Bridge Spec Prov

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SCHEDULE 3 SPECIAL PROVISIONS AND APPENDICES

PROJECT NO.

BRIDGE CONSTRUCTION SPECIAL PROVISIONS

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http://www.th.gov.bc.ca/publications/eng_publications/eng_pubs.htm#Bridge_Engineering_Section_Publications or:

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TABLE OF CONTENTS

SECTION 2 BRIDGE CONSTRUCTION..........................................................................4

2.1 General................................................................................................................4

2.2 Working Office.....................................................................................................4

2.3 Structure Identification Numbers.........................................................................4

2.4 Navigation Channel............................................................................................. 4

2.5 Dewatering.......................................................................................................... 6

2.6 Access ................................................................................................................ 6

2.7 Cofferdam(s)....................................................................................................... 7

2.8 Detour ................................................................................................................ 7

2.9 Demolition of Existing Bridge .............................................................................8

2.10 Demolition of Concrete...................................................................................10

2.11 Preparation of Existing Concrete Surfaces.....................................................10

2.12 Foundation Excavation and Backfill ...............................................................11

2.13 Bridge End Fill................................................................................................ 12

2.14 Steel Piles....................................................................................................... 14

i) H Piles and Closed Ended Pipe Piles..................................................................... 14a) Mobilization for Pile Installation.........................................................................................................................14b) Supply..................................................................................................................................................................14

c) Splicing and Pile Tip Modification......................................................................................................................14

d) Installation...........................................................................................................................................................14

e) Pile Testing..........................................................................................................................................................16

f) Payment ...............................................................................................................................................................16

ii) Open Ended Pipe Piles......................................................................................... 17a) Mobilization for Pile Installation.........................................................................................................................17

b) Supply..................................................................................................................................................................18c) Splicing and Pile Tip Modification.....................................................................................................................18

d) Installation..........................................................................................................................................................18

e) Rock Socket Installation.....................................................................................................................................20f) Pile Testing..........................................................................................................................................................20

g) Payment .............................................................................................................................................................21

2.15 Formwork and Falsework................................................................................22

2.16 Reinforcing Steel............................................................................................ 22

SCHEDULE 3 - SPECIAL PROVISIONS PROJECT No.

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2.17 Cast-in-Place Concrete................................................................................... 23

2.18 Slope Pavement..............................................................................................25

2.19 Supply and Manufacture of Prestressed Concrete Stringers...........................25

2.20 Shipping and Erection of Prestressed Concrete Stringers...............................26

2.21 Steel Bracing between Concrete I-Beams.......................................................26

2.22 Supply and Fabrication of Precast Concrete Members...................................26

2.23 Shipping and Erection of Precast Concrete Members.....................................26

2.24 Post-Tensioning..............................................................................................27

2.25 Supply and Fabrication of Structural Steelwork..............................................27

2.26 Shipping and Erection of Structural Steelwork...............................................27

2.27 Painting of New Structural Steelwork.............................................................27

2.28 Coating of Existing Structural Steelwork........................................................27

2.29 Deck Joints......................................................................................................27

2.30 Bearing Assemblies........................................................................................ 28

2.31 Aluminum Railing........................................................................................... 28

2.32 Parapet Railings..............................................................................................29

2.33 Sidewalk Fence and/or Bicycle Fence.............................................................29

2.34 Deck Drains.................................................................................................... 29

2.35 Standard Bridge Parapet Transition................................................................30

2.36 Riprap Protection............................................................................................30

2.37 Restrainer Bolt Assemblies............................................................................. 30

2.38 Drilling Dowel Holes, Supply and Placement of Grout.....................................31

2.39 Concrete Overlay ...........................................................................................32

2.40 Concrete Overlay ...........................................................................................33

2.41 Silane Surface treatment................................................................................33

2.42 Linseed Oil Surface treatment .......................................................................33


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2.43 Waterproofing Membrane and Asphalt Pavement Overlay ............................34

34

2.44 Approach Roadways....................................................................................... 35

2.45 Catch Basins................................................................................................... 35

2.46 Roadside Barriers........................................................................................... 36

2.47 Expanded Polystyrene (EPS) Fill and Polyethylene Sheeting..........................36(a) Materials.............................................................................................................................................................37

(b) Geometry............................................................................................................................................................37

(c) Placement...........................................................................................................................................................38

(d) Payment..............................................................................................................................................................38

2.48 Interlocking Concrete Block Retaining Walls..................................................38

2.49 Provisional Sum for Modifications on Site.......................................................40

APPENDIX/APPENDICESAppendix No. ____ - Foundation Excavation and Backfill

Appendix No. ____ - Maintenance Painting of Old Steelwork

Appendix No. ____ - Quality Control Program for Coating of Steelwork

Appendix No. ____ - Installation of Bailey/Acrow Bridge

Appendix No. ____ - Removal of Bailey/Acrow Bridge

Appendix No. ____ - Supply, Fabrication and Installation of Bearing Assemblies


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SECTION 2 BRIDGE CONSTRUCTION

2.1 General

Payment for work will be made at the prices bid for the Items appearing in the Scheduleof Approximate Quantities and Unit Prices.

Any work called for which is not listed as an Item in the Schedule of ApproximateQuantities and Unit Prices will not be paid for separately. The cost of such work shall beincluded in the prices bid for the Items in the Schedule of Approximate Quantities andUnit Prices.

The Ministry may require an acceptable declaration from the Contractor transferringownership of materials to the Ministry.

Progress payments will be made monthly, on the basis of progress estimates preparedby the Ministry Representative. Unless more particularly specified in these SpecialProvisions, each progress estimate will assess the contract value of materials suppliedand work done.

Progress payments will be made monthly, on the basis of invoices submitted by theContractor and approved by the Ministry Representative.

2.2 Working OfficeThe Contractor shall supply, maintain and remove a Type (A, B or C) Ministry Office inaccordance with SS 145.18.01.

Payment for the Working Office will be made at the Lump Sum Price in accordance withSS 145.18.01.

2.3 Structure Identification Numbers

The Ministry Representative will make available the numeral forms for the Contractorsuse when the Contractor is required to imprint an identification number on the structure.The Contractor shall return the numeral forms to the Ministry Representative in goodclean condition upon completion of the Work.

2.4 Navigation Channel

General

The Contractor shall maintain an unobstructed navigable channel in the waterway. Theextent of the channel will be subject to the approval of Transport Canada, Navigable


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Waters Protection Division. The Contractor shall supply, install and maintain any lights,buoys, warning signs and any other aids to navigation as required by the authority, tomark obstructions caused by the Contractors operations.

All works are subject to Navigable Waters Bridge Regulations and Navigable WatersWorks Regulations and shall be to the satisfaction of the NWPA officer. Duringconstruction, navigation channel clearances must not be less than metres vertical for allwater levels during the duration of the restriction with a minimum width of metres

(normalized to water flow). The navigation channel shall at no time be blocked byconstruction equipment or debris. Any construction materials, temporary worksincluding work bridge or equipment shall be marked with high visibility materials andpaints (traffic cones and orange reflective tape/flagging for example) to ensure vesseloperators can observe any impediment or restriction. Work bridges shall be lit by eitherwork lights or flashing yellow lights during the hours of darkness. The Contractor shallcommunicate with the NWPA officer (Transport Canada, Navigable Waters Division) todevelop a marking system to ensure the safety of vessels passing through the work site.Channel markers may be required to indicate the safe channel during construction. Themarking of the channel shall be determined by the NWPA officer.

The Contractor shall control construction material and debris and ensure its removal, not

permitting it to become waterborne. Piers on either side of the navigation channel shallbe kept clear of debris.

The Contractor shall provide warning and directly advise known river users as requiredby the NWPA Officer.

If span arrangements, pier types, navigable openings or plans for removal of thetemporary works are revised, then the Contractor shall arrange for the necessarypermits, approvals and documentation in accordance with the Navigable WatersProtection Act, Navigable Waters Bridge Regulations and Navigable Waters WorksRegulations.

One warning sign shall be placed facing upstream on one bank of the river 300 to 500meters upstream of the Bridge site and one sign shall be placed 200 metersdownstream of the Bridge site facing downstream. The sign shall be at least 2.4 by 1.2meters in size and provide the following information. All lettering is to be 200 mm high.

