WBPWRD/EE/BHDI/eNIT29/2526/11

Hire and labour charges for staging with sal bullah for super structure of bridge (Major and Minor) including stripping off and removing clearing on completion of work as per design and drawing approved by the Engineer-in-charge.

Removal of defective concrete, cleaning the surface thoroughly, applying the shotcrete mixture mechanically with compressed air under pressure, comprising of cement, sand, coarse aggregates, water and quick setting compound in the proportion as per clause 2807.1., sand and coarse aggregates conforming to IS: 383 and table 1 of IS:9012 respectively, water cement ratio ranging from 0.35 to 0.50, density of gunite not less than 2000 kg/cum, strength not less than 25 MPa and workmanship conforming to clause 2807.6. (40 mm average thickness.)

Cleaning the exposed corroded Reinforcement as well as worn out concrete by sand blasting with air compressor including all materials, hire charges of machineries and labour etc. all complete as per technical specification and direction of the Engineer-in-Charge.

Removing corroded worn out portion of reinforcement (when theare a of bar isdamaged by more than 25%)by cutting and replacing the same by a new plain round bar of requisited diameter by binding with required lap/welding with old bar, including cost of reinforcement, complete in all respect including removing unserviceable materials from site as per direction of the Engineer-in-charge. Note : Payment on weight (Kg.) of new reinforcement.

Providing anti-corrosive protective coating to inhibit the corrosion to HYSD reinforcements including two coats of anti-corrosive coatings of consumption as per manufacturer's specification, cleaning etc. complete as per the direction of the Engineer-in Charge.

Supplying, fitting and placing HYSD bar reinforcement in Bridge Super-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications.

Welding by gas / electric plant including transportation of welding plant at site including cutting, forging & drilling to required shape.

Epoxy bonding of new concrete to old concrete

Guniting concrete surface with cement mortar (25 mm nominal thick) applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification.

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy.

Sealing of crack / porous concrete with Epoxy Grout by injection through nipples complete as per clause 2803.1.

Drainage Spouts in Superstructure including providing drip mouldings and also including supplying, fitting and fixing approved type of materials complete as per drawing and Technical specification vide clause no. 2705 of MoRT&H’s Specification for Road & Bridge Works.

Patching of damaged concrete surface with polymer concrete (25 mm nominal thick) and curing compounds, initiator and promoter, available in present formulations, to be applied as per instructions of manufacturer and as approved by the Engineer.

Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specifications Clause 202 for Rural Roads of MORD. By Mechanical Means Reinforced Cement Concrete

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 rnm. true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 rnrn. leaving adequate space between vertical post for expansion, complete as per MoRT&H standard drawing no SD/202 and technical specifications.

Dismantling artificial stoneflooringupto50mm. thickbycarefullychisellingwithoutdamagingthe baseand removingrubbishasdirectedwithina lead of 75 m. a) In ground floor including roof.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4)withstonechips, laid inpanelsasdirected with topping made with ordinary or white cement (as necessary) andmarble dust in proportion (1:2) including smooth finishingand roundingoff corners including raking out jointsorrougheningofconcretesurfaceand application of cement slurrybefore [email protected] kg/sq.m all complete including all materials and labour. In ground floor. 3mm. thick topping(High polishing grinding on this itemis not permitted with ordinary cement). Using grey cement 35 mm. thick

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsionpaint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. In Ground Floor: (a) Two Coat

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as permanufacturer's specification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required.The rate includes cost ofmaterial, labour, scaffoldingandall incidental charges but excluding the cost of primer. Premium 100% Acrylic Emulsion

SUB TOTAL

GST @ 18% over Sl. No. 1 to 19

Labour Welfare Cess @ 1% over Sl. No. 1 to 21

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