CONSTRUCTION OF SMALL BRIDGE TO ANNA NAGAR

Amount

Earthwork excavation in soft disintegrated rock and medium rock not requiring blasting except hardrock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidential charges such as baling out water, sheeting, shoring bracing and their subsequent removal and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification. - For Dressing the Bed

Earthwork excavation in soft disintegrated rock and medium rock not requiring blasting except hardrock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidential charges such as baling our water, providing and maintaining necessary cofferdams, sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for FOUNDATION OF ABUTMENTS, PIERS AND WINGS.

Vibrated Cement Concrete of grade M10 Nominal Mix 1:3:6 using 40mm ISS size HBG metal including cost and conveyance of all materials to site including cost of cement at site including cost of formwork, soft water, labour charges for mixing, transporting, laying and curing concrete , working at depths , tools and plants and maintaining of protective bunds, cofferdams, shoring, strutting etc., complete as per relevant standard specifications, for LEVELLING COURSE BELOW FOOTINGS OF ABUTMENTS, WINGS AND PIERS.

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation - Vertical Surface

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at not more than 75cm centre to centre etc. complete complying with the standard specificaiton. - For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc. - Dirt Wall

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at not more than 75cm centre to centre etc. complete complying with the standard specificaiton. - For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc. - Deck Slab

Providing and laying in position Standardised Concrete Mix M-30 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards. -, for FOOTINGS OF ABUTMENT, PIERS, RETAINING WALLS AND WINGS WALLS BELOW SILL LEVEL-

Providing and laying in position Standardised Concrete Mix M-30 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards. - for SUBSTRUCTURE OF ABUTMENTS, WINGS, RETAINING WALLS, PIERS AND DECK SLAB

Providing and fixing seepage pipes of 100mm dia. PVC pipes of required lengths for abutments and wings including cost and conveyance of all materials to work site, cost and labour for 900mm dia. semi-spherical back fill arrangements with 100mm size broken granite chips at the periphery and labour charges for fixing, etc.,to drain of the backfill IN THE ABUTMENTS AND WINGS, -

Providing and fixing KRAFT PAPER for full width of seating of deck slab and including cost and conveyance to worksite, labour for fixing the same in correct position and all other incidental charges etc., complete.

Supply and fabrication of steel required for all RCC items of works involved in the schedule cost of steel at site fabrication,labour charges for cleaning the rods straightening, cutting, bending, tying grills, including overlapping to the required length whenever necessary and placing the reinforcement in position as specified in the drawings, including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc,complete, S-415 grade

Vibrated cement Concrete M30 design mix using ISS size HBG graded metal including cost and conveyance of all materials to worksite and cement at site including all labour charges for ixing concrete, laying, vibrating, hire charges for tools and plants, compacting, curing with all leads for soft water, including all other incidental charges,formwork,cost of premoulded expansion joints and fixing the same in position etc., complete for wearing cost of 75mm uniform thickness over deck slab and approach slab.

Providing and fixing PVC EXPANSION JOINT in between deck slabs over abutment and pier as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc, complete.

Providing Granular surface base to the required surface using murram,Granular soil of size varying from 4mm to 75mm including cost of material and cost of labour for stacking,spreading and consolidating layer by layer (Each layer not exceeding 100mm ) including hire charges of Roller etc,complete as per the direction of Departmental officers.

Providing and laying, spreading and compacting graded stone aggregate to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications.

Providing and laying Prime coat of 7 kgs/10 sqm over the WMM surface treated with primer using 7 kgs of bituminous Emulsion for 10 square meter area including cost of bituminous binder, including labour charges for applying the required quantity of bituminous binder as tack coat manually etc., complete.

Providing and laying tack coat of 2.5 kgs/10 sqm over the WMM surface treated with primer using 2.5 kgs of bituminous Emulsion for 10 square meter area including cost of bituminous binder, including labour charges for applying the required quantity of bituminous binder as tack coat manually etc., complete.

Providing and laying 50mm compacted thick dense bituminous macadam using 0.24 cum of 26.5-13.2 mm graded metal and 0.25 cum of 13.2-2.36 mm graded metal and 0.23 cum of 2.36 mm & below metal with 53.20 kgs of 60/70 bitumen for premixing per 10 sqm including cost and conveyance of all materials to C M P site, heating the bitumen and agregates to required temperature and mixing them in required temperature in central hot mix plant 20- 30 tonnes capacity conveying the mix by tipper trucks to paver site,spreading the mix in required temperature for uniform thickness of 50 mm with mechanical paver to the specified grades and cross sections and compaction by 80-100 KN power roller to the required density etc.,including labour charges for loading bitumen in to bitumen tank and metal to feeder unit,labour for attending to paver site etc., including hire charges and fuel charges for 20-30t C M P with bitumen boiler,tipper trucks,paver finisher, power rollers and all other tools and plants required,including all other incidental charges etc.,complete using C M P clause 505 of MORTH Rev-5 specifications.

Providing and laying Bituminous concrete to 30mm thick using 0.13 cum of 19.00-9.50 mm graded metal and 0.17 cum of 9.50-2.36 mm graded metal and 0.26 cum of 2.36 mm & below metal with 45.27 kgs of 60/70 bitumen & 5.03Kg of Plastic waste from garbage collected at free of cost (Total-50.30 kg) and for premixing per 10 sqm including cost and conveyance of all materials to C M P site, heating the bitumen and agregates to required temperature and mixing them in required temperature in central hot mix plant 20- 30 tonnes capacity conveying the mix by tipper trucks to paver site,spreading the mix in required temperature for uniform thickness of 40 mm with mechanical paver to the specified grades and cross sections and compaction by 80-100 KN power roller to the required density etc., including labour charges for loading bitumen in to bitumen tank and metal to feeder unit,labour for attending to paver site etc., including hire charges and fuel charges for 20-30t C M P with bitumen boiler,tipper trucks,paver finisher, power rollers and all other tools and plants required,including all other incidental charges etc.,complete using C M P clause 507 of MORTH Rev-5 specifications.

V.JANARTHANAN (BID ID -1086004)