Warning Bridge Construction Ahead"Restricted Clearance~x metresPhone: (xxx) xxx xxxx for information

The work bridge, facilities, and any construction materials and equipment in the rivershall be completely removed.

NWPA Permits and conditions obtained by the Contractor shall be posted at theworksite where it is clearly visible to work crews and officers of Fisheries andEnvironment Agencies for the duration of the construction.

Contact NWPA officer for this Project is:


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References for the above mentioned requirements are as follows;

Navigable Waters Protection Act,Navigable Waters Bridge RegulationNavigable Waters Works Regulations.

All costs resulting from the Contractor's responsibility for the work required above will bedeemed to be incidental to the Work and no separate payment will be made.

2.5 Dewatering

Dewatering shall include all work required to ensure that all concrete is placed in the dryand protected from damage by water.

Payment for dewatering will be made at the Lump Sum Price(s) bid.

2.6 Access

Access for bridge construction consists of the necessary work and operations to allowfor the movement and placement of personnel, equipment and materials on the Site tofacilitate construction of the Work. Access includes, but is not limited to, the constructionof temporary works including roads and associated cuts and fills, retaining walls, railwaycrossings and bridges.

The Contractor shall forward access drawings to the Ministry Representative for reviewno later than eight (8) weeks prior to the start of its construction. The drawings shallclearly show all details and locations of all required temporary access works. Whererequired, design and drawings of all temporary access works shall be prepared and

sealed by a professional engineer registered with the Association of ProfessionalEngineers and Geoscientists of British Columbia (APEGBC) and experienced in thedesign of works similar to those required for this project.

The Ministry Representatives review of access drawings will not relieve the Contractorof any responsibility for dimensions, detail design, concept review or for carrying out thework in accordance with the drawings and specifications for the temporary accessworks.

Unless otherwise accepted by the Ministry Representative, all access roads andassociated structures shall be removed upon completion of the Work and the Siterestored to the satisfaction of the Ministry Representative.

Payment for access will be made at the Lump Sum Price(s) bid. Payment shall includethe establishment of access to all parts of the Work and the complete removal of allmeans of temporary access, as required by the Ministry Representative.

Payment of 75% of the Lump Sum will be authorized when access to all parts of theWork is established. If access to different parts of the work is required at separate


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times, a reasonable assessment of costs will be made. Payment of the remaining 25%will be authorized when all means of access have been removed, as required by theMinistry Representative.

2.7 Cofferdam(s)

The foundations at ______, and ______, will be constructed within cofferdams.

The Contractor shall submit drawings, sealed by a professional engineer registered withthe APEGBC, for review by the Ministry. Drawings shall be submitted a minimum of 21days prior to start of the cofferdam installation. Cofferdam installation shall not proceeduntil completion of the Ministry review process.

Environmental guidelines specified in SS 165 and the requirements of the environmentalagencies as listed in these SP x.xxshall be strictly adhered to by the Contractor duringdesign, installation, maintenance and removal of the cofferdam(s).

Payment for cofferdam(s) will be made at the Lump Sum Price bid. Payment shallinclude the design of, supply of materials for, construction (including tremie seal

concrete if required), dewatering, maintenance and removal of the cofferdam.

Payment of 75% of the Lump Sum Price will be authorized when the cofferdam is fullybuilt and dewatered. Payment of the remaining 25% will be authorized when thecofferdam has been removed, to the satisfaction of the Ministry Representative.

2.8 Detour

Before removal of the existing bridge, the Contractor shall construct a detour metreswide to accommodatetraffic.

Detour bridges shall be designed in accordance with CAN/CSA S6-06 and Ministrystandards using CL-625 loading and project specific requirements. Engineeringdrawings of the detour bridge, sealed by a professional engineer, registered with

APEGBC shall be submitted to the Ministry for review two weeks before detour bridgeconstruction commences on site. After construction of the detour bridge, the Contractorshall provide a letter signed by a professional engineer stating that the detour structurehas been constructed in accordance with the design.

Environmental guidelines specified in SS 165 and the requirements of the environmentalagencies as listed in these SP x.xxshall be strictly adhered to by the Contractor duringdesign, installation, maintenance and removal of the temporary detour bridge.

The detour shall meet the following minimum criteria: Bridge length

Bridge Width

Bridge surface type

Bridge clearances

Bridge railing type -

Design speed


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Approach road design criteria

Road surface type

Accommodation for pedestrian and bicycle traffic

The Contractor shall maintain the detour throughout the period of its use..

After traffic has been permanently routed onto the new bridge, the Contractor shallremove the detour bridge and restore the detour area to its natural condition to the

satisfaction of the Ministry Representative.

Payment for the detour will be made at the Lump Sum Price bid. Payment shall includethe design, construction, certification, maintenance, inspection and removal of the detourand all associated clean-up.

xx% of the Lump Sum when the detour is opened to traffic.

xx% of the Lump Sum paid prorated on a monthly basis based on the percentage

of the detour duration.

xx% of the Lump Sum when the Contractor has completed removal of the detour

to the satisfaction of the Ministry Representative.

2.9 Demolition of Existing Bridge

The existing bridge shall remain open to traffic until the new structure has beencompleted and traffic has been permanently routed onto it.

General

The Contractor shall provide all labour, materials and equipment for the demolition andremoval of the existing bridge.

Record drawings of the existing bridge are provided as part of the set of Drawings forthis Contract. These drawings are provided for reference purposes and are notguaranteed to be accurate. The Ministry provides no representation or warranty as totheir application to or sufficiency for any purpose including, but not limited to, mattersaffecting the demolition of the existing bridge. Additional record drawings, if available,of the existing bridge will be provided to the Contractor following Award of the Contract.

Submittals

The Contractor shall submit three (3) sets of complete plans and details of the proposeddemolition including any explosive demolition details if proposed, to the Ministry

Representative for review at least four (4) weeks prior to the commencement of anydemolition work.

Any demolition procedures incorporating the use of explosives shall be in accordancewith the blasting requirements of SS 204. Proof of insurance endorsement for blastingshall be required.


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The demolition procedure shall be prepared and sealed by a professional engineerregistered with APEGBC and shall clearly define procedures, equipment and theproposed schedule of work. Demolition work shall not start until the Ministry hascompleted the review process.

Demolition work near or above the railway will require the approval of the RailwayAuthority (specify). The Ministry Representative will forward a copy of the Contractorsdemolition procedure to the Railway Authority for its review and approval. All work must

be carried out in strict compliance with the requirements of the Railway Authority.

The Contractor shall demolish concrete decks and curbs by approved means. Areas ofthe concrete deck over the Railway right of way shall be saw cut and removed takingmeasures to avoid dropping rubble and reinforcing steel into railway right-of-way.Execution

The Contractor shall remove, haul and dispose the entire structure. Old piling shall beextracted.

The Contractor shall carry out demolition in accordance with CSA-S350-M80 (R2003),Code of Practice for Safety in Demolition of Structures, with these Special Provisionsand the requirements of Part 20 of the Workers Compensation Act, Occupational Healthand Safety Regulations, BC.

At the completion of each days Work, the Contractor shall leave all material andequipment at the Site in a secure, stable and safe condition.

The Contractor is advised that red lead primermay be present on the existing structure,and that the Contractor is responsible for ensuring that all Workers Compensation Act,Occupational Health and Safety Regulations BC and environmental regulations are

adhered to.

Disposal

All demolished materials shall become the property of the Contractor and shall beremoved from the Site. Disposal of all demolished materials shall be in accordance withSS 145.27.

Salvage of Materials

Restoration


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Upon completion of the Work, the Contractor shall remove all temporary works anddebris, and trim surfaces and slopes so as to leave the Site in a clean and stablecondition. Slopes shall be graded so that no slope is steeper than 1.5H:1V.

The Contractor shall reinstate all disturbed areas outside the area of removal of thestructures to conditions which existed prior to commencement of the Work, or asdirected by the Ministry Representative.

Payment

Payment for the demolition and removal of the existing bridge will be made at the LumpSum Price. Payment shall include the preparation and submission of demolitionprocedures, the supply of all labour, materials, equipment and services required for thecomplete demolition of the structure(s), off-site disposal of demolition debris, backfilling,trimming of slopes, site clean upand all other costs associated with the demolition.

