tender for erection of 6 inch and 8 inch dia pipes- 1 dismantlign of 6 dia pipes 2 laying of 6 dia pipe.180m 3 dismantling of bends ( 04 nos. ) , nipples ( 04 ) , non return valve ( 04 ) & sluice valve ( 04 ) of 6 dia. 4 transportation of 6 pipes from transport office to work site ( 5 no. & 6 no. patch ) 5 cutting from conveyor belt for making rubber packing joint ( belt supply by department ) 6 cutting of pipe for laying the delivery 7 welding of pipe for laying the delivery the delivery. 8 supply and fixing of m.s. nut & bolts of size 2.5 x 3 full thread with washer. 9 dismantling of 8 dia pipes. 10 transportation of 8 pipes from transport office to working site ( 5 no. & 6 no. ) 11 laying of 8 dia pipes 12 dismantling of bends ( 03 nos ) , nipples ( 03 ) , non return valve ( 03 ) & sluice valve ( 03 ) of 8 dia. 13 shifting of sheds 14 fitting of 8 dia suction 15 cutting of pipes for dismantling & laying. 16 welding of pieps for laying 17 supply and fixing of 6 dia flange. 18 supply and fixing of 8 dia flange. 19 installation of 1000 / 2000 gpm pump motor set. 20 total impact of gst for the purpose of ctc