Maintenance of Quarters at Rajeev Chowk Wireless Colony GuruGram SH Repairs to water supply line at pump house and replacement of bath room doors of H17

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge.

(a) 15 mm to 40 mm nominal bore

(b) Above 40 mm nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.

(a) 50 mm dia nominal bore

Providing and fixing CPVC Female TEE of approved quality and manufacturer including fixing the pipe with clamps and CPVC solvent complete as per direction of Engineer in Charge(a) 50 mm nominal bore

Providing and fixing CPVC Male TEE of approved quality and manufacturer including fixing the pipe with clamps and CPVC solvent complete as per direction of Engineer in Charge(a) 50 mm nominal bore

Providing and fixing GI Plate for acting as a flange to existing pipe net work having holes for nuts and bolts with rubber washer all round including welding at site complete as per direction of Engineer in Charge.(a) For 50 mm dia pipe

Providing and fixing CPVC Female TEE of approved quality and manufacturer including fixing the pipe with clamps and CPVC solvent complete as per direction of Engineer in Charge(a) 20 mm nominal bore

Providing and fixing CPVC Male TEE of approved quality and manufacturer including fixing the pipe with clamps and CPVC solvent complete as per direction of Engineer in Charge(a) 20 mm nominal bore

Providing and fixing CPVC Gate valve approved quality and manufacturer (astral or equivalent) on in pipe including cutting and fixing in pipe etc. complete (New work) :

20 mm nominal outer dia Pipes

25 mm nominal outer dia Pipes

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

(a) 50 mm dia nominal bore

Providing and fixing 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

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. : Internal work - Exposed on wall

20 mm nominal outer dia Pipes

Providing and fixing to existing door frames.

25 mm thick PVC flush door shutters made out of a one Multi chamber extruded PVC section of the size of 762 mm X 25 mm or less as per requirement with an average wall thickness of 1 mm (± 0.3 mm). PVC foam end cap of size 23x10 mm are provided on both vertical edges to ensure the overall thickness of 25 mm. M.S. tube having dimensions 19 mm x 19 mm and 1.0 mm (± 0.1 mm) is inserted along the hinge side of the door. Core of the door shutter should be filled with High Density Polyurethane foam. The Top & Bottom edges of the shutter are covered with an end-cap of the size 25 mm X 11 mm. Door shutter shall be reinforced with special polymeric reinforcements as per manufacturer’s specification and direction of Engineer-in-charge to take up necessary hardware and fixtures. Stickers indicating the locations of hardware will be pasted at appropriate places

Making chases up to 7.5x7.5 cm in walls including making good and finishing with matching surface after housing G.I. pipe etc.

12 mm cement plaster of mix .(a) 1:6 (1 cement: 6 fine sand)

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

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.

(a) 50 mm nominal dia Pipes

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

(a) 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Credit for unserviceable dismantled material recovered after dismantling (on as is where is basis)

(a) M.S. scrap (such as M.S. angles, tees, flats, bar and like)