2.10 Demolition of Concrete

The Contractor shall demolish the concrete as shown on the Drawings.

The Contractor shall demolish the concrete as follows:

Care shall be taken to avoid damage to the remaining concrete and reinforcing barswhich are to be incorporated into the final work. Adhering concrete shall be removedfrom the projecting reinforcing bars .

All demolished concrete and reinforcing steel shall be removed from the site anddisposed of in accordance with SS 145.27

No debris shall be permitted to fall into the River/Creek.

Payment for demolition of concrete will be made at the Lump Sum Price bid. Paymentshall include demolition, the disposal of demolished materials and clean up of the Site tothe satisfaction of the Ministry Representative.

The volume to be paid for will be taken within the surfaces shown on the Drawings or asordered by the Ministry, measured in original position.

2.11 Preparation of Existing Concrete Surfaces

Where new concrete is to be cast against existing concrete, surface preparationincluding roughening, shall be as shown on the Drawings and shall be carried out inaccordance with SS 211.12.03.

Payment for preparation of existing concrete surfaces will be made at the Unit Price persquare metre bid. Payment shall include the preparation process and the removal anddisposal of all debris. The area to be paid for will be measured within the lines shown onthe Drawings or as ordered by the Ministry Representative


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2.12 Foundation Excavation and Backfill

a) Excavation

All materials shall be removed as necessary for the construction of foundations orother works. Foundation excavations shall not be larger than is reasonably

necessary. Excavations and adjacent highways and other facilities shall be protectedas necessary by barricades, shoring, dykes and/or cofferdams.

Excavations shall be constructed in compliance with the applicable WorkersCompensation Act, Occupational Health and Safety Regulations, BC.

b) Description of Material Types

"Solid rock" shall include all material of sufficient hardness to require breaking up bycontinuous drilling and blasting before removal, and boulders 1.5 cubic metresvolume or more."Other materials" shall include all other solid materials which must be excavated.

No distinction shall be made between wet and dry excavation.

c)Preparation of Foundations

For excavations in material other than rock, care shall be taken to not disturb thebottom of the excavation. If the bottom of the excavation is disturbed, the Contractorshall remove and dispose of all disturbed material and shall replace it with materialmeeting the material, placement and compaction requirements of SS 201.40 "BridgeEnd Fill.

Where concrete is to be placed on rock, the rock surfaces shall be clean and free

from any loose material.

Where, in the opinion of the Ministry Representative, the bottom of an excavation isnot competent, the Ministry Representative may direct the Contractor to excavatedeeper. The Ministry Representative may direct replacement of the incompetentmaterial with material meeting the requirements SS 201.40 "Bridge End Fill" or with aconcrete fill or sub-footing.

Unless underwater concreting is approved by the Ministry, excavations for concretestructures shall be dewatered, if necessary, so that concrete is placed in the dry.

d) Backfilling

After the structures are sufficiently built, excavations shall be backfilled to the originalground contours, or as directed by the Ministry Representative.

Drainage course material shall be installed as shown on the Drawings. The gradationof drainage course material shall be as follows:


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SIEVE SIZE mm % PASSING BY MASS OF TOTAL SAMPLE

40 100

20 0 - 100

10 0

e) Measurement and Payment

Payment for foundation excavation will be made at the Unit Price per cubic metre bid.Payment shall include, excavation, shoring, barricades, backfilling to the originalground contours with suitable material, compaction of the material, compaction testsand quality control. No payment will be made for removal and replacement ofmaterial disturbed by the Contractor below the required depth of excavation.Payment shall cover the supply and placement of gravel drainage courses, filter cloth,drain pipes, and all joint waterproofing membranes at the abutments, if shown on theDrawings. Payment shall also cover restoration of roadway gravel and pavementdamaged by the Contractor's operations.

Where there is excess excavated material, payment shall cover loading, hauling anddisposal of such material.

Excavated material which the Ministry Representative deems unsuitable for backfillwill be replaced with bridge end fill.

In the case of excavation for footings, box culverts or manholes, no payment will bemade for material removed outside vertical planes 600 mm outside the edges of thestructures. Volumes shall be above the bottom of the excavations as shown on theDrawings or directed by the Ministry Representative.

In the case of excavation for pipes, no payment will be made for material removedbeyond a width of 600 mm plus the outside diameter of the pipe. No allowance shallbe made for excavation for catch basins.

In the case of excavation for bridge end fill, payment will be made for materialremoved to the neat lines as shown on the Drawings or as directed by the MinistryRepresentative and shall also cover loading, hauling and disposing of such material.

Progress payments will be made on the following basis:

Solid Rock Other Materials

Excavation 80% 60%

Backfilling or Disposal 20% 40%

2.13 Bridge End Fill

Bridge end fill shall be constructed as shown on the Drawings and in accordance withthe material, placement and compaction requirements of the SS 201.40 Bridge End FillThe Contractor shall perform all quality control, sampling and testing required to verifythat the completed bridge end fill meets the specified requirements. Sampling and


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testing shall include but may not necessarily be limited to; materials sampling, sieveanalyses, laboratory proctor density testing and insitu density testing.

Payment for bridge end fill will be made at the Unit Price per cubic metre bid. Paymentfor bridge end fill shall include quality control, supply, hauling, placing, watering ifrequired, and compaction of the material. Payment will cover all material andcompaction tests. The volume will be measured in place to the neat lines shown on theDrawings.


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2.14 Steel Piles

i) H Piles and Closed Ended Pipe Piles

a) Mobilization for Pile Installation

The Contractor shall provide equipment that is capable of installing the piles andwith adequate capacity to complete the pile driving analysis (PDA) in accordancewith this clause.

b) Supply

Material for H piles and end plates for pipe piles shall conform to CAN/CSA-G40.21-M, Grade 300W. Steel pipe for pipe piles shall conform to ASTMSpecification A252, Grade (2 or 3). Previously used or coated H piling or pipewill not be accepted. Pipes fabricated with seams shall be fabricated with fullpenetration butt welds. Mill certificates and nondestructive testing records

confirming seam weld quality, shall be submitted to the Ministry Representative.Manufacturers identification marks on the pile shall be readily identifiable on Siteand shall match the heat numbers on the mill certificates provided. Sections ofpiling shorter than 3 m, shall not be used except to finish a pile to final cut offelevation.

c) Splicing and Pile Tip Modification

Piling shall be spliced if necessary in accordance with the details shown on theDrawings. Piling shall be aligned so that the finished piles are straight from endto end.

Pile tips and/or end plates shall be installed as shown on the Drawings.

All welding shall conform in quality and workmanship to the latest CSA W59.The weld area shall be dry and wind free during welding and shall cool withoutchilling following welding.

Welding shall be undertaken by a company approved by the Canadian WeldingBureau (CWB) to the requirements of CSA W47.1, Division 3 or better.

Prior to commencement of welding, the Contractor shall submit weldingprocedures and data sheets, approved by the CWB, for the type of weld beingperformed and copies of welding certificates for all welders confirming that the

individuals are currently certified by the CWB in the processes in which they areto be employed.

d) Installation


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Piles shall be installed in the locations shown on the Drawings.

Maximum horizontal tolerances from locations shown on the Drawings shall beas follows:

at ground line or water line 75 mm

at cut off for extended piles 25 mm

Maximum deviation from plumb or specified batter below water or ground lineshall be 20 mm per metre.

The Contractor shall maintain pile driving records (Ministry form H0053) asdirected by the Ministry Representative.

Pile installation equipment shall be capable of installing the pile to the anticipatedpile tip elevations and to a factored capacity of three times the maximumunfactored design load. A vibratory hammer or jetting shall not be used.

Piles shall be installed to such depths as ordered by the Ministry. The tip

elevations shown on the Drawings are preliminary estimates of the depthsrequired. The Ministry will establish the final tip elevations based on designloads and minimum penetrations for fixity, safety against scour and resistance toinstallation. The anticipated pile tip elevations, maximum pile tip elevations andunfactored design loads are noted on the Drawings.

Where obstruction(s) make it impossible to install piles in the locations shown onthe Drawings, the Ministry may direct the Contractor to install additional pile(s).The Contractor will be paid for such pile(s) in accordance with the Unit Prices inthe Schedule of Approximate Quantities and Unit Prices. Alternatively, theMinistry may direct the Contractor to remove the obstruction(s). In this case theContractor will be paid for this work on a Force Account Basis, in accordance

with the Construction Agreement.

