Water Supply And Sanitation Department Tender

Constructing One No. of 50KL (50000 litres) capacity with sill level not less than 17.00 m height and FSL 20.00 mt. from formation level complete with external RCC stair case with landing slabs at each staging RCC roof, ventilator single main hole cover lightening conductor etc. complete as described in schedule No.3. Providing and fixing D.I. D/F expansion joints conforming to (IS-1536-1989) or latest Bell mouth and D/F puddle collars as per DWSS design on basis of enclosed drawing. Duck foot bends, conforming to ISI-13382 and D.I D/F sluice Valve duly ISI marked (IS-14846-2000 or latest) one each with inlet, outlet and scour pipes. Including providing and installing inlet,outlet scour pipe and overflow D.I double flanged pressure pipes horizontally cast in sand moulds as per IS 7181/1986 and latest duly ISI marked from bottom dome to duck foot bend and further up to 2.75 mtr as per detail specification . TMT steel & painting of all complete shall be included in cost P/F aluminium ledder inside the OHSR complete in all respect as per specifications. (The specifications & drawing are based on safe bearing capacity of soil of 8.75 tones per sqm. In case the safe bearing capacity of soil is less than 8.75 tone per sqm. The contractor shall submit his own design for foundation portion based on actual safe bearing capacity as per DWSS specifications. Providing & applying integral crystaline slurry of hydrophilic in nature for water proofing management etc. (for vertical & horizontal surface) and swellable type water stop tape. The difference in quantities from the standard drawing based on 8.75 tone per sqm safe bearing capacity will be paid as per CSR + Prevailing Ceiling Premium including providing and fixing automatic Electronic Water Level control Device and Construction of Plinth protection around OHSR with masonry toe wall with 40 mm thick CC 1:2:4 on top over 100 mm thick CC 1:8:16 & inside earth filling within lead of 5 km, including overflow haudi complete in all respects.

RISING MAIN Providing, Laying, fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-charge) along the Trenches and laying the same in Trenhes to correct alignment and gradients, cutting, jointing and testing complete as per specifications including specials and excavation. (Excavation Mechanical) 110 mm o/d pipe of 10kg./cm2

Providing & fixing C.I/D.I Flanged end, stem of SS (AIS 1410) and Bronze (gunmetal) working parts Sluice Valves ISI marked 14846-2000, including jointing, testing & cost of Nuts, Bolts & insertion sheet, all carriage complete (with the approval of Engineer - in–charge) 100mm i/d