Water Supply And Sanitation Department Tender

RCC OHSR

Constructing one No. of 25 KL (25000 litres) Capacity with Staging Height 15.50 m and FSL17.20 mtr 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. K-9 D/F expansion joints latest bell mouth and D/F puddle collars as per DWSS design on basis of enclosed drawing. Duck foot bends, Conforming to ISI - 9523 and C.I/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 DI double flanged pressure pipes DI K-9 horizontally cast in sand moulds as per IS 8329-2000 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 leader inside the OHSR complete in all respect as per specifications. (The specifications & drawing are based on safe bearing capacity of soil of is less than 8.75 tone per sqm. In case the safe bearing capacity of sail 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. 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 Preminum 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. Providing and applyiing integral crystalline slurry of hydrophilic in nature for water proofing management etc. (for vertical and horizontal surface) and swellable type water stop tape.

PIPELINE FOR DISTRIBUTION MAIN