Piles shall be installed without causing damage to the pile. The top of piles shallbe protected by a suitable driving cap to prevent damage to the piles. Any pileso damaged as to be unfit for the use for which it is intended, or any pile thatcannot be brought within tolerance for location will be rejected. A rejected pileshall be extracted and replaced by a new pile. Costs associated with rejectedpiles shall be for the Contractor's account. Sufficient lengths of pile above cut-offshall be allowed so that no part of the head of the pile damaged duringinstallation remains in the work.

Piles shall be cut off and filled with as shown on the Drawings. Concrete shall

be placed in the dry or by an acceptable tremie method in accordance with SS211.20.

All steel pipe piles shall be temporarily capped after installation for safetyreasons.


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e) Pile Testing

At the Ministry Representatives option the Ministry's pile driving analyzer may beused to evaluate hammer efficiency and pile axial capacity for final acceptance.

For the purpose of pile driving analysis, capacity of the pile shall not be less thantwice the maximum unfactored design load for the pile as shown on the Drawingsand mobilization of the pile is defined as either a penetration of 3 mm or more per

blow or a resistance of greater than twice the maximum unfactored design load.

The Contractor shall cooperate to expedite this operation and accept the cost ofeach pile test up to one hour to a total of (X) hours for the project. The actualtime spent by the piling crew and associated equipment beyond (X) hours shallbe paid for as Extra Work. Crew and equipment costs associated with theremobilization of pile installation equipment for the purpose of pile testing or forrepeated pile analysis on the same pile will be borne by the Contractor. Costs tothe Ministry for pile analyses resulting from delays due to the Contractorsoperation or repeated pile analysis performed on the same pile will be backcharged to the Contractor. Such costs will be recovered by the Ministry viadeductions to payments on the progress estimate.

The Ministry may require the Contractor to re-drive one or more piles in eachgroup after a waiting period, in order to assess any increase in capacity.

The top of piles shall be protected by a suitable driving cap to prevent damage tothe piles.

f) PaymentPayment for supply and installation of piles will be made under the followingitems:

i. Mobilization and Fixed Costs for Pile Installation

Payment for mobilization and fixed costs for pile installation will be made atthe Lump Sum Price bid.

Payment of 37% of the Lump Sum will be authorized when work on piling hascommenced. Payment of 50% of the Lump Sum will be made as a series ofmonthly payments, calculated on the basis of the expected pile installationschedule. If the work falls behind or gets ahead of schedule, these payments willbe adjusted accordingly. Payment of the remaining 12% will be authorizedwhen all piling is installed and the associated cleanup is completed.

ii. Supply

Payment for supply of piling will be made at the Unit Price(s) per metre bid forthe length of accepted piling in the completed structure.

iii. Restocking Allowance


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If the length of any type of piling is less than anticipated, the Ministry will paythe Contractor a restocking allowance. The rate of this allowance will be 20%of the Supply price. The quantity will be the difference between the lengthpaid for under the Supply Item and the length indicated by the anticipated tipand cut-off elevations shown on the Drawings, less a minimum 300 mmallowance for fresh heading at each splice location and at each pile cut-off orany quantity of waste pile in excess thereof. This allowance will be deemed tocover return freight costs, if any, and all other costs of restocking piles. Only

piling actually delivered to Site will be considered.

iv Delivery of Additional Piling

If the length of piling is more than anticipated, the Ministry will paydocumented costs of delivery of less than full loads of additional piling, withoutmarkup.

v Installation

Payment for installation of piling will be made at the Unit Price(s) per pile bidfor each pile installed up to 20% of pile length (from cut-off to pile tip elevation)

below the anticipated pile tip elevation. Payment shall also includesubmission of mill certificates, welding procedures, pile driving records (formH0053) and any other installation details as called for in sub-section (d).Payment for driving time beyond the 20% incremental depth will be paid for asExtra Work.

vi Extra Splices

If the lengths of piling are as shown on the Drawings, no separate paymentwill be made for splices.

If the Ministry orders variations in pile lengths, payment will be made for each

extra splice at the Unit Price bid.

Payment under the above Items shall be for mobilization, fixed costs, supply,delivery, splicing and installation of piling. Payment shall cover the supply andinstallation of end plates, driving shoes and/or form support plates, if any.Payment shall also cover partial filling with sand (if required), removal of concretesplatter and provision of a uniform appearance on exposed surfaces of steel pipepiles above ground level, temporary structures, cleanup and any other costs ofpiling.

ii) Open Ended Pipe Piles

a) Mobilization for Pile Installation

The Contractor shall provide equipment that is capable of installing the piles andwith adequate capacity to complete the pile driving analysis (PDA) in accordancewith this clause.


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b) Supply

Steel pipe for pipe piles shall conform to ASTM Specification A252, Grade (2 or3).Previously used or coated pipe will not be accepted. Pipes fabricated withseams shall be fabricated with full penetration butt welds. Mill certificates andnon-destructive testing records, confirming seam weld quality, shall be submittedto the Ministry Representative. Manufacturers identification marks on the pile

shall be readily identifiable on Site and shall match the heat numbers on the millcertificates provided. Sections of piling shorter than 3 m, shall not be used,except to finish a pile to final cut off elevation.

c) Splicing and Pile Tip Modification

Piling shall be spliced if necessary in accordance with the details shown on theDrawings. Piling shall be aligned so that the finished piles are straight from endto end.

Pile tips and/or end plates shall be installed as shown on the Drawings.

All welding shall conform in quality and workmanship to the latest CSA W59.The weld area shall be dry and wind free during welding and shall cool withoutchilling following welding.

Welding shall be undertaken by a company approved by the Canadian WeldingBureau (CWB) to the requirements of CSA W47.1, Division 3 or better.

Prior to commencement of welding, the Contractor shall submit weldingprocedures and data sheets, approved by the CWB, for the type of weld beingperformed and copies of welding certificates for all welders confirming that theindividuals are currently certified by the CWB in the processes in which they areto be employed.

d) Installation

Piles shall be installed in the locations shown on the Drawings.

Maximum horizontal tolerances from locations shown on the Drawings shall beas follows:

at ground line or water line 75 mm

at cut off for extended piles 25 mm

Maximum deviation from plumb or specified batter, below water or ground lineshall be 20 mm per metre.

The Contractor shall maintain pile driving records (Ministry form H0053) asdirected by the Ministry Representative.


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Pile installation equipment shall be capable of installing the pile to the anticipatedpile tip elevations and to a factored capacity of three times the maximumunfactored design load. Jetting shall not be used for pile installation.

Piles shall be installed to such depths as ordered by the Ministry. The tipelevations shown on the Drawings are preliminary estimates of the depthsrequired. The Ministry will establish the final tip elevations based on design loadsand minimum penetrations for fixity, safety against scour and resistance to

installation. The anticipated pile tip elevations, maximum pile tip elevations andunfactored design loads are noted on the Drawings.

Piles shall be installed open ended to the maximum tip elevation as shown on theDrawings using top driving techniques combined with churn drilling methods ifnecessary, vibratory techniques or down hole drilling type procedures, ifacceptable to the geotechnical engineer. However disturbance of the originalsoils is to be limited to a maximum of (X) mm beyond the diameter of the pile.

Water in the piling shall be maintained at a level at least equal to the surroundingwater table. Alternatively, sufficient slurry shall be retained within the piles tomaintain a zero head.

Once the pile has been advanced to the maximum tip elevationInternal driving shall be carried out as follows:

The pile shall be cleaned out to 1.5 pile diameters above tip (minimum) while

maintaining stability and equilibrium of the soil at the base of the pile. A layer ofcrushed rock (100% passing 75 mm sieve and 100% retained on 25 mm sieve) aminimum of 1.5 pile diameters deep shall be placed in the pile and this depthabove the tip shall be maintained during the driving.

The crushed rock shall be driven by means of a mandrel compatible with the pile

being driven and extending above water level. Placement of the crushed rock

layers and driving shall continue until no slippage in the plug is noted andresistance to driving produces the required pile axial capacity.

The pile shall be cleaned out to 1.5 pile diameters above tip (minimum) while

maintaining stability and equilibrium of the soil at the base of the pile. A concreteplug (X) pile diameters deep shall be installed at the bottom of the cleaned outpile. The depth of the concrete plug shall be maintained during the driving.

