Numaligarh Refinery Limited - West Bengal
25745977 provision of water curtain sprinkler facility at etp of siliguri marketing terminal ( smt ) , nrl , fabrication of pipe ( 16 and below ) modification/repair piping : cs/as/ss ( ibr/non ibr ) :dismantling of existing pipe lines by flame cutting/wheel cutting , hacksaw cutting , grinding transportation of pipes , flanges , fittings etc . from owner#s storage point to worksite making necessary scaffoldings , trenches etc . including supply of machineries , tools , tackles , labors and supervisions , beveling , fit up & welding of different sizes of pipes of all in site or in position on ground , overhead , at all elevations , including attending repairs , fulfilling ndt & pre/post weld heat treatment as required by inspection dept . of nrl , completing the works in all respects as per specifications , drawings and instruction of e . i . c . , erection of pipe ( 8 to 16 ) piping work , cs/as/ss ( ibr/non ibr ) all sizes: dismantling of existing pipe lines by flame cutting/wheel cutting , hacksaw cutting , grinding transportation of pipes , flanges , fittings etc . from owners storage point to worksite making necessary scaffoldings , trenches etc . including supply of machineries , tools , tackles , labors and supervisions , fabrication including cutting , grinding , edge preparation , ( inclusive of grinding the edges of pipe , fittings , flanges etc . to match with the mating edges of uneven , different thickness wherever required ) fit up , bending , preheating , post heating wherever necessary , welding , threading & laying of pipes of all types & thickness over sleepers/overhead on racks etc . at all elevation , fulfilling ndt performance as required by inspection dept . of nrl with all arrangement for inspection , connecting with flanges , nozzles , strainers , orifice assemblies , spray nozzles , rota meter , tapping for pressure gauges , thermo wells , sample connection etc . including fixing of gaskets , bolts , nuts wherever reqd . , cleaning , flushing by water/compressed air , hydrostatic , pneumatic , vacuum or any other type of testing as specified , draining & drying by compressed air , completing all such works in all respect ( including preparation of isometrics ) as per specification , drawings & instruction of e . i . c . , outside threading gi pipe ( 6 and below ) receiving pipe & fittings from pmc/client store , piping yard , fabrication yard , delivery of machined pipes& fittings to site or fabrication yard , machining and edge preparation & from inside champering of pipe & fittings as per sketch / as per instruction of engineer in charge with all tools , machineries , skilled , unskilled manpower , etc . to complete the work in all respect . threading of gi pipe std . outside threading on gi pipes ( 50 mm length ) to match the given threads of fittings . , erection of pipe ( 6 and below ) piping work , cs/as/ss ( ibr/non ibr ) all sizes: dismantling of existing pipe lines by flame cutting/wheel cutting , hacksaw cutting , grinding transportation of pipes , flanges , fittings etc . from owner#s storage point to worksite making necessary scaffoldings , trenches etc . including supply of machineries , tools , tackles , labors and supervisions , fabrication including cutting , grinding , edge preparation , ( inclusive of grinding the edges of pipe , fittings , flanges etc . to match with the mating edges of uneven , different thickness wherever required ) fit up , bending , preheating , post heating wherever necessary , welding , threading & laying of pipes of all types & thickness over sleepers/overhead on racks etc . at all elevation , fulfilling ndt performance as required by inspection dept . of nrl with all arrangement for inspection , connecting with flanges , nozzles , strainers , orifice assemblies , spray nozzles , rota meter , tapping for pressure gauges , thermo wells , sample connection etc . including fixing of gaskets , bolts , nuts wherever reqd . , cleaning , flushing by water/compressed air , hydrostatic , pneumatic , vacuum or any other type of testing as specified , draining & drying by compressed air , completing all such works in all respect ( including preparation of isometrics ) as per specification , drawings & instruction of e . i . c . , fabrication/erection of structural work:supplying transporting storing , fabricating in position and testing / examining bolted and/ or welded structural steel works at all levels and locations including all builtup sections/ compound sections made out of rolled sections and / or plates , bent plates in trusses , purlins , wind ties , wind girders , columns , portals , racks , frame works , crane sagrods , supports for equipment and technological accessories and process piping , hand railings , posts , conveyor galleries , trestles , towers , masts , junction houses , etc cutting , welding , finishing edges by grinding , fixing in line and level with temprorary staging & bracing and removal of the same after erection , grouting with ordinary grout or premix free flow nonshrink grout as specified , including preparation and submission of detailed fabrication drawings , preparing the surface for painting , surface cleaning , wire brushing , removal of mill scale , dust , rust , oil or grease and surface preparation , shop primer as per eil spec 6 66 004 after fabrication etc all complete . supply of all material in contractors scope . , valve erection: dismantling/erection of all type of gate; globe; ball; plug;check; needle; butterfly; control valves or any other similar valves of all size of 150# per inch dia basis; at all elevations and at all locations; dropping it to ground level safely; transportation of spares from storage point / repairing , hydrotesting : pipe hydrotesting/ pneumatic testing of pipings up to 1000 inch mtr . : carrying out per inch dia per mtr . hydrotesting/ pneumatic testing as specified including all other miscellaneous works like blinding , de blinding etc . ; supply of tools tackles , painting work in the joints of gi pipe : supply and application of approved brand of paints , preparation of surfaces , identifications , lettering/numbering , colour coding etc . as specified including rub down and touch up of shop/field primer or scrapping of shop/field primer wherever required and providing scaffolding for all heights , labour , materials , tools and tackles , consumables , personal protective equipments for safe work , supervision , etc . to complete the work in all respects as per specifications , drawings and direction of engineer in charge: one coat of etch primer , one coat of zinc phosphate epoxy primer and two coats of acrylic polyuethane finish paint; 138 ? , painting for fire water line : supply and application of approved brand of paints , preparation of surfaces , identifications , lettering/numbering , colour coding etc . as specified including rub down and touch up of shop/field primer or scrapping of shop/field primer wherever required and providing scaffolding for all heights , labour , materials , tools and tackles , consumables , personal protective equipments for safe work , supervision , etc . to complete the work in all respects as per specifications , drawings and direction of engineer in charge: one coat of epoxy zinc phosphate primer+ one coat of epoxy mio undercoat + one coat of acrylic pu top coat; total dft 230 ? , structural painting :supplying & applying finish paint of approved quality and shade including a coat of primer as per eil specification no . 6 66 004 over one coat of shop primer already applied including storage , surface preparation , degreasing , cleaning , drying , touching up of shop primer coat , providing temporary staging , scaffolding , testing , etc , fo...