Augmentation of Water Supply at Katta Mohalla, Haka Bazar and adjoining areas

Earth work in excavation by manual means in trenches for foundations drains pipes cables etc. (not exceeding 1.5 m in width) and for shafts wells cesspits and the like not exceeding 10 sqm on plan including dressing of sides and ramming of bottoms lift upto 1.5 m including getting out excavated earth and disposal of surplus excavated earth as directed: All kinds of soil :

Dismantling manually/ mechanically including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge: Bituminous Road.

Providing and fixing G.I. pipes complete with G.I. fittings excluding trenching and refilling etc. (external work).

40mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing Tee including cutting and threading the pipe etc. complete

25 to 40mm dia nominal bore

15 to 20mm dia nominal bore

Providing, fabrication, fixing of MS fitting viz bends, tees, collar, flanges including all the necessary items, pipe specials required site. Complete job.

Providing and fixing of stainless steel Ball Valve of standard make and approved quality, ISI maked.

25mm dia nominal dia

20mm dia nominal dia

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