The concrete plug shall be driven by means of a mandrel compatible with the pile

being driven and extending above water level. . Location of the concrete plugrelative to the pipe pile shall be monitored during driving and any noted continued

slippage of the plug shall be cause for the plug to be re-established prior tocontinued driving. Driving shall continue until resistance to driving produces therequired pile axial capacity.

Piles shall be installed without causing damage to the pile. The top of piles shallbe protected by a suitable driving cap to prevent damage to the piles. Any pile


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so damaged as to be unfit for the use for which it is intended, or any pile thatcannot be brought within tolerance for location will be rejected. A rejected pileshall be extracted and replaced by a new pile. Costs associated with rejectedpiles shall be for the Contractor's account. Sufficient lengths of pile above cut-offshall be allowed so that no part of the head of the pile damaged duringinstallation remains in the work.

Piles shall be cut off and filled with as shown on the Drawings. Concrete shall

be placed in the dry or by an acceptable tremie method in accordance with SS211.20.

All steel pipe piles shall be temporarily capped after installation for safetyreasons.

e) Rock Socket Installation

The Contractor shall complete uncased rock sockets, a minimum length into thesolid bedrock, as shown on the Drawings. All rock sockets shall be reinforced asshown on the Drawings. The Ministry Representative may vary the rock socket

elevation at each location based on the records of the installation.

The method used to construct the rock socket shall produce a side wall in thebedrock that is free from loose rock, smearing of fine grained materials or othercontamination which may diminish the bond between the concrete and the wall ofthe bedrock. When the rock socket tip elevation has been reached, all loose anddeleterious material shall be removed from the interior of the rock socket and thesteel pipe pile. If muddy water is present, it shall be removed or replaced withclean water. Material adhering to the inside of the steel pipe pile and rock socketshall be removed.

The Contractor shall select its own method of installing the steel pipe piles,

sealing it into the bedrock and drilling the rock sockets. The methods shall bereviewed by the Ministry Representative prior to commencement of the work.

f)Pile Testing

At the Ministry Representatives option, the Ministry's pile driving analyzer maybe used to evaluate hammer efficiency and pile axial capacity for finalacceptance.

For the purpose of pile driving analysis, capacity of the pile shall not be less thantwice the maximum unfactored design load for the pile as shown on the Drawingsand mobilization of the pile is defined as either a penetration of 3 mm or more per

blow or a resistance of greater than twice the maximum unfactored design load.

The Contractor shall cooperate to expedite this operation and accept the cost ofeach pile test up to one hour to a total of (X) hours for the project. The actual timespent by the piling crew and associated equipment beyond (X) hours shall bepaid for as Extra Work. Crew and equipment costs associated with theremobilization of pile installation equipment for the purpose of pile testing or for


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repeated pile analysis on the same pile will be borne by the Contractor. Costs tothe Ministry for pile analyses resulting from delays due to the Contractorsoperation or repeated pile analysis performed on the same pile will be backcharged to the Contractor. Such costs will be recovered by the Ministry viadeductions to payments on the progress estimate.

The Ministry may require the Contractor to re-drive one or more piles in eachgroup after a waiting period, in order to assess any increase in capacity.

g) Payment

Payment for supply and installation of piles will be made under the followingitems:

i. Mobilization and Fixed Costs for Pile Installation

Payment for mobilization and fixed costs for pile installation will be made at theLump Sum Price bid.

Payment for mobilization of 37% of the Lump Sum will be authorized whenwork on piling has commenced. Payment of 50% of the Lump Sum will bemade as a series of monthly payments, calculated on the basis of the expectedpile installation schedule. If the work falls behind or gets ahead of schedule,these payments will be adjusted accordingly. Payment of the remaining 12%will be authorized when all piling is installed and the associated cleanupcompleted.

ii. Supply

Payment for supply of piling will be made at the Unit Price(s) per metre bid forthe length of accepted piling in the completed structure.

iii. Restocking Allowance

If the length of any type of piling is less than anticipated, the Ministry will paythe Contractor a restocking allowance. The rate of this allowance will be 20%of the Supply price. The quantity will be the difference between the lengthpaid for under the Supply Item and the length indicated by the anticipated tipand cut-off elevations shown on the Drawings, less a minimum 300 mmallowance for fresh heading at each splice location and at each pile cut-off orany quantity of waste pile in excess thereof. This allowance will be deemed tocover return freight costs, if any, and all other costs of restocking piles. Onlypiling actually delivered to Site will be considered.

iv. Delivery of Additional Piling

If the length of piling is more than anticipated, the Ministry will pay documentedcosts of delivery of less than full loads of additional piling, without markup.


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v. Installation

Payment for installation of piling will be made at the Unit Price(s) per pile bid foreach pile installed up to 20% of pile length (from cut-off to pile tip elevation)below the anticipated pile tip elevation. Payment shall include submission ofmill certificates, welding procedures, pile driving records (Form H0053) and anyother installation details as called for in sub-section (d). Payment for drivingtime beyond the 20% incremental depth will be paid for as Extra Work.

vi. Extra Splices

If the lengths of piling are as shown on the Drawings, no separate paymentwill be made for splices.

If the Ministry orders variations in pile lengths, payment will be made for eachextra splice at the Unit Price bid.

Payment under the above Items shall be for mobilization, fixed costs, supply,

delivery, splicing and installation of piling . Payment shall cover the supply andinstallation of driving shoes, intermediate closure plates and/or form supportplates, if any. Payment shall also cover cleanout or partial filling with sand (ifrequired), removal of concrete splatter and provision of a uniform appearance onexposed surfaces of steel pipe piles above ground level, temporary structures,cleanup and any other costs of piling.

2.15 Formwork and Falsework

Formwork and falsework shall be in accordance with SS 211.

Formwork for bridge deck slabs, girder diaphragms, parapets, medians, sidewalks,approach slabs and overlays will be considered as deck formwork. All other formworkrequired will be considered as substructure formwork.

Payment for formwork will be made in accordance with the SS 211.21. Payment shallalso include quality control, submissions and any falsework and bracings as required.No payment will be made under this Item for formwork required as part of another Item.

2.16 Reinforcing Steel

Reinforcing steel shall be supplied and installed in accordance with SS 412 unlessotherwise specified on the Drawings. Welding of reinforcing steel shall be permitted onlywhere shown on the Drawings or when acceptable to the Ministry Representative andshall be in accordance with CSA W186-M.

Reinforcing steel shall comply with CAN/CSA G30.18, 400W unless otherwise specifiedon the Drawings.


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Payment for reinforcing steel shall be in accordance with SS 412.91. Reinforcing steelfor bridge deck slabs, girder diaphragms, parapets, medians, sidewalks, approach slabsand overlays will be considered as deck reinforcing steel. All other reinforcing steelrequired will be considered as substructure reinforcing steel. No payment will be madeunder this Item for reinforcing steel required as part of another Item. .

2.17 Cast-in-Place Concrete

All concrete work shall be in accordance with SS 211, 413, 931 and 933, unlessotherwise modified by this clause.

The Contractor shall be responsible for the design and quality control for all concreteused on this project.

All concrete materials and admixtures for concrete shall conform to the requirements ofSS 211.04, unless otherwise specified in these Special Provisions.

The Contractor shall be responsible for and shall provide the Ministry Representative

with current certified results for all of the applicable tests as outlined in Table 211-D ofthe SS 211 Required Aggregate Testing for Normal Density Coarse and Fine Aggregate(Per Individual Product and Aggregate Source).

Concrete mixes shall meet the requirements given in the following table

Classification MinimumCompressiveStrength at

28 days(MPa)

NominalMaximum Size

of CoarseAggregate

(mm)

AirContent

(%)

Slump(mm)

MaximumW/Cm

Ratio byMass

Deck Concrete:Deck Slab, Approach Slab,Parapet and MedianBarrier

Standard(4) 35 28(1) 5 1 50 20 0.38

With Silica Fume35 28(1) 6 1

80 20(2)

0.38

With Class F or C1

Flyash(3,4)35 28(1) 6 1 50 20 0.38

SubstructureConcrete:

Piers, Abutments,Retaining Walls, Pipe Pileinfill, Working Floors

30 28 5 1 50 20 0.45

Keyways betweenBox Stringers

35 14 5 1 20 10 0.38

Concrete SlopePavement

30 20 5 1 30 20 0.45


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Deck Overlay Concrete:

High Density(4) 35 20(5) 5 1 30 20 0.38

Silica Fume Modified45 14(6) 6 1

60 20(2)

0.38

Notes:

(1) The maximum proportion of aggregate passing the 5 mm screen shall be 35% of the total mass of

aggregate.(2) Silica fume application rates shall be 8% maximum by mass of Portland Cement. Slump specification is

based on superplasticized concrete.

