bids are invited for pipe and pipe fittings schedule 1 , schedule 2 , schedule 3 , schedule 4 , schedule 5 , schedule 6 , schedule 7 , schedule 8 , schedule 9 , schedule 10 , schedule 11 , schedule 12 , schedule 13 , schedule 14 , schedule 15 , schedule 16 , schedule 17 , schedule 18 , schedule 19 , schedule 20 , schedule 21 , schedule 22 , schedule 23 , schedule 24 , schedule 25 , schedule 26 , schedule 27 , schedule 28 , schedule 29 , schedule 30 , schedule 31 , schedule 32 , schedule 33 , schedule 34 , schedule 35 , schedule 36 , schedule 37 , schedule 38 , schedule 39 , schedule 40 , schedule 41 , schedule 42 , schedule 43 , schedule 44 , schedule 45 , schedule 46 , schedule 47 , schedule 48 , schedule 49 , schedule 50 total quantity : 4296