Improvement and extension of existing water supply network in Subashgram Ward No 1, 2 and 3 under SD-II, CD, APWD, Diglipur

Amount

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 :

15 mm to 40 mm nominal bore

Above 40 mm nominal bore

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

40 mm dia nominal bore

50 mm dia nominal bore

65 mm dia nominal bore

80 mm 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 40 mm nominal bore

50 to 80 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

40 mm nominal bore

50 mm nominal bore

65 mm nominal bore

80 mm nominal bore

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality :

40 mm diameter pipe

50 mm diameter pipe

65 mm diameter pipe

80 mm diameter pipe

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

40 mm nominal bore

50 mm nominal bore

65 mm nominal bore

80 mm nominal bore

Mega Engineers and Builders

The Reef Constructions

M Abdul Hameed

SHRI. UTTAM KUMAR SAHA