(3) Application rates shall not exceed 15% by mass of Portland Cement.

(4) Superplasticizer shall not be used

(5) The maximum proportion of aggregate passing the 5 mm screen shall be 38% of the total mass ofaggregate.

(6) The maximum proportion of aggregate passing the 5 mm screen shall be 42% of the total mass ofaggregate.

The gradation of the 28 mm nominal size aggregate shall conform to Table 211-B of theSS 211 unless noted otherwise in this clause.

Concrete Surface Finishes shall meet the requirements given in the following table:

Surfaces submerged or buried Class 1

Top and inner surfaces of curbs, parapets Class 3

Outer surfaces of curbs, parapets, outer edges of deck Class 2

Abutments and piers Class 2

Bearing seats Toweled finish

Top of deck (no membrane) Transverse Tining

Top of deck (with membrane) Smooth as per SS 419

Sidewalk Transverse Broom Finish

Underside of deck Class 1 (or better)

Slope Pavement

Parapet Concrete

Parapets shall not be extruded. Exposed corners shall be chamfered and surfacesfinished as noted in these Special Provisions or on the Drawings.

Payment


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Payment for concrete will be made in accordance with SS 211.21.02 at theapplicable Unit Price per cubic metre as listed in the Schedule of ApproximateQuantities and Unit Prices. No payment will be made under this Item for concretesupplied as part of another Item, such as precast concrete.

Payment for concrete will also include the preparation of all construction joints andcontrol joints irrespective of their location, and the supply and installation of joint

fillers, joint waterproofing membranes, and joint sealant as indicated on theDrawings.

For the purpose of establishing payment quantities, concrete used in bridge deckslabs, girder diaphragms, parapets, medians, sidewalks, approach slabs andoverlays will be considered as deck concrete. Concrete used in piers and abutmentsincluding retaining walls, working floors and pile infill shall be considered assubstructure concrete.

2.18 Slope Pavement

The Contractor shall construct slope pavement and edge walls as shown on the

Drawings.

The underlying soil surfaces shall be trimmed to suit and thoroughly compacted.

Concrete shall be placed in alternating strips. Sufficient hand spading and/or tampingshall be done to ensure a dense pavement free of voids and honeycombs.

The top surface shall be struck off immediately after the concrete is placed, and againwhen the concrete has set sufficiently to hold its shape.

Payment for slope pavement will be made at the Unit Price per square metre bid.

Payment shall include the supply and placement of all formwork, reinforcing steel andconcrete and include concrete finishing, curing and removal of formwork.

A Provisional Sum has been allocated in the Schedule of Approximate Quantities andUnit Prices for payment for grading and compaction of slopes to accept slope pavement.Payment will be made at a negotiated price or on a Force Account Basis. Payment on aForce Account Basis will be made in accordance with the General Conditions.

2.19 Supply and Manufacture of Prestressed ConcreteStringers

Supply, manufacture and quality control of prestressed concrete stringers shall be inaccordance with SS 415 - "Manufacture and Erection of Precast and Prestressed

Concrete Members".

Payment for supply, manufacture and quality control of prestressed concrete stringerswill be in accordance with SS 415.91

The Ministry may require an acceptable declaration from the Contractor transferringownership of materials to the Ministry.


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2.20 Shipping and Erection of Prestressed Concrete Stringers

Shipping and erection of prestressed concrete stringers shall be in accordance with SS415 - "Manufacture and Erection of Precast and Prestressed Concrete Members".

Payment for shipping and erection of prestressed concrete stringers will be inaccordance with SS 415.92.

2.21 Steel Bracing between Concrete I-Beams

Steel bracing between concrete I-beams shall be supplied, fabricated and installed asshown on the Drawings and in accordance with SS 422. All steel components shall begalvanized.

Payment for steel bracing between concrete I-beams will be made at the Lump SumPrice bid. Payment shall include quality control, shop drawings and the supply,fabrication, galvanizing and installation of the bracing system.

2.22 Supply and Fabrication of Precast Concrete Members

Precast concrete footings, pile caps, ballast walls, parapet barriers and deck panels shall be supplied and fabricated in accordance with SS 415 Manufacture and Erectionof Precast and Prestressed Concrete Members. All surfaces of precast concretecomponents shall be given a class 2 finish in accordance with SS 211.

Payment for supply and fabrication of precast concrete members will be at the applicableLump Sum Price(s) bid in accordance with SS 415.91.

2.23 Shipping and Erection of Precast Concrete Members

Precast Concrete footings, pile caps, ballast walls, parapet barriers and deck panelsshall be shipped and erected in accordance with SS 415 Manufacture and Erection ofPrecast and Prestressed Concrete Members, the Drawings and as modified by thisclause.All welding shall conform in quality and workmanship to the latest CSA W59. Minimumpreheat and interpass temperature shall be in accordance with CSA W59. The weldarea shall be dry and wind free during welding and shall cool without chilling followingwelding.

Welding shall be undertaken by a company approved by the CWB to the requirementsof CSA W47.1, Division 3 or better.

Prior to commencement of welding, the Contractor shall provide evidence that allwelding operators are currently qualified by CWB in the processes in which they are tobe employed.Payment for shipping and erection of precast concrete members will be made at theLump Sum Price(s) bid in accordance with SS 415.92


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2.24 Post-Tensioning

Post-tensioning shall be in accordance with SS 416 - Manufacture and Installation ofPost-Tensioned Concrete Members".

Payment for post-tensioning will be made at the Lump Sum Price bid. Payment shallinclude the supply and pumping of grout into the post-tensioning ducts, the patching ofthe anchorage recesses, supply and placing of elastomeric pads and strips and grout

between stringers, and supplying, placing and tensioning of strands. Payment shall alsoinclude quality control, splicing of precast segments and the supply of all material andlabour.

2.25 Supply and Fabrication of Structural Steelwork

Structural steelwork shall be supplied and fabricated in accordance with SS 421.

Payment for supply and fabrication of structural steelwork shall be in accordance withSS 421.91.

The Ministry may require an acceptable declaration from the Contractor transferring

ownership of materials to the Ministry.

2.26 Shipping and Erection of Structural Steelwork

Structural steelwork shall be shipped and erected in accordance with SS 421.

Payment for shipping and erection of structural steelwork shall be in accordance with SS421.91.

2.27 Painting of New Structural SteelworkStructural steelwork shall be prepared and painted in accordance with SS 421.Payment for painting of structural steelwork shall be made at the Lump Sum Price bid in

accordance with SS 421.91. Payment shall include quality control.2.28 Coating of Existing Structural Steelwork

The Contractor or the primary Subcontractor carrying out the coating work shall holdvalid SSPC QP1 certification.

The Contractor is advised that the existing coating contains red lead.

Preparation and coating of existing steelwork shall be in accordance with SS 216.

Payment for coating of the existing structural steelwork will be made at the Lump Sum

Price(s) bid. Payment shall include quality control, surface preparation and the supply,application and touch-up of coating as required.

2.29 Deck Joints


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Deck joints shall be fabricated and installed by the Contractor as shown on the Drawingsand in accordance with SS 422. Steel components shall be hot-dipped galvanized inaccordance with CAN/CSA G164, after fabrication.

The Contractor shall form a blockout for each deck joint as shown on the Drawings.Blockout concrete shall be bonded to the concrete previously cast by means of an epoxybonding agent conforming to ASTM C881M-02, Type II, Grade 2. The Class of bonding

agent shall be appropriate for the temperature at time of application. The bonding agentshall be applied in accordance with the manufacturer's recommendations.

Each joint seal shall be supplied in a single length, without splices. Before the joint sealis installed, the joint seal and armouring shall be thoroughly cleaned and all moistureremoved from the joint seal and armouring.

