Water Supply Works Tenders

cushion of 1.10mtr. from the top of pipe line including making interconnection with distribution pipes etc. all complete as per drawing direction and satisfaction of the E.I.C. N.B. i) Manufacturer’s test certificate for UPVC pipe & specials to be produced before laying of pipe line. ii) 3rd party inspection of UPVC pipe & specials to be done by CEPET or (India) SGS/NTH Kolkata or as per direction of EIC as per approved vender list. iii)No part payment at any stage on account of supply of materials shall be entertained. iv)Payment will be made on actual consumption of materials. v)UPVC pipes for the works to be supplied as per approved vendor list and as per direction & satisfaction of EIC. No pipes will be allowed beyond recommendated vendor list. vi)Submission of drawing of pipe line with statement of materials consumed between node to node points against each R.A. & final bill.if so. vii) Any deviation from required clear cover of 1.10mtr.due to site adverse condition, prior permission is to be obtained from EIC and payment for such work will be made on prorate basis over the rate of entire item. viii)All pipe connection shall be completed in all respect and as per directionof EIC. Decision of EIC in this respect is final & binding. In case of any deviation/or any left out pipe connections an amount of Rs.10,000.00 for each pipe connection will be realized/recovered from the bill. (A) Pressure Rating : Class - III (ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves.

Taking down existing sunken portion treatment by demolition of old concrete and carry out the sunken treatment as in following steps given below and procedure as per Appendix'A' of particular specifications. (a) S & F of drainage spout GI pipe 40mm dia bore light grade upto outside or outer wall ( Apprx 450mm to 600mm long). (b) M & L for PCC 1:1.5:3 type A-0 (using 12.50mm graded stone agg) 50mm thick laid in slope towards drainage out spout pipe mixed with waterproofing chemical as per manufacturer instructions for Khurra 150mmx150mm (min) at appropriate location for free flow (of leaked water if any) towards drainage spouts shall be provided integrally while laying PCC. Fixing of spout shall be done with same PCC as in this item. (c) M & L for 18mm thick cement plaster in CM 1:3 on verticalfaces mixed with water proofing chemical while concrete is green and proper curing and ponding test shall be done before laying dfrainage water supply pipes upto the entire satisfaction of Engineer-In-Charge. (d) Applying two coats of seal coat on vertical as well as horizontal surface. (e) Drainage and water supply pipe if required and test for leakage /sanitary pipes and shall be laid to slope and a clear gap underneath the pipes shall be made avbailable by providing suitable cement concrete block. (f) M & L PCC 1:5:10 type E-2 using 40mm graded stone aggregate as reqd depth at site over and including 150mm thick 20mm single sized stone agg to provide a filter media. (g) M&L PCC 25mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate for level course. (h) M&L for 7 to 8 mm thick non skid ceramic coloured joint less tiles (aquare/rectangur) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as in floors etc laid jointing in neat cement slurry and pointed filled with epoxy chemical mixed with pigment to match with shade of tiles over and including 15mm thick screed bed in CM(1:6) complete all as specified and directed. Note : (i) Waterproofing treatment shall be undertaken alongwith laying of drainage pipe/sanitary pipes/drainage spout etc. (ii) The work shall be carried out as per the direction of Engineer-In-Charge. (iii) The sunken treatment work shall only be carried out after written approval of Engineer in charge for leakage/seapage of water/ sanitary pipes. (iv) Cost of drainage spout shall deemed to be included in the item however sanitary pipe, water pipe line if required shall be paid separately under respective items. (v) Laying of chemicl required for various applications shall be as per manufacturer instructions. (vi) Plan area shall only be measured and paid.

"Providing and laying DWC (SN8) pipes conforms the IS 16098 (Part 2): 3013 Structured-Wall plastics piping systems for NON- Pressure drainage and sewerage –Specification including jointing with seal ring conforming. 250 mm. dia. DWC (SN8) Pipes"