at least 300 mm of consolidated filling has been returned over the pipe.

3. If after backfilling subsidence occurs causing damage in adjoining surfaces or adjoining structures the Contractor shall make good such damage at his own expense.

D4.6 Concrete (mix 1:3:6 – 38 mm) Beds, Haunching and Surrounds

1. Beds shall be a minimum of 150 mm thick below the pipes and shall be of the full width of the trench and finished to the correct gradients.

2. After testing, the drains shall be haunched up on both sides to the top of the pipe sockets.

3. Vertical drains and drains passing under footings or roads shall be surrounded with concrete 150 mm thick all round.

4. All gullies, shoes, etc shall be set on a base 150 mm thick and encased 150 mm thick all round.

5. Drains passing through walls shall not be encased in concrete.

D4.7 Granular Beds and Surrounds

1. All hard obstructions and soft pockets shall be dug out and the excavated materials removed. The resultant void shall be filled with granular fill bedded and

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consolidated. Where trenches are in made up ground, or wet conditions are encountered, 75 mm concrete binding shall be laid.

2. Where drains are specified to be laid on a granular bed and haunching, the pipes shall be laid on a granular material 150 mm deep, spread and compacted and finished to the correct gradients and to the correct widths at the critical plane as directed by the Manager and when compacted, socket holes shall be formed in the bedding material sufficient to allow the full length of the pipe barrels only to rest thereon.

3. After bedding, aligning, levelling and testing the drain pipes, further granular bedding shall be placed evenly and consecutively on each side to half way up the pipe, and well compacted.

4. Backfilling for the first section of the trench shall be from the top of the granular bedding to 300 mm above the top to the pipe with an “earth blanket” of selected fine excavated material, sieved through a fine mesh and free from hard pieces of material, building rubbish, frozen soil, tree root, vegetable matter and any material liable to decay.

5. Backfilling for the next 300 mm and above shall be with normal excavated material as described under backfilling, but it shall be carried out by hand with no mechanical ramming.

6. Backfilling for the next 300 mm and above shall be with normal excavated material as described under backfilling, but it shall be carried out by hand and light mechanical ramming only.

D4.8 Laying Drains

1. Drains shall be laid in straight lines to even gradient from point to point, each pipe being “boned-in” and the whole accurately laid and butted closely together at the joints.

2. All drains shall be commenced at the lowest point with sockets leading up the gradient.

3. Pipes shall rest on solid and even foundations for the full length of the barrel with hollows formed in the granular bed or ground for the sockets.

4. All drainage work shall be executed in conformity with the Building Regulations.

5. Trenches shall be left open for inspection by the Manager and until the drains have been tested and approved.

6. Prices for excavation are deemed to include for excavating by hand and excavating through hardcore, clay or other hard consolidated filling as necessary in addition to the natural ground.

7. Drains passing through walls shall do so 75 mm clear of the structure which shall have a suitable head support and compressible cavity packings as required.

D4.9 Use of Flexible Joints

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1. Clayware drains with flexible joints shall be laid on beds of granular bedding and shall be jointed in accordance with the manufacturer’s instructions.

2. Where flexible drain pipes unavoidably pass through foundations they are to be set so that the flexible drain joint is not more than 150 mm from the face of the wall foundations or manholes with a further joint 600 mm from the last joint.

D4.10 Manhole Construction

1. Bases shall be formed of in-situ concrete (Mix 1:3:6 – 38mm) a minimum of 100 mm thick and reinforced with welded mesh reinforcement to BS 4483 Table 1 type A142.

2. Brickwork in manholes shall be in cement mortar (1:3) in English bond, built fair face with flush joints internally. Where built into manhole walls pipes of 225 mm diameter and over shall have half brick relieving arches over.

3. Benching in bottoms of brick manholes shall be in fine concrete (mix 1:2:4 – 19 mm) to fall steeply to channels finished with cement mortar (1:2) 25 mm thick trowelled hard and smooth with all angles rounded.