The seal shall be installed in accordance with the manufacturer's recommendations.

Compression seals shall be installed almost fully compressed and shall be 5 mm belowthe surface of the deck, unless shown otherwise on the Drawings.

Payment for deck joints will be made at the Unit Price(s) per metre bid. Payment shallinclude quality control, all necessary material, shop drawings, the supply, fabrication,galvanizing of steel components, as required, formwork for blockouts , epoxy bondingagent and installation of the steelwork, anchors and elastomeric seals.

The lengths of joints shall be measured in place along the centrelines of the uppersurfaces, following the steps of the curbs and the upturns into the parapets.

2.30 Bearing Assemblies

The Contractor shall supply and install bearing assemblies in accordance with Appendix Supply, Fabrication and installation of Bearing Assemblies and as shown on the

Drawings or approved alternates acceptable to the Ministry Representative.

Bearing assemblies shall include

Where installation tolerances are critical, the following requirement may be included:

Payment for bearing assemblies will be made at the Lump Sum Price(s) bid. Paymentshall include quality control, all necessary materials, submission of shop drawings, testresults and certificates of compliance, supply, fabrication, galvanizing and installation ofbearing assemblies.

2.31 Aluminum Railing

Aluminum posts and rails and galvanized steel anchor bolt assemblies shall be suppliedand installed as shown on the Drawings.

Shop drawings shall be submitted and reviewedin accordance with SS 422.


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Surfaces of aluminum to be in contact with concrete shall be given a heavy coat of analkali-resistant bituminous paint, applied without thinner or other inert separatorsacceptable to the Ministry Representative. The anchor bolt projections shall bethoroughly coated with a bitumastic material immediately prior to the installation of theposts to isolate the dissimilar metals. The surfaces of bolts and washers which will bearon the post bases shall be similarly coated. Soil and debris shall not be permitted to bein contact with aluminum.

Railing shall be adjusted to produce uniform height and smooth alignment. A non-shrinknon-staining grout shall be packed under the post bases as shown on the Drawings.

Payment for railing will be made at the Unit Price per metre bid. Payment shall includequality control, shop drawings and supply, fabrication, galvanizing and installation ofanchor bolts and railing, including the supply and placing of grout.

The length of railing shall be taken as the out-to-out length of metalwork.

2.32 Parapet Railings

Steel railing and steel components of the parapet railing system shall be supplied,fabricated and installed as shown on the Drawings and in accordance with SS 422. Allsteelwork shall be galvanized after fabrication.

Railing shall be adjusted to produce uniform height and smooth alignment.

Payment for railing will be made at the Unit Price(s) per metre bid. Payment shallinclude quality control, shop drawings and supply, fabrication, galvanizing andinstallation of anchor bolts and railing, including the supply and placing of grout andshims if required.

The length of railing shall be taken as the out-to-out length of metalwork.

2.33 Sidewalk Fence and/or Bicycle Fence

Standard Steel Sidewalk Fence and Standard Steel Bicycle Fence shall be supplied,fabricated and installed as shown on the Drawings and in accordance with SS 422. Allsteelwork shall be galvanized after fabrication.

Railing shall be adjusted to produce uniform height and smooth alignment.

Payment for steel fence will be made at the Unit Price(s) per metre bid. Payment shallinclude quality control, shop drawings and supply, fabrication, galvanizing and

installation of anchor bolts and fence, including the supply and placing of grout andshims if required.

The length of fence shall be taken as the out-to-out length of metalwork.

2.34 Deck Drains


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Deck drains and associated down piping systems shall be supplied, fabricated andinstalled as shown on the Drawings and in accordance with SS 422. All steelwork shallbe galvanized.

Payment for deck drains and associated down piping systems will be made at the LumpSum Price(s) bid. Payment shall include quality control, shop drawings, supply,fabrication, galvanizing and installation. Payment shall also include the supply and

installation of support brackets and all connecting hardware as shown on the Drawings.

2.35 Standard Bridge Parapet Transition

Standard bridge parapet transitions shall be fabricated in accordance with SS 941 andDrawing SP941-03.04.01 and installed at the locations shown on the Drawings

Payment for transition barriers will be made at the Unit Price bid and shall be consideredfull compensation for quality control, supply, shipping storage and installation.

2.36 Riprap Protection

The Contractor shall supply and place riprap in accordance with SS 205 and as shownon the Drawings. Measurement and Payment shall be in accordance with this clause.

Supply and installation of riprap shall be carried out in accordance with SS 165 and shallmeet the requirements of the environmental agencies as listed in these SpecialProvisions.

All material excavated in order to facilitate the placement of riprap shall be disposed ofby the Contractor in a manner satisfactory to the Ministry Representative. Anyexcavated material, if suitable for riprap protection may be used with the acceptance ofthe Ministry Representative.

If material from new bedrock cuts in excess of 1000 m3

is to be used as rip-rapprotection, the Ministry Representative may require the material be tested for acid rockdrainage (ARD) or metal leaching (ML) as per Technical Circular T-10/04.

Payment for riprap will be made at the Unit Price per cubic metre bid. Payment shallinclude quality control, ARD or ML testing if required, excavation and disposal of materialas required to accept the riprap, supply and placement of filter fabric and the supply,transportation and placing of riprap.

The volume of riprap will be measured in place within the neat lines shown on theDrawings or as ordered by the Ministry Representative.

2.37 Restrainer Bolt Assemblies

Restrainer bolt assemblies shall be supplied, fabricated and installed in accordance withSS 422. All steelwork shall be galvanized.


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Payment for restrainer bolt assemblies will be made at the Lump Sum Price bid.Payment shall include quality control, shop drawings and the supply, fabrication,galvanizing and installation of the restrainer bolt assemblies.

2.38 Drilling Dowel Holes, Supply and Placement of Grout

a) General

Dowel holes shall be drilled in the existing concrete at the locations and to theminimum depths indicated on the Drawings, for the installation of reinforcing steeldowels which project into new concrete. Existing concrete reinforcing steel shall notbe cut when drilling holes. It is the Contractors responsibility to determine thelocation of the existing reinforcing steel prior to drilling as required. In cases wherea specified dowel hole location interferes with existing embedded reinforcing steel,the hole locations may be displaced from those shown on the Drawings by up to 50mm in any direction, provided that specified minimum clear cover is maintained in allcases. Where such adjustments are required, the Contractor shall inform theMinistry Representative, who will determine the new dowel hole locations.

All dowelled and abandoned holes shall be filled with a non-shrink grout acceptableto the Ministry Representative. Grout shall be placed according to theManufacturers specifications.

Dowels shall be installed to the full specified embedment length and in a mannerthat ensures complete bonding within the hole. Manufactures specifications andrecommendations for application and installation shall be strictly adhered to.

After bonding, dowels shall be temporarily supported, as necessary, to prevent theirmovement during entire curing period as specified by the manufacturer. The dowelsshall remain undisturbed and no load shall be placed on the dowels until the curingis complete.

b) Acceptance Testing

The Contractor shall be responsible for carrying out all tests on the selected dowels.Testing shall be performed by an independent testing agency acceptable to theMinistry Representative. All required repairs and retesting shall be at theContractors expense.

The Ministry Representative will randomly select 10% of the installed dowels, foreach size of dowel used, for tensile (pull out) testing. Testing will be carried outintermittently as installation proceeds. The installation and testing program shall be

agreed to by the Contractor and the Ministry Representative prior to the start ofdowel installation.

Any dowel that fails the test must be re-installed and retested by the Contractor.


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If test results indicate that more than 5% of the selected dowels fail the tensile test,the Ministry Representative may require the Contractor to carry out tensile testing ofall dowels.

Tensile tests shall conform to ASTM E 488 Test Methods for Strength of Anchors inConcrete and Masonry Elements. The dowels shall be tensioned to 100% of thespecified minimum yield strength of the reinforcing steel dowels and must hold theload for five (5) minutes.

The Contractor shall be responsible for carrying out all tests on the selected dowels.Testing shall be performed by an independent testing agency acceptable to theMinistry Representative. All required repairs and retesting shall be at theContractors expense.

