WORKS CONTRACT FOR MECHANICAL WORKS INVOLVING PIPING, EQUIPMENT ERECTION, PAINTING AND ASSOCIATED WORKS FOR PART-B IN CONNECTION WITH MECHANICAL WORKS FOR LUBE MODERNIZATION AND BOTTOM UPGRADATION (LMBU) PROJECT OF HPCL, MUMBAI REFINERY, INDIA

PIPING-UNITS

PIPING (ABOVE GROUND) :-Transportation of all piping items from Owners storage point to work site/work shop; fabrication including cutting, edge preparation, (inclusive of grinding the edges of pipe, pipe spools, fittings, flanges etc. to match with the mating edges of uneven/different thickness wherever required); fit-up, bending, preheating wherever required, welding, threading, and laying of pipes and pipe spools(spools along with supports) of all types and thickness including full and partial jacketing according to attached Specification for Jacketed Piping over sleepers, overhead on racks and at all elevations, hook- ups with existing piping, connecting with equipment nozzles, strainers, steam traps, static mixers, sight flow indicators, thermal sleeve, orifice assemblies, spray nozzles, rotameters, tappings for pressure gauges, thermowells, sample connections, sample coolers, closed sample system cabinets etc. and fixing of gaskets, bolts, nuts including application of torque wherever required and all other inline instruments and fittings, like elbows, reducers, tees, flanges, spectacle blinds and spacer and blinds, piping specials such as mitres and fabricated fittings, vents, drains(but excluding reinforcing pads),SW valves upto 1.5 NB Steam Supply/Condensate Recovery stations (Cast/Fabricated), Supply and welding of Strip as per EIL Std 7-51-0112 to all pipes before hydro-testing at exit points of Units for earthing purpose, Steam Tracing as per 6-44-0007; alignment, cleaning and flushing by water/compressed air, hydrostatic, pneumatic, vacuum, spark testing and any other type of testing as specified draining, drying by compressed air, performing Positive Material Identification (PMI) using alloy analysers, completing all such works in all respects (including preparation of isometrics as mentioned in the Scope of Work for the job) as per the specifications, drawings and instructions of Engineer-in-Charge. PMI shall be performed by third party as defined in PMI spec. Rates for tubing (if any) shall include rates for valves, fittings, all in line instruments and testing etc. Carbon steel piping includes LTCS piping also. Erection of all inline instruments like flow instruments and specialty items like static mixers, sample coolers, thermal sleeve, air mixers, exhaust head, rupture disk, flow meters, venturi tube, flame arrestor, thermal flow switch etc. except valve shall be considered as part of piping and separate payment shall not be made on this account.

CARBON STEEL PIPING (NON IBR); THK. <= 10MM

FABRICATION (BUTT WELD- MANUAL)

FABRICATION YARD WELDING

NB UPTO 1.5 INCH

NB 2 INCH - 6 INCH

NB 8 INCH - 14 INCH

NB 16 INCH - 24 INCH

SITE FIELD WELDING