bids are invited for union ball union ball joint 15 nb npt , union ball joint 25 nb npt , 1 point 5 inch pipe of m s class is1239 grade , 1 point5 inchss 304 butterfly valve , 1 point 5 inch ms socket weld flange , 4 inch to 1 point 5 inch ms reducer , 1 by two inch gi pipe of class c grade , 1 inch gi pipe of class c grade , gi reducing elbow of 1 inch to 1 by 2 inch , 15nb long radius gi elbow , 25nb gate valve of gun metal construction , 15nb gate valve of gun metal construction , 1 inch sch 40 ss 304 pipe , 1 by 2 inch sch 40 ss 304 pipe , 25nb long radius elbow of gi material , 15nb equal tee of gi material of construction , unequal tee of 25nb into 15nb of gi material , red oxide and epoxy paint for double coat painting , design of ms platform load capacity 2 point 5 ton , shed made of 3 mm thick galvanized sheets , supply of material removable type pvc conduit , layout and install rigid ducting , pipe and associated accessories fittings pipe total quantity : 1163