Replacement of float valve in water tank and old rusted damaged GI pipe line fittings water supply line over the roof top of Type II C Block

Amount

Replacement of float valve in water tank and old/ rusted damaged G.I. pipe line fittings (water supply line) over the roof top of Type-II 'C' Block ; (C-3, C-4 & C-5, 45 quarters) at GC, CRPF, AVADI Chennai-65

Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineer in-Charge (a) Internal Work- Exposed on wall

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 :: 20 mm nominal dia Pipes

25 mm nominal dia Pipes

40 mm nominal dia Pipes

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc.; vertical pipe on wall :: 50 mm dia nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Exposed on wall :: 50 mm nominal dia Pipes

Providing and fixing CPVC (chlorinated polyvinyl chloride) Union confirming to Class 1 ( SDR-11) having thermal stability for hot & cold water supply, including all plain & brass threaded CPVC (chlorinated polyvinyl chloride) fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. :: 20 mm brass threaded Union

25 mm brass threaded Union

50 mm brass threaded Union

Providing and fixing CPVC (chlorinated polyvinyl chloride) Gate Valve confirming to Class 1 ( SDR-11) having thermal stability for hot & cold water supply, including all plain & brass threaded CPVC (chlorinated polyvinyl chloride) fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. :: 20 mm Ball Valve

25 mm Ball Valve

50 mm Ball Valve

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) : 50 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :: 50 mm nominal bore for vertical pipe line.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.: In cement mortar

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :: 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

12 mm cement plaster finished with a floating coat of neat cement of mix :: 1:4 (1 cement: 4 fine sand) for filling of demolishing parapit wall.

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete :: 20 mm nominal bore

S MARI