Repair and replacement of damaged GI line and deep Manhole Chambers for Staff Qtr in CTO Compound Cantt Varanasi

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge.

a) All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

a) 1:4:8 (1 Cement : 4 coarse sand(zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

a) 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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

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

b) Suspended floors, roofs, landings, balconies and access platform

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

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

Structural steel work riveted, bolted or welded 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.

12 mm cement plaster of mix :

a) 1:6 (1 cement: 6 fine sand)

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.

a) 12 mm cement plaster

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge : External work

a) 25 mm nominal outer dia. Pipes.

b) 40 mm nominal outer dia. Pipes.

Providing and fixing cPVC Union in cPVC pipe complete (New work)

a) 25 mm nominal bore

Providing and fixing cPVC gate valve of approved quality :

a) 25 mm nominal bore

b) 40 mm nominal bore

P/F MTA/FTA for cPVC water pipe line--

a) 25 mm nominal bore

Providing 3 Nos water connections from cantonment Board to BSNL CTO Compound at backside of CTO Tar Ghar Building including all necessary fixtures all complete as per direction of E-in-C

AJAY KUMAR SINGH