Details: supplying of erwms black pipe of approved make(heavy quality) as per direction of the e.i.c i)150 mm(inner) dia, not less than 7.1 mm thick (b) supply of e.r.w.m.s. black pipe of approved make(heavy quality) as per standard specification having wall thickness not less than 8 mm. (i) 200 mm dia. (internal) supply of e.r.w.m.s.blank pipe of approved make (heavy quality) as per direction of the e.i.c. i) 250 mm (inner) dia., not less than 8.0 mm thick carrying ci/di pipes with specials and valves and lowering placing in position and laying carefully inside the trenches in proper alignment and gradient etc. including earth work in excavation of adequate width as per specification having min. clear cover from top of pipe is 1.10mtr. below existing ground level in any kind of soil including mixed with boulder, road sub-grade and its flank,but excluding moorum and laterite and stone etc.without damaging the exisiting telephone/ electric cable etc.(in case of damaged if any type of cable line
Sector: Water supply and Sewerage