Tender For Fabrication & Erection Of Fire Water Piping (Ag & Ug) And Its Associated Civil Works As Per Standard Specification On Labour-Contract Basis In Connection With Composite Work For Utilities & Offsites Part B For Panipat Refinery Expansion Project (P25) At Panipat Refinery, Haryana.” Fabrication and Erection of Fire water piping (underground) 72 Laying and joining of externally 3LPE Pre-coated Carbon Steel Pipes and specials underground including transportation of all material from Owners storage point to worksite, earthwork in excavation in all types of soils excluding soft rock and hard rock for pipe trenches, saddles, etc. including dewatering, shoring and strutting if required, dressing of sides, levelling, grading and ramming of bottoms, cutting of pipes to required lengths if required, edge preparation, laying the pipes in 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,, fixing of nuts, bolts, gaskets and washers, welding, carrying out repairs of coating defects not attributed to owner (i.e. defects occurring after taking over of pipes from owner), Liquid epoxy coating (EP) as per DIN EN 10289, Class C, Type 3 of all field weld joints (at pipes, bends, fittings, valves, flanges etc.) as per specification including supply of coating material, inspection and testing for the corrosion protection coating as per specification, cutting of road wherever required and making good the same, hydrostatic testing of the system, flushing, backfilling the trenches with select material from available excavated soil 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 dry density as per IS:2720 Part- VII or 85% relative density as per IS: 2720 part XIV as applicable, making good the surface, 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, including return of all unused / scrap pipes and specials to owners storage point. (All the materials except Pre-coated Pipes and fittings shall be supplied
