TENDER FOR Works On Cuni Pipes On Turnkey Basis Of Ins Sujata , complete scope of work is to be carriedout as per mentioned in annexure-a & annexure-b to the satisfaction of shipstaff , hsl and all navy trial agencies . , remove and chemically clean all system pipes , pressure test to 1 . 5 times of working pressure on completion . renew defective pipes . , undertake cleaning of all system / sewage pipelines and renew . , fresh water line for washing of bridge windows damaged/detoriated to be renewed . system to be proved operational post renewal . ( mat - cuni . dia 1 inch ) . , 02 drain line of cool & cold room to be renewed along with necessary end fittings and bends . ( dia 60mm , mat:cu-ni ) , approximately 350 rmt of prewetting pipe lines across the ship buckled , perished and cracked . pipelines along with end fittings , brackets and sprinklers are to be renewed as per specification:pipe mat: cu-ni , 2dia including flanges , fasterners & clamps/ brackets and end fittings . on completion of repair/ renewal , trials of the prewetting system is to be undertaken and is to be proved . , drain pipe on all 05 ahus are to be renewed along with necessary end fittings and bends . cu-ni pipe , 2dia , drain pipe of all 05 fcus are to be renewed along with necessary end fittings and bends . cu-ni pipe , 3dia , carry out removal , chemical cleaning and water pressure test of entire cooling water system , boxing-up of the system and check for leakages . length - 100 m . dia - 10 to 100 mm , renewal of 50 m of cooling water system pipelines of both main engines along with end fittings , flanges , fasterners . sizes:200mm-20mtr 150mm-20mtr 100mm-10mtr , renewal of both main engine priming pump lo system pipe line from sump to pump suction . length- 10m , dia- 65mm , mat- cu/ni , renewal of both maine engine priming pump lo system pipe line from pump discharge to lo-preheater . lenth -07m , dia- 65mm , mat- cu/ni , , renewal of gauge lines with pressure gauge of both main engine priming pump post overhauling and renewal of pipe lines . suction gauge-02 , discharge gauge-02 , length of gauge lines- 08m , mat- cu , manufacturing and renewal of me s/w system pipe line from suction strainer to gear driven s/w pump . length- 10m , dia-200mm , mat- cu/ni , including gunmetal flanges and fastners , renewal of me s/w vent line . lenth- 06m , dia- 32 mm , mat- cu/ni , gasket , fastner and supporting frames with clamps as per requirment . , renewal of me s/w priming line connection to suction line . length-10 m , dia- 32mm , mat- cu/ni , gasket and fastners with clamps as per requirment . , renewal of me s/w system inter connection line . length- 20m , dia- 200mm , mat- cu/ni , no of flanges- 04 , gasket , fastners and supporting clamps as per requirment . falnge mat: gm bronze , renewal of me sw system pipe line from s/w gear driven pump to overboard . length - 60 mtrs , dia- 150 mm / 200 mm , mat- cu-ni , no of flange- 06 , no . of bellow- 02 bellow renew with metalic collar no of fastner- 48 , gasket to be renewed . no . of divergen- 01 , flow restriction- 01 . ( including flanges , gaskets , fasteners , clamps are under part of renewal of pipe ) . , renew of emergency line of bme sea water system pipe line . length- 04 m , dia- 125 mm , mat: cu-ni , renew of relief line of bme . length- 04 m , dia - 80mm , mat: cu-ni , both gear box sw inlet/outlet pipes to be renewed . dia-80 mm , length-01 mtr each . , renewal of both r/g s/w cooling system pipe line from suction strainer to gear driven s/w pp . length- 05 m each , dia- 32 mm , mat- cu-ni , flange- 02 , renew of emergency line from emergency cooling water system . length- 10 m each , dia- 32 mm , valve type- ball type , renewal of r/g s/ w cooling system pipe line from s/w pump ( g/b ) to overboard . length- 05 meach , dia- 40 m , flange- 02 , bothgear box s/w system pipe lines corrode & perished . pipe lines to be manufactured as per sample and pressure test to be carried out up to 5 . 5 bar post fitment of new pipe lines . , renewal of stern cooling pump discharge line , length-02 mtr . , dia-40mm . , plummer block s/w cooling pipe line to be renewed . dia- 15 mm , mat- cu-ni , system pipes corroded and holed . to be manufactured and renewed as per sample with end fittings:- qty- 10 . length- 25 mtrs . dia-80 mm , mat: cu-ni , qty- 10 length- 25 mtrs dia-65 mm mat- cuni , a/c sea water system pipes to be pressure tested and chemically cleaned . defective pipelines to be manufactured with end fittings and renewed . mat-cuni . , chemically clean and pressure test all system pipes including ahus and fcus . carry out pressure testing of system ( mat seamless cu ) . working pressure 05 bar . test pressure 7 . 5 bar . renewal of approx 50 mtr pipes is envisaged . , sea water pipes of stabiliser system to be manufactured along with end fittings as per sample . mat-cuni- dia -40mm , system survey- carry out system survey , pressure test and renew deefctive system pipelines . for survey- length- 500 mtr , mat- cuni , qty dia- 150 mm to 40 mm anticipated replacement- 50 mtr with end flanges and 05 pressure gauge pockets , six in number distance pieces corrored and holed . to be renewed as per sample . , system survey- carry out system servey , pressure test and renew deefctive system pipelines . dia- 65 mm -25 mm mat- seamless copper length- 500 mtr approx , sprinkling system pipe corroded and holed . to be manufactured and fitted as per sample . qty- 06 pipes length- 05 mtr each with end fittings . mat-cuni , various pressure gauge lines along with end fittings and isolating valves/cocks and securing arrangement to be renewed as per sample . mat-cu qty-50 length-05 mtr each sow includes manufacturing and proper securing of gauge lines with clamps . , clean/scrap old paints various system pipelines and apply two coats of fire retardant paint as per color scheme indicated by ship staff , renewal of system line to be undertaken as per scope of work to the satisfaction of navy/ss/hsl . mat: cu-ni
