Tender For Supply And Delivery Of Miscellaneous Items Related To Piped Water Supply Schemes, Kolkata-West Bengal

Tender For Supply And Delivery Of Miscellaneous Items Related To Piped Water Supply Schemes 1 Providing and fixing in position and jointing high performance C. I. Air valves for water combination type ( Kinetic air valve along with automatic air valves ) double ball, double orifice with stainless steel ball, tamper proof air vents rolling seal mechanism for air release and anti vacuum application designed for PN1.0 & PN1.6. working pressure and tested for 20 for kg per sq. cm. pressure. ( Rate to include cost of gaskets, bolt, nut and any other material required for jointing and its transportation etc. 1.01 PN 1.0 1.01.01 50 mm 1.000 Each 1.01.02 80 mm 1.000 Each 1.01.03 100 mm 1.000 Each 1.01.04 150 mm 1.000 Each 1.01.05 200 mm 1.000 Each 1.02 PN 1.6 1.02.01 50 mm 1.000 Each 1.02.02 80 mm 1.000 Each Annexure -A N.I.e.Q. No. WBPHED/SE/PC-I/14/2023 -24 1 of 2 1.02.03 100 mm 1.000 Each 1.02.04 150 mm 1.000 Each 1.02.05 200 mm 1.000 Each 2 Supply & installation of Water level indicator or Depth Gauge upto 5.0 mtr height including MS enabled gaugeplate 150 mm wide, 3mm thick, copper float providing and fixing required accessories such as pointer, pulleys, nylon thread including cost of all material, labour etc. all complete. 2.01 For Overhead Reservoir 1.000 Each 2.02 For Ground level reservoir 1.000 Each 3 Supplying at site Non Toxic Acrylic Polymer modified cementitious waterproofing coating for waterproofing coating inside the OHR tanks, having tensile strength >2.0 N/sqmm. The material must be Free from acute lethal toxicity as per IS 6582. 1.000 Sqm. 4 Cost of wrapping coating after providing primer on derusting surface as per requirement & coating with 4 mm thick bituminous sheet (IWL/Shalimar Product) immediately on pipe wrap by using blow lamp. The rate includes all materials & labour whatsoever including the cost of derusting & smoothening the surface by copper shots blasting method all complete as per direction of EIC. 5 Providing and supplying at site of ductile iron /spheroidal graphite (S.G.) iron D/F double eccentric resilient seated short body butterfly valves with gear box & handwheel, without bypass arrangement. Valves in accordance with BS EN 593 of PN 10/16 rated, with body & disc of ductile iron confirming to EN 1563/IS 1865 Gr.500/7 or Gr.400/15, Body seat of intergral SG Iron/S.S. AISI 316, seal retaining ring of steel C45/S.S. 1.4436, Shaft of S.S. 1.4021, Periferial disc seal and “O” rings of WRAS approved EPDM rubber (suitable for drinking water), Internal fasteners of stainless steel A2. Body & disc coated inside & outside with electrostatically applied epoxy powder coated blue colour. (suitable for drinking water.) as per DIN 30677- 2 & GSK guidelines with a coating thickness of min. 250 microns. Valves should be 100% tight shutoff. Face to face is per IS 13095 short body. Flange drilling as per IS 1538 raised face & pressure testing at manufactures works shall be done as per IS 13095. including transportation charges. 5.01 PN 1.0 5.01.01 200mm 1.000 Each 5.01.02 250 mm 1.000 Each 5.01.03 300 mm 1.000 Each 5.01.04 350mm 1.000 Each 5.01.05 400 mm 1.000 Each 5.01.06 450mm 1.000 Each 5.01.07 500 mm 1.000 Each 2 of 2 5.01.08 600 mm 1.000 Each 5.01.09 700 mm 1.000 Each 5.01.10 800 mm 1.000 Each 5.01.11 900 mm 1.000 Each 5.01.12 1000 mm 1.000 Each 5.02 PN 1.6 5.02.01 200mm 1.000 Each 5.02.02 250 mm 1.000 Each 5.02.03 300 mm 1.000 Each 5.02.04 350mm 1.000 Each 5.02.05 400 mm 1.000 Each 5.02.06 450mm 1.000 Each 5.02.07 500 mm 1.000 Each 5.02.08 600 mm 1.000 Each 5.02.09 700 mm 1.000 Each 5.02.10 800 mm 1.000 Each 5.02.11 900 mm 1.000 Each 5.02.12 1000 mm 1.000 Each Superintending

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