corrigendum : custom bid for services - lumpsum amount including gst as per scc and sow of tender document for annual rate contract for various activities in iop&s area at gail pata: 10) vessel and tank cleaning job in storage area (cyclohexane, diesel, mfo and others), 20) cleaning job of water seal drum (wsd) of flares in storage area., 30) replacement of molecular sieve and activated alumina in the purification unit of nitrogen plant, pc-1 including shifting of fresh material from gail store
to site and disposal of spent material at the designated site within 3 km, 40) replacement of molecular sieve and activated alumina in the purification unit of nitrogen plant, pc-2 including shifting of fresh material from gail store to site and disposal of spent material at the designated site within 3 km, 50) replacement of activated alumina in the instrument air dryers of compressed air plant, pc-1 & 2 including shifting of fresh material from gail store to site and disposal of spent material to designated site within 3 km., 60) removal of filter media, screening of media to separate gravels, coarse and fine sand then refilling of the filter media in rwtp-1 & rwtp-2 (after completion of lateral repairing jobs by civil deptt.), 70) removal of filter media, screening of media to separate gravels, coarse and fine sand then refilling of the filter media in rwtp-3(after completion of lateral repairing jobs by civil deptt.), 80) removal of mud and silt from the pc#1 intake feeder canal and disposal of silt within plant premises., 90) removal of mud and silt from the pc#2 intake feeder canal and disposal of silt within plant premises., 100) removal of mud and silt from silt catchers by mechanical means by using slurry pumps/vaccum sucker in raw water reservoir area., 110) cleaning of clarifiers in rwtp-1 and rwtp-2, 120) cleaning of tube settlers (02 nos) in rwtp-3, 130) cleaning of dirty back wash sump in rwtp-1, 140) cleaning of dirty back wash sump in rwtp-3 (pc#2), 150) cleaning of filter backwash tanks in rwtp-1/2 ( capacity approx 300 m3), 160) cleaning of filter backwash tanks in rwtp-3 ( capacity approx 750 m3), 170) cleaning of basin of all cooling towers cells , 180) cleaning of pump sump with help of mechanical means of ct-1, 2, 3, 4, 5 and mcs., 190) removal of media in the ss filters of all cooling towers including mcs and again recharging of filter media after screening., 200) cleaning of neutralization pits in d. m. plant, 210) cleaning of neutralization pits pumps sump in d. m. plant, 220) cleaning of dm storage tank / polished condensate tank/ degasser water storage tank, 230) loading / unloading of pall rings of degasser tank, 240) cleaning of guard ponds in wwtp and disposal of removed sludge in secured land fill within 1.5 km distance from site. , 250) cleaning of ctbd pond in wwtp and disposal of removed sludge in secured land fill within 1.5 km distance from site. , 260) loading & unloading i.e. removal, cleaning and replacement of packing rings in suitable bags, knocked out drum of oxidation tower (disposal of sludge in secured land fill within 1.5 km distance from site)., 270) cleaning of final clarifiers in wwtp, 280) bio-sludge alongwith intermixed sand removal; cleaning and disposal to secure land fill from every compartment of sludge drying bed, 290) mauram (coarse sand) filling in each compartment of sludge drying bed in wwtp , 300) sludge removal, cleaning of equalization tank & disposal of sludge to a safe location, 310) unloading, cleaning and loading of pp media packing in bio-tower & its cleaning , 320) sludge removal, cleaning of 02 no. of daf tank & disposal of sludge to a safe location, 330) sludge removal, cleaning of 02 no. of flash mixer tank & disposal of sludge to a safe location, 340) sludge removal, cleaning of 02 no. of flocculation tank & disposal of sludge to a safe location, 350) sludge removal, cleaning of 02 no. of ph adjustment tank & disposal of sludge to a safe location, 360) sludge removal, cleaning of 01 no. chemical sludge sump and its disposal to a safe location, 370) sludge removal, cleaning of 01 no. transfer sump and its disposal to a safe location, 380) sludge removal, cleaning of 01 no. sludge sump (pc-ii) and its disposal to a safe location, 390) sludge removal, cleaning of ex-tpi sump (pc-ii) and its disposal to a safe location, 400) cleaning of 6 channels of api oil separator, 410) cleaning of 02 nos. of spent caustic storage tanks of sctp, 420) sludge removal, cleaning of slop oil sumps and its disposal to a safe location, 430) sludge removal, cleaning of sludge thickened sump and its disposal to a safe location, 440) cleaaning of one compartments of areation tank, 450) shifting of waste resin /activated carbon /waste material to solid waste storage shed or designated area within plant premises including filling of waste resin /activated carbon /waste material to bag/jumbo bag/drum and loading to tractor or any vehicle and unloading to solid waste storage shed or designated area within plant premises. vehicle for shifting also provided by vendor.
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