Capacity enhancement of existing underground water sump at CSIR-CMERI Colony Campus, Durgapur-9

Amount

Demolishing brickwork manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material to the dumping ground at MSW zero waste plant of CMERI colony or as per instruction of EIC.

Demolishing cement concrete 1:3:6 or richer mix (i/c equivalent design mix) manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Demolishing RCC work manually/ by mechanical means including stacking of steel bars and including disposal of rubbish to the dumping ground at MSW zero waste plant of CMERI colony or as per instruction of EIC.

15mm cement plaster on rough side of single or half brick wall of mix 1:6 (1cement: 6 coarse sand).

6mm thick plaster on cement concrete or reinforced cement concrete work with white cement based polymer modified self curing mortar of approved make as per the direction of Engineer-in- Charge.

Providing and laying in position ready mixed cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/ Ordinary Portland / Portland Slag cement, admixture in recommended proportion as per IS: 9103 to accelerate/ retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the Engineer-in-Charge; for the following grade of concrete. All works upto plinth level for any depth: Concrete of M15 grade with minimum cement content of 240 kg/cum.

Providing and laying in position ready mixed reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/ Ordinary Portland / Portland Slag cement, admixture in recommended proportions as per IS: 9103 to accelerate/ retard setting of concrete, to improve durability and workability without impairing strength, including pumping concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing, and reinforcement as per direction of the Engineer-in-Charge, for the following grades of concrete. All works upto plinth level from any depth for concrete of M30 grade with minimum cement content of 350 kg/ cum.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level of Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form work for : foundation, footing, bases of columns, etc. for mass concrete.

Centering and shuttering including strutting, propping etc. and removal of form work for : suspended floors, roofs, landing, balconies and access platform.

Centering and shuttering including strutting, propping etc. and removal of form work for :lintels, beams, plinth beams, girders, bressumers and cantilevers.

Centering and shuttering including strutting, propping etc. and removal of form work for: walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required in stringers, treads, landings, etc. of stair cases, including use of chequered plate wherever required, all complete.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade: for new work (two or more coats applied @ 1.43 lit/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm).

Brick work with common burnt clay FPS bricks(non modular) of class designation 75 upto plinth level in 1:6 grade (1 cement: 6 coarse sand).

Painting with synthetic enamel paint of approved brand and manufacture of required colour to to give an even shade : Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacturer.

Earth work in excavation upto a depth of 3.5m by mechanical means (Hydraulic excavator)/manual means at back side of MS-IV building, as directed by Engineer-in-charge for all kinds of soil or moorum or mixed rock or mixed roots. For any electric cable damaged during earth cutting, the concerened contractor must repair or replace the cable immediately with all fixtures. Other wise new cable cost and repair cost will be deducted from the bill amount.

Transport of the entire excavated soil of the underground reservoir/tank from the old colony to the new colony pond (the distance around 2 km) corner side by engaging dumpers, excavators, and tractors. The transported soil needs to be leveled beside the new colony ground in the jungle area. After finishing the work all roads must be cleaned by water jet. The rate must include loading, unloading, transportation, cleaning roads, etc.

Under the bituminous road and building boring at a depth of 1m or more for 100mm NB pipe fixing. The road width is around 6m-9m. The payment will made as per actual boring length complete work under the road excluding the cost of GI pipes.

Providing and fixing 100mm diameter nominal bore medium duty (Class-B) G.I. pipes (TATA/JINDAL make), minimum weight 12.1 kg/m complete with G.I. fittings as Tee, Elbow, Short piece, etc. thread cutting, fixing as required. The pipe is to be laid by earth cutting (trenching) atleast 1m depth from G.L. and refilling, compacting, etc. to make the level land. For any electric cable damaged during earth cutting, the concerened contractor must repair or replace the cable immediately with all fixtures. Other wise new cable cost and repair cost will be deducted from the bill amount.

Providing and fixing of openwell submersible 15HP horizontal pump (Kirloskar/ Crompton) with starter (havells/Crompton), three phase, three core waterproof 6 sqmm cable (minimum length required 60m for each pump), head of pump-36m, discharge-15LPS, and 415 Volt.

Providing and fixing heavy-duty gun metal gate valve with C.I. wheel of approved quality (IS Marked) : 100 mm nominal bore in GI pipes by cutting or threading new and old pipes to complete the work as specified by Engineer-in-Charge.

Providing and fixing 100mm dia nominal bore G.I. Union in existing G.I. pipe line, cutting and threading the pipe and making long screws, including excavation, refilling the earth or cutting of wall and making good the same complete wherever required.