The Contractor shall carry out a minimum of three (3) tensile (pull-out) tests for eachsize of the drilled-in-dowels to verify the adequacy of the installation procedure. Thetests shall be conducted at the commencement of the installation to verify theinstallation procedure. If any one (1) test fails, the Contractor shall re-evaluate theinstallation procedure with the Ministry Representative and carry out a minimum of

three (3) additional tests. The testing procedure shall be repeated, if necessary,until all three dowels pass the pull-out test.

The tensile test shall conform to ASTM E488 Test Methods for Strength of Anchorsin Concrete and Masonry Elements. The dowels shall be tensioned to 100% of theminimum specified yield strength of the reinforcing steel dowels and must hold theload for five (5) minutes.

Any Dowel that fails shall be re-installed and re-tested.

c) Payment

Payment for drilling dowel holes and supply and placement of grout will be made atthe Unit Price(s) bid per metre of dowel hole. Payment shall include all qualitycontrol and testing of installed dowels. Payment shall be made for the number anddepth of holes as indicated on the Drawings, unless otherwise directed by theMinistry Representative.

Payment for supply and installation of reinforcing steel dowels will be paid under theItem for reinforcing steel. The quantity of reinforcing steel dowels will be as shownon the Drawings unless otherwise approved by the Ministry Representative.

No additional payment will be made for additional holes or dowels required either asa result of Contractor error or failed tests.

2.39 Concrete Overlay

The Contractor shall place a concrete overlay on newly constructed bridge decks asshown on the Drawings and in accordance with SS 413.


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Payment for preparation of sub deck will be made at the Lump Sum Price bid inaccordance with SS 413.32.07.

Payment for concrete overlay placement will be made at the Unit Price per cubic metrebid in accordance with SS 413.32.08.

Payment shall include quality control.

2.40 Concrete Overlay

The Contractor shall apply a concrete overlayon the existing bridge decks as shown onthe Drawings and in accordance with SS 413.

The depth of scarification shall be mm.

Payment for the removal of the existing concrete deck surface and asphalt roadwayapproaches, removal of concrete for partial depth and full depth concrete repair,replacement of severely corroded reinforcing steel, repair and/or replacement of deck

joints and filled joints, high pressure water blasting of the entire deck surface, parapetsand ballast walls and placement of concrete overlay shall be in accordance with SS 413and these Special Provisions.

Payment shall include quality control.

2.41 Silane Surface treatment

Silane surface treatment shall conform to SS 418.

The tops and both faces of parapets and the exposed outside edges of the deckslabshall be treated with a silane solution.

Payment for silane surface treatment will be made at the Unit Price per square meter bidin accordance with SS 418.08.

2.42 Linseed Oil Surface treatment

The entire top surface of the deck slab (inside to inside of parapet face)shall be treatedwith two coats of a boiled linseed oil solution. The surface treatment shall follow aconcrete curing and drying period of not less than 28 days.

The Contractor shall not apply the linseed oil solution within 24 hours following rain or ifthere is a probability of rain or snow within 24 hours of the beginning of application asforecast by the nearest official meteorological office. Application of linseed oil solutionshall proceed only when the concrete surface temperature is greater than 5C and thewind velocity does not affect the application process.

The surface to be treated shall be cleaned of all loose material and be dust free. Theapplication of the linseed oil surface treatment shall not proceed until the conditions ofthe cleaned concrete surfaces have been inspected and are acceptable to the MinistryRepresentative.


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Prior to application, all deck drains and deck joints shall be sealed. The Contractor shalltake all other necessary measures to ensure that any surplus solution does not enter the

The first coat of linseed oil treatment shall consist of 40% boiled linseed oil and 60%mineral spirits and be applied at a rate of 7 m2/L. The second coat shall consist of 100%boiled linseed oil and be applied at a rate of 12 m 2/L. The second coat shall not beapplied until the first coat has been absorbed and the concrete has a dry appearance.

The deck shall not be opened to traffic until the second coat of linseed oil has beenabsorbed and the deck has a dry appearance. Any areas where the oil has not beencompletely absorbed shall be blotted with sand. All sand shall be removed once theexcess linseed oil has been absorbed.

Payment for linseed oil surface treatment will be made at the Unit Price per squaremetre bid, and will be considered full compensation for all work done and all materialsand equipment associated with this Item, including but not limited to, surfacepreparation, application, traffic control, environmental protection and final cleanup.

The payment will be calculated using the neat lines for the treated surfaces as shown on

the Drawings.

2.43 Waterproofing Membrane and Asphalt Pavement Overlay

The Contractor shall supply and install a Ministry approved waterproofing membraneand asphalt pavement overlay as shown on the Drawings.

The waterproofing membrane shall be supplied and installed in accordance with themanufacturers specifications and SS419. Further to SS 419.13, only membranes listedin the Proven category on the Ministry Recognized Products List will be accepted foruse on this project.

Asphalt pavement shall be supplied and placed in accordance with SS 419. Contrary toSS 501, the Contractor shall be responsible for performing the asphalt pavement mixdesign. The Contractor shall carry out all quality control to verify that the asphaltpavement meets the specifications. The asphalt pavement mix design and supportingdocumentation shall be submitted to the Ministry Representative for review andacceptance 14 days prior to commencing the paving work.

The temperature of the asphalt at the time of installation shall be in accordance with themanufacturers specifications for the membrane system being used.

Drum vibration must not be used during compaction of the asphalt on the bridge deck.

Payment for the waterproofing membrane will be made at the Unit Price per squaremetre bid. Measurement for payment shall be based on the plan area of the surfacecovered with waterproofing membrane. Payment shall include quality control, thepreparation of the concrete deck, and the supply and placement of primer, caulking,waterproofing membrane and weep holes.


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Payment for asphalt pavement overlay will be made at the Unit Price per tonne bid.Payment shall include pavement mix design, supply of asphalt cement and asphalt mixaggregates, quality control, feeding, blending, mixing, loading, weighing, hauling,dumping, spreading, compacting and finishing of the asphalt pavement overlay andquality control.

2.44 Approach Roadways

The Contractor shall supply, haul, water and compact suitable road gravels to build upthe roadway to provide smooth vertical alignment and to provide sufficient roadway widthfor the placement of roadside barriers as shown on the Drawings or as directed by theMinistry Representative.

Where the new grade is less than 100 mm higher than the old grade, asphalt pavementshall be placed over the old pavement. Edges shall be feathered.

Where the new grade is more than 100 mm higher than the old grade, or where it islower, the old pavement shall be removed. The roadway shall be built up with selectgranular sub-base, 200 mm of well-graded base course and asphalt pavement.

The Contractor shall supply and place an emulsified primer/tack coat meeting therequirements of SS 952.

All surfaces to be paved shall be primed or tack coated at the rate of approximately 1.5to 2.0 L/m2 to base course and 0.15 L/m2 to old pavement. Pavement shall be Class 1Medium Mix, placed in accordance with SS 501 in maximum 50 mm lifts.

Contrary to SS 501, the Contractor shall be responsible for performing the asphaltpavement mix design. The Contractor shall carry out all quality control to verify that theasphalt pavement meets the specifications. The asphalt pavement mix design andsupporting documentation shall be submitted to the Ministry Representative for review

and acceptance 14 days prior to commencing the paving work.

Payment for approach roadways will be made at the Lump Sum Price bid for all workdone and materials supplied.

2.45 Catch Basins

The Contractor shall supply and install cast iron catch basins, 200 mm galvanizedcorrugated steel outlet pipes, anchors, splash pads and other hardware required forinstallation as per SS 504 and Drawing SP 504-03 at the locations shown on theDrawings or as directed by the Ministry Representative.

Payment for each catch basin will be made at the Unit Price bid, for supply andinstallation of the catch basin, outlet pipes, anchors, splash pads if required and all otheraccessories required for installation.


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2.46 Roadside Barriers

The Contractor shall supply and install roadside barriers at locations shown on theDrawings and in accordance with SS 941.

To prevent water flowing underneath the concrete barrier, a sealer shall be placed underthe barrier in areas where drainage is toward the barrier and elsewhere as directed by

the Ministry Representative. The sealer shall consist of a 25 mm diameter EthafoamRod, or such other type of material acceptable to the Ministry Representative. TheMinistry Representative may adjust the limits of placement of the sealer. The supply andinstallation of the sealer under the concrete barrier shall be considered incidental to theinstallation of precast concrete barrier an

Bridge Spec Prov

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