MAINT/REPAIR OF EXTERNAL WATER SUPPLY LINES (GI/HDPE) OF ZONE C IN NEW CANTT, ZONE D, DABLAN AND BARSAT AREA IN PATIALA MIL STN UNDER GE(N) PATIALA

Amount

Excavation in trenches for taking out, laying of pipes not exc 1.5 mtr wide and not exc 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and directed.

Returning filling in trenches, including spreading, levelling, watering and well ramming in layers not exc. 25 cm complete all as directed. (Surplus soil if any shall not be removed but left proud over the trench)

Taking up or down steel water tubing / thin walled Flexible Quite coupling galvanised steel /ZRW/HFW pipe of 15 mm bore from trenches or walls etc. complete all as specified and directed. (Excavation and earth work shall be measured and paid separately). Note for ser item No 03 to 07 :- (a) In case diversion of pipe line reqd due to bldg, stone road, under tree and any other reason sch of credit will not be deducted. (b) If any new connection reqd upto a length of 20 to 30 mtr extra contractor will not claim for any credit.

All as per item No 3 above but of 20 mm bore.

All as per item No 3 above but of 25 mm bore.

All as per item No 3 above but of 40 mm bore.

All as per item No 3 above but of 50 mm bore.

Relaying, jointing and testing serviceable GI tubing 15 mm bore as retrieved here-in-before in any length including cleaning, cutting, necessary fittings, laid in trenches or fixed to wall, floor complete all as specified and directed by Engineer in Charge. (Excavation & earth work shall be measured and paid separately).

All as per item No 8 above but of 20 mm bore.

All as per item No 8 above but of 25 mm bore.

All as per item No 8 above but of 40 mm bore.

All as per item No 8 above but of 50 mm bore.

Supply and fix in replacement Galvanized steel water tubing, medium grade of pipe 15mm bore , screwed and socketed joints with and including all required fittings as in trenches, floors, on walls etc complete all as directed

All as per item No 13 above but of pipe 20mm bore

All as per item No 13 above but of pipe 25mm bore

All as per item No 13 above but of pipe 40mm bore

All as per item No 13 above but of pipe 50mm bore

M&L for laying and butt jointing HDPE pipe 110 mm outer dia, PE 80, 6 Kg/Sqcm grade having pressure rating of PH 6 as per (IS-4984) of 1995, ISI marked complete with fitting and special as directed by Engineer in Charge including taking down old pipe.

All as per item No 18 above but of size 50 mm outer dia

S&F HDPE TEE 110mm x 110mm x 110mm in existing pipe line (HDPE) pipe, PE 80, 6 Kg/Sqcm grade complete all as specified and directed by Engineer in Charge.

S&F HDPE bend 110mm @ 20 Kg/Sqcm in existing pipe line (HDPE) pipe, PE 80, 6 Kg/Sqcm grade complete all as specified and directed by Engineer in Charge.

S&F HDPE Reducer 110mm x 50mm in existing pipe line (HDPE) pipe, PE 80, 6 Kg/Sqcm grade complete all as specified and directed by Engineer in Charge.

S&F HDPE Reducer 50mm x 40mm in existing pipe line (HDPE) pipe, PE 80, 6 Kg/Sqcm grade complete all as specified and directed by Engineer in Charge.

Supply and fix in replacement gun metal glove or gate valve heavy duty ISI marked class-1 with iron wheel head, screwed both ends for iron pipe of following 15mm bore complete fixed as in repairs.

All as per item No 24 above but Pipe of 20mm bore

All as per item No 24 above but Pipe of 25mm bore

All as per item No 24above but Pipe of 40mm bore

All as per item No 24 above but Pipe of 50mm bore

Supply and fix in replacement Stop valves, cast copper alloy,screwed down,high pressure,with crutch or butterfly handle,screwed both ends for iron pipe of 15mm bore complete all as specified and as directed by Engr-in-charge.

All as per item No 29 above but Pipe of 20mm bore

Construction of valve chamber of size 90 x 90 x 90 cm (internal) with sub Class 'B' bricks straight or curved or plan exc 6 mtr mean radius built in CM 1:6 PCC 1:3:6 in foundation, 15 mm thick plaster in CM 1:4 on internal faces of walls, 40 mm thick, PCC 1:2:4 in floors including valve pit cover made out of MS sheet 2 mm thick with angle iron 40x40x6 mm frame with fixing hinges, locking arrangements, hold fasts and handle etc duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary excavation & earth work complete including demolition of existing damaged valve pit chamber complete all as specified and directed.

Cutting of road / PCC path upto the depth of pipes and making good the disturbed surface with PCC Type B2 1:3:6 (40mm aggregate) using extra cement including earth work complete all as specified and directed

Boring of holes under Road/Hard Standing for passing of water pipe line upto 200 mm bore complete all as specified and directed by Engr-in-charge.

Material and labour for Run lead joints in repair including extracting old lead while removing the old joint of 80mm bore of water Supply Lines with spigot & socket ends including necessary earth work excavation in soft loose soil up to 1.5 mtr width and 1.5mtr depth returning and filling and well ramming including watering as required. Removal of surplus soil complete all as specified and directed by Engr-in-Charge. NOTE : Old retrived lead may be used by the contractor under this item. Additional lead as required shall be arranged by the contractor. New joint will be carried out only after extracting of old spun yarn and packing new spun yarn.

All as per item No 34 above but Pipe of 100mm bore

All as per item No 34 above but Pipe of 150mm bore

All as per item No 34 above but Pipe of 200mm bore

Supply and replace PVC 'D'clamp for repair to GI/ CI/ HDPE Pipe of 90/100/110 mm bore complete.

Supply and fix in repair Bib Tap size 20mm bore dia of pipes standard PTMT and colour high pressure screwed for iron pipe and fixed with nipple/ elbow and socket if required all as specified and directed.

R D Bansal

KK BUILDERS

M/S RAJ KUMAR GUPTA

Nanotech Construction