A/R M/O Water Supply under Sub Division No.II, NACD, APWD, Mayabunder during 2025-26.SW-Replacement of Old G.I Pipe at Bamboo Nallah village under Pahalgoan Panchyat Sub Division No.II, NACD, APWD, Mayabunder.

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

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

20 mm dia nominal bore

25 mm dia nominal bore

40 mm dia nominal bore

50 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) :

25 mm nominal bore

40 mm nominal bore

50 mm nominal bore

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

20 mm diameter pipe

25 mm diameter pipe

40 mm diameter pipe

50 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) :

20 mm nominal bore

25 mm nominal bore

40 mm nominal bore

50 mm nominal bore

Carriage of dismental pipe by head load for an average lead of 2.00 km