bids are invited for installation deggassing , hook up of lpg pipelines , insttalation of 3- way valve , modification , radiography , supply and erection of sch-40 , 200 nb seamless pipe , supply and erection of sch-40 , 100 nb seamless pipe , supply and erection of sch-40 , 80 nb seamless pipe , supply and erection of sch-40 , 50 nb seamless pipe , supply and erection of sch-40 , 20 nb seamless pipe , ball valve , globe valve , socket half thread , scoket sw thread , suuply and erection of tsv , long ht stud and nut , long ht stud , spiral wounded gaskets , wnrf flange sch-40 , seamless sch-40 , copper jumper 6mm thk , copper jumper 6 mm thk pipeline modification and three way valve total quantity : 8012