bids are invited for si no 804 , custom bid for services - 140 hand operated winch capacity 250 kgs si no 806 , custom bid for services - 150 storage of diesel tank capacity 219 m3 , custom bid for services - 160 air receiver tank capacity 500 ltrs , custom bid for services - 170 air receiver tank capacity 270 ltrs , custom bid for services - 180 safety belt with twin life line safe drop 18 mts code is 3521 , custom bid for services - 190 basket filters hpcl , custom bid for services - 200 basket filters eipl , custom bid for services - 210 basket filters cavern , custom bid for services - 220 diesel day storage tank capacity 1000 ltrs , custom bid for services - 230 fire water tank capacity 1230 m3 , custom bid for services - 240 thickness measurement of above ground pipings dt eipl , custom bid for services - 250 thickness of above ground fire water network dt , custom bid for services - 260 thickness measurement of above ground pipings at rajahmundry region , custom bid for services - 270 a type ladders , custom bid for services - 280 straight ladders , custom bid for services - 290 tiltable tower ladders , custom bid for services - 300 hand operated winches , custom bid for services - 310 polyster lifting slings 5 ton total quantity :