4. As an alternative, manholes may be constructed in pre-cast reinforced concrete to the approval of the Manager.

5. One or two courses of engineering brickwork in cement mortar (1:3) shall be provided below the access cover frames, which shall be set to the profile of the road or ground surface. The frames shall be bedded in cement mortar (1:3) carried over the edge of the frames and neatly struck back to the frame upstands.

6. Manholes and inspection chambers shall be watertight. Pipes passing through the chambers shall terminate flush with the interior wall except in the case of circular chambers where a cement and sand (1:3) fillet shall be formed over the projection crown.

7. The laying of sewers and drains shall be so organised that a flexible joint is located 150 mm from the exterior wall followed by another flexible joint 600 mm from the first joint.

8. Irrespective of their sizes, incoming and outgoing pipes on the main through run shall be laid with their inverts at the same level unless specifically instructed otherwise. The invert levels of lateral connections shall be coincident with the centre line level of the outgoing pipe, unless otherwise detailed.

9. Channels shall be formed with the appropriate half round channel sections. The channels shall be extended vertically on both sides in concrete with 25 mm thick cement mortar rendering turned neatly into the benching rendering.

10. In chambers exceeding 750 mm deep, from cover level to benching level, step irons shall be fixed staggered at 300 mm centres. The step irons shall be so fixed as to provide a direct landing onto the widest part of the benching.

11. Cambers and manholes shall be completed in one continuous operation and cover frames shall be fixed if necessary as a temporary measure direct onto the cover slab. It will not be permitted for chambers and manholes to stand partially

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completed and open. The Contractor shall take such steps as are necessary to prevent the ingress of soil or rubbish into the chambers or pipes.

D4.11 Testing and Completion

1. All drains and manholes shall be tested for water-tightness and straightness to the satisfaction and in the presence of the Manger and the Local Authority. Drains shall be filled with water to a head of 1.5 metres for testing in sections to the satisfaction of the Manager as follows:

1. after jointing;

2. after haunching or bedding and backfilling;

3. after completion of the works.

2. All drains, bullies manholes, repairs etc, shall be cored, cleaned and flushed on completion.

3. All drainage works shall comply with the current Building Regulations, all Local Bylaws and shall be to the complete satisfaction of the Local Authority.

D4.12 Underground Services

1. The Contractor shall take all necessary steps, whilst carrying out excavations for any purpose, to establish the location of existing underground services including gas, electricity and water pipelines.

2. Any damage caused to existing underground services and any consequential damage will be the Contractor’s responsibility and all necessary repairs and making good will be carried out entirely at the Contractor’s expense without delay.

D4.13 Excavation in Rock or Buried Obstructions

1. The Contractor shall immediately notify the Manager if any rock or other solid sub-strata obstructions are encountered in excavation for any purpose.

2. The extent of breaking out rock will be measured on site and agreed between the Contractor and Manager. Claims by the Contractor for breaking out any such obstructions not recorded in this way will not be accepted.

SECTION X – EXTERNAL WORKS

X1 GENERALLY


X1.2 Electricity, Gas, Water and Telephone Service, etc

1. The Contractor shall allow for and co-operate with activities of Statutory Undertakings and authorised companies installing mains pipework, cable, street lighting, etc.

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2. The Contractor will be held responsible for seeing that the various Authorities or Companies lay their mains, etc, along routes on or adjacent to any property without undue delays or disruption. No claim will be allowed for any delay or disruption which may be occasioned by such work.

3. The Contractor will also be responsible for seeing that the various Authorities or Companies properly backfill and consolidate all trenches or pits excavated by them and make good any surface disturbed.

X2 EXCAVATION, CONCRETE AND PAVINGS

X2.1 Excavation and filling

1. Excavation and filling generally shall be all as described in Section G – General Building Works.

2. Filling to make up levels under pavings to be approved earth filling selected from the sub-soil excavation or where required approve “as-raised” aggregate. Filling to be deposited in layers not exceeding 150 mm in thickness, well rammed, watered as necessary and consolidated.

