Construction of New Mini Water Supply Scheme at Mangaldai (PHE) Division Office Campus under Mangaldai Division

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. Above 40 mm nominal bore

Dismantling of C.I. sluice valve including stacking of useful materials within a lead of 50 metres. Up to 150 mm diameter

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. 65 mm dia nominal bore

50 mm dia nominal bore

32 mm dia nominal borer

Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with a floating coat of neat cement complete as per standard design : With common burnt clay F.P.S.(non modular) bricks

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 65 mm nominal bore

50 mm nominal bore

Providing and fixing brass bib cock of approved quality : 20 mm nominal bore

Providing and fixing brass stop cock of approved quality : 20 mm nominal bore