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| 1 | Supplying, Laying and joining of pipes and specials including transportation of all material to worksite, earthwork in excavation in all types of soil including soft rock and hard rock at all depths required for gravity flow ,cutting of pipes if required, edge preparation, providing corrosion protection tape coating as per spec no 6-79-0011 on pipes and specials, laying the pipes in the trenches to required alignment and levels, welding the same after laying, installation of flanges, blind flanges, tapping for pressure gauges, temperature gauges and all other online instruments, providing reinforcing pads as per piping material specification, fixing of nuts, bolts, gaskets and washers, welding, corrosion protection tape coating of field joints, cutting of road wherever required & making good the same, testing for the corrosion protection tape coating as per specification, NDT as per relevant specification, hydrostatic testing of the system, flushing, backfilling the trenches with manufactured sand including reexcavating the deposited soil excavated earlier, breaking clods and laying in layers of 15 cm compacted thickness , watering, compacting with mechanical means like vibro rammers etc. to 90% of standard proctor density as per IS:2720 Part-VII, disposal of surplus earth/ unserviceable material to demarcated area anywhere within the complex limit etc. complete as per drawings, specifications and instructions of Engineer-in- Charge including connecting the pipes to manhole by grouting the pipe body with manhole wall using cement mortar 1:2 (1 cement : 2 sand) and curing the joints including return of all unused / scrap pipe to owner\"s storage point . For Cooling water System (Gravity Flow) For following Nominal Sizes and Pipe material Class |
| 2 | (Nominal Dia – 100 MM as per IS 1239 Class Hvy Piping Material Class –A94A) |
| 3 | (Nominal Dia – 150 MM as per IS 1239 Class Hvy Piping Material Class –A94A) |
| 4 | Supplying, Laying and joining of SS seamless pipes and specials confirming to ASTM A 312 TP304L including transportation of all material to worksite, earthwork in excavation in all types of soil including soft rock and hard rock at all depths required for gravity flow ,cutting of pipes if required, edge preparation, providing corrosion protection tape coating as per spec no 6-79-0011 on pipes and specials, laying the pipes in the trenches to required alignment and levels, welding the same after laying, installation of flanges, blind flanges, tapping for pressure gauges, temperature gauges and all other online instruments, providing reinforcing pads as per piping material specification, fixing of nuts, bolts, gaskets and washers, welding, corrosion protection tape coating of field joints, cutting of road wherever required & making good the same, testing for the corrosion protection tape coating as per specification, NDT as per relevant specification, hydrostatic testing of the system, flushing, backfilling the trenches with manufactured sand including reexcavating the deposited soil excavated earlier, breaking clods and laying in layers of 15 cm compacted thickness , watering, compacting with mechanical means like vibro rammers etc. to 90% of standard proctor density as per IS:2720 Part-VII, disposal of surplus earth/ unserviceable material to demarcated area anywhere within the complex limit etc. complete as per drawings, specifications and instructions of Engineer-in- Charge including connecting the pipes to manhole by grouting the pipe body with manhole wall using cement mortar 1:2 (1 cement : 2 sand) and curing the joints including return of all unused / scrap pipe to owner\"s storage point. For Non-Active waste water system (Gravity Flow) For following Nominal Sizes and Pipe material Class |
| 5 | (Nominal Dia – 80 MM Piping Material Class – A23K) |
