Providing Water Distribution System to Temporary residential and non-residential buildings of Kiru HEP near Dam Site

Amount

Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge: All Kinds of soil/Rocks

Reinforced cement concrete work in walls (any thickness) including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts upto floor five level including curing but excluding cost of centering shuttering, finishing and reinforcement.

1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)

Cement concrete flooring 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry and curing complete, but excluding the cost of nosing of steps etc. complete

50 mm thick with 20mm nominal size stone aggregate.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with:

1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)

1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form work for:

Foundations, footings, bases for columns

12mm Cement plaster finished with a floating coat of neat cement of mix:

1 : 3 ( 1 cement : 3 fine sand)

12mm Cement plaster of mix:

1 : 4 ( 1 cement : 4 fine sand)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and mixing integral crystalline admixture for water proofing treatment to RCC structures like basement raft, retaining walls, reservoir, sewage & water treatment plant, tunnels / subway and bridge deck etc. at the time of transporting of concrete into the drum of the ready-mix truck, using integral crystalline admixture @ 0.80% (minimum) to the weight of cement content per cubic meter of concrete) or higher as recommended by the manufacturer’s specification in reinforced cement concrete at site of work. The material shall meet the requirements as specified in ACI-212-3R- 2010 i.e. by reducing permeability of concrete by more than 90%, compared with control concrete as per DIN 1048 and resistant to 16bar hydrostatic pressure. The crystalline admixture shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the Engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage.

Finishing walls with water proofing cement paint of required shade on New work (two or more coats applied @ 3.84 kg/10sqm)

Centering and shuttering including strutting, propping etc. and removal of form for:

Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

Extra for shuttering in circular work (20% of respective centering and shuttering items)

Structural steel work in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Welded

Providing corrugated G. S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (upto any pitch in horizontal/vertical or curved surface)excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

0.63 mm thick with zinc coating not less than 275 gram/m2

Providing ridges or hips of width 60cm overall width plain G.S. sheets fixed with polymer coated J. or L hooks, bolts and nuts 8mm dia G.I. limpet and bitumen washers complete

0.63 mm thick with zinc coating not less than 275 gram/m2

Painting on G.S sheets with synthetic enamel paint of approved band and manufacture of required colour to give an even shade on New work (two or more coats) including a coat of approved steel primer but excluding a coat of mordant solution

Providing and fixing G.I. pipes complete with G.I. fittings excluding trenching and refilling etc. (external work)

20 mm dia. nominal bore

25 mm dia. nominal bore

40 mm dia. nominal bore

50 mm dia. nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (new work)

20 mm nominal bore

25 mm nominal bore

40 mm nominal bore

50 mm nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing Tee, including cutting and threading the pipe etc. complete

50 to 80 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end)

25 mm nominal bore

40 mm nominal bore

50 mm nominal bore

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete

25 mm nominal bore

MUSHTAQ AHMED RATHER

mohinder kumar