Municipal Affairs Department Tender

Pumping out water from pond or tanks

Supplying HDPE (Materials grade PE-80) 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 exisiting 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. (A) Pressure Rating : PN 6 (i) Laying of pipe line including cost of pipe only excluding cost of specials/fittings & valves. c) 110 mm (OD)

Cleaning thoroughly the inner surface of pipe line including special sand valves by flushing with water and subsequently disinfection of thesame pipe line by flushing againwithwater containing bleaching powder resulting in residual chlorine not less than 15mg/ltrs.after 24 hrs.ofsuch filling including laboratory testing of water samples obtain from the disinfested pipe line and disposal of water from the pipe line after completionof thework.Therates including of cost of requisite water to bearr anged by the contractor) (Ther ateof water @Rs.10/m3maybe recovered, if the contractor used water from deptt. source). B) For UPVC/HDPE Pipe c) 110 mm dia (OD)