REPAIR/MAINT/IMPV OF WATER SUPPLY INSTALLATIONS, BLDGS, STORAGE TANKS, DISTRIBUTION MAINS AT JALAPAHAR AREA UNDER AGE I DARJEELING

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5mtr in depth for foundation. (Laying of under ground cables) and getting out in soft/loose soil complete all as per specified and as directed by Engineer-in-charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n exc 25cm complete all as per specified and as directed by Engineer-in-charge.

Removing excavated material not exc. 50 m & depositing where directed at a level not exc. 1.5 m above starting point complete all as per specified and as directed by Engineer-in-charge.

Taking out old existing galvanised iron water mains 20 mm bore (including all fittings) with spigot and socket ends and fittings for re-use in the work and removing unserviceable pipes and fittings from site complete all as per specified and as directed by Engineer-in-charge.

All as per serial item No.04 above but for pipe of size 25 mm.

All as per serial item No.04 above but for pipe of size 40 mm.

All as per serial item No.04 above but for pipe of size 50 mm.

All as per serial item No.04 above but for pipe of size 80 mm.

Refixing of 20 mm bore old steel tubing and connection in new or old position including cutting threads if required, fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in trenches or fixed to walls etc. and testing for leakages, complete all as per specified and as directed by Engineer-in-charge.

All as per serial item No.09 above but for pipe of size 25 mm.