X2.2 Concrete and Formwork to Paths

1. Concrete and formwork in construction of paths shall be all as described in Section G – General Building Work.

X2.3 Precast Concrete Paving Slabs

1. The precast concrete paving slabs shall be hydraulically pressed, of natural uniform colour throughout and complying in all respects with BS 7263 part 1: 1990.

2. The slabs shall be laid true and square on a bed of dry ash or sand and bedded on mortar dabs (1:3). Joints between slabs shall be 6 mm wide, flush pointed with cement and sand (1:6) mortar.

3. The Contractor shall include in his percentage adjustments to the Schedule of Rates for any extra filling, rolling and compaction necessitated by the general nature of the site, or where any drains, sewers, or mains have been laid or constructed, for the reinstatement of any subsidence which may occur and generally for the provision of a stable and permanent foundation.

X2.4 Coated Macadam Paving for Footpaths

1. Coated macadam generally to be in accordance with BS 4987.

2. Base course: 20 mm open textured bitumen macadam with crushed rock or slag aggregates and bitumen binder.

3. Wearing course: 6 mm medium textured bitumen macadam with crushed rock of slag aggregate and bitumen binder.

X3 FENCING

X3.1 Timber

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1. Timber generally shall be in accordance with BS 5268 Parts 2 and 3: 1985 “Structured Use of Timber”.

2. Dimensions of softwood shall, otherwise specified, be in accordance with BS 4471 Parts 1 and 2.

X3.2 Timber Gates

1. Frames to be constructed with mortice and tenon joints using preservative treated wood.

2. The description of each item shall include for all labour, materials fixing or hanging, glue, nails, screws, plugs, paint or preservative and everything necessary for the proper completion of the works. Timber shall be deemed to be fixed with nails unless otherwise described.

3. SG style gate to comprise of Ex 100 mm stiles and brace, Ex 150 mm bottom rail, Ex 100 mm top rail, Ex 75 mm palings pinned to rails, Ex 75 mm capping.

4. Each gate to be supplied for either stain or paint finish at the Manager’s discretion.

X3.3 Preservative Treatment

1. All timbers shall be “Tanalised” or impregnated under vacuum and pressure in accordance with BS 4072 with “Celcure A” wood preservative by an approved specialist, with an average retention of not less than 5.3 kg of dry salt per cubic metre.

2. As an alternative and with the Manager’s approval timbers may be vacuum-impregnated with “Treatim CCA”, “Tanalith C” or by the “VAC-VAC” process – each used strictly in accordance with the manufacturer’s instructions.

3. Prior to treatment all timber shall have been seasoned to a moisture content not exceeding 25%.

4. All treated timbers shall have been open stacked and air-dried for not less than two weeks before being installed.

5. All deep cutting, planning and other fabrication shall be carried out before treatment. Where any cross-cutting or notching of the pressure impregnated timbers is necessary on site all new surfaces exposed shall be liberally swabbed with a suitable end grain preservative.

6. The Contractor shall provide upon request a certificate of treatment to cover all timbers processed as above.

7. Wood preservatives for brush application shall be “Cuprinol Transcolour” or other approved and applied strictly in accordance with the manufacturer’s instructions. Woodwork to be treated shall be thoroughly cleaned and perfectly dry before application and the preservative shall be brushed on in two coats and worked in to all joints. The second coat shall follow before the first coat has dried out.

X3.4 Painting

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Where existing fencing or gates requiring repair or renewal are painted the Contractor shall paint the repaired or renewed sections to match the existing.

X3.5 Cleft Chestnut Fencing

Cleft Chestnut Fencing shall comply with BS 1722 Part 4 and shall be 1075 mm high unless otherwise described.

X3.6 Chain Link Fencing

1. Chain Link Fencing shall be galvanised or plastic coated as specified and comply with BS 1722 Part 1, intermediate posts set at 3 m centres.

2. All line wires shall be of 3 mm diameter high tensile wire. Line wire shall be threaded through the posts and strained with rust-resistant eye-bolts.

X3.7 Concrete Posts

Concrete intermediate posts and struts shall be 100 x 100 mm set in concrete base.

(March 04)

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