1 supply and laying 6 etp line 2 elb,bw,wpb,cs,90deg,150mm 3 wrapping/ external coat of pipe 4 copper slag blasting - 250mm 5 copper slag blasting - 200mm 6 copper slag blasting - 150mm 7 sply and painting - 250 mm 8 sply and painting - 200 mm 9 sply and painting - 150 mm 10 laying of pipe - 250 mm 11 laying of pipe - 200 mm 12 laying of pipe - 150 mm 13 pipe,cs,is3183,saw/erw,250mm 14 pipe,cs,is3183,saw/erw,200mm 15 layg of above ground pipeline - 250mm 16 layg of above ground pipeline - 200 mm
