Public Health Engineering Department Tender

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming thebottom, bailing out water as required complete...(a) Depth of excavation not exceeding 1,500 mm.

Supplying HDPE (Materials grade PE-80, PN-6) pipes conforming to IS 4984-1995 with latest revision & amendments if any with necessary HDPE specials (excluding cost of CIDF valves) including labour charges for earth work in excavation in any kind of soil including mixed soil with boulder,road sub-grade and aits flank but excluding moorum laterite or sand stone/hard rock cutting with chisel required including cutting road flank/brick pavement etc. without damaging the existing telephone/electrical cable line etc. (in case of damage of any type of cable line by the agency at the time of execution necessary damage charge as applicable by the respective authority will have to be brone by the agency at his own cost) upto the depth (av.) so as to maintain 1.10m. earth cushion from top of the pipe upto G.L. including loading unloading carrying lowering laying fitting fixing carefully pipes, valves and specials with the all types of jointing materials in trenches maintaining proper levels and alignment jointing the pipes and specials by butt welding/adopting suitable method (But weld jointing with help of hydraulic tack and trimming machines, Hitter etc. for reaching at necessary melting point of HDPE pipe so that joint can be monolithic) so as to facilitate the maintenance of pipe line locally as per conventional method in future. B) Laying HDPE (Grade PE-80, PN-6) pipe line including cost of fitting/specials but excluding cost of valves.

c) 90 mm (OD)