Construction of 6 numbers of Under Ground Sump at various locations in Koyambedu Wholesale Market Complex at Koyambedu Chennai

Amount

Dismantling removing Reinforced Cement Concrete work and etc.,by mechanical means including stacking of steel bars and disposal of unserviceable material within 50m lead as per direction of Engineer in charge

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary. Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc. complete complying with standard specification.

0 to 2m depth.

2.0 to 3.0 depth

Carting away surplus excavated earth available with in the campus is to be carted to a lead of within 3 KM from site. The rate shall include loading into the tipper/ lorry, transporting and unloading, leveling and the earth scooped by bulldozers grading etc.,complete with all respects complying with relevant standard specification, as directed by the Departmental Officers.

Supplying and Filling with M - sand in foundation and others sub structures for 100mm thick and well watered, rammed and consolidated by power compacter. The rate includes the cost of M sand, compacting with mechanical compactors labour charges for leveling, loading & Unloading and Transportation charges etc., complete and as per the standard specification.

Providing and laying plain cement concrete 1 : 4 : 8 ratio of (1 of cement , 4 of M. sand and 8 graded stone aggregate 40mm nominal size) in foundation and basement including dewatering wherever necessary and laid in layers not more than 15 cm thick and consolidation etc. The rate includes the cost of materials, labour charges, lifting charges, loading & Unloading and Transportation etc., complete and as per the standard specification.

Supplying and erecting centering for sides and soffits including supports and strutting up to 3.30 m height with all cross bracing for plane surfaces as detailed below, using mild steel sheets of 90 X 60 cm 10 gauge stiffened with MS angle of 25 X 25 X 3mm for boarding, laid over adjustable span & jacks and supported by 50mm dia pipes for general pipes scaffolding systems @ a spacing of 1.20m c/c and vertical connected at a height of 2.0m c/c including 'C' & 'U' clamps and base receiver cup at bottom for connecting pipes etc and removable systems etc., the rate including cost of all materials, labour charges, wastages, placing, transportation, lead & lifts, tools & plants, fuels, fixing in position at all levels, heights, masking tape in sheet joints, consumables, etc. as complete with all respects complying with relevant standard specification, as directed by the Engineer-in-charge.

For Plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

For column footing plinth beam bed blocks templates staircase, steps piers, raft beam, raft slab etc.

For plane surfaces such as vertical slab, side slabs of boxing, vertical drops, facia, vertical walls etc.

Providing and Laying M 30 Design Mix for all reinforced cement concrete with minimum cement content conform to IS 456-2000 using ordinary Portland cement of grade 53 from approved manufacturer, manufactured sand, 20 mm and down graded size coarse aggregates, necessary approved admixtures as per requirement. works for Footings, Grade beam, drain wall & raft , Plinth beams, Column, Grade slab, Roof slab & beam, Column drops, Pergola, Staircase waist and landing slab lintel, Sunshades, parapet Cum drops, Steps, canopy, window boxing slab, Loft, fins facia Planter box, machine foundation, elevation features and other similar structures etc..excluding necessary centering, shuttering and reinforcement which shall be measured and paid separately under relevant items.

Supplying, fabricating and fixing in position of steel Fe 550 grade Reinforcement for all RCC work with Thermo Mechanically Treated Bars (TMT) conforming to IS 1786 of latest version according to drawings and binding the reinforcement with 18 gauge double fold GI binding wire and providing Concrete cover blocks to maintain the cover as required. The rate including cost of all materials, bending, tying grills, placing, transportation, lead & lifts, tools & plants, fuels, all materials, labour charges, wastages , laying at all levels, fixing in position, cost of cover blocks and GI binding wires etc. as complete with all respects complying with relevant standard specification, as directed by the Engineer-in-charge.

Supply and laying water proofing treatment for bottom and sides of RCC pond covering the following order and consisting of following operations. i)Supply and Fixing 75 mm long 18 mm dia GI nozzles in the hole of about half the depth of member size in grid pattern at a spacing not more than 1.0 meter c/c while casting the bottom slab and along construction joints at a spacing not more than 1.0 meter c/c along the construction joints. ii) Supply and Applying injection grouting through the nozzles grouting pumps with a minimum pressure of 2 kg/sqcm with cement slurry admixed with CICO Non shrink Polymeric Water Proof Grouting Compound or approved equivalent at the rate of 2% by weight of cement. iii) Sealing off the nozzles and level the surface using integral Waterproofing compound CICO NO.3 or approved equivalent in the ratio 1:1by weight. iv)The concrete slab shall be thoroughly cleaned to remove debris and dust, and application of two coats not less than 2 mm thick of TAPECRETE - RTU Polymer Based Elastomeric Waterproof Coating over well prepared surface

Plastering 15 mm thick for external surfaces with Cement Mortar 1:4 (1 of cement : 4 of P sand) with water proofing compound of “CICO No.1 or equivalent“ as per Manufacturer's Specification with sponge finish (washed sand finish) all complete as per specification and as directed. The rate including cost of all materials, labour charges, wastages, necessary lead and lifts, working at all levels, transportaion charges, loading, unloading, preparation of surface, ncessary haccking in RCC surface, scaffolding, stagging, providing drip bands, moulds, grooves to any size and shape as shown in drawings tools and plants, fuel, curing, cleaning, consumables etc as complete with all respects complying with relevant standard specification and as directed by the Engineer-in-charge.

Supplying and fixing of FRC manhole cover size of 600 x 600mm. The rate including cost of all materials, labour charges, loading & unloading and transportation, etc., completed as directed by the Departmental Officers..

C.V.T ENTERPRISES (BID ID -1155872)