bids are invited for custom bid for services - sporadic work outsourcing package - removal, cleaning & mounting of filter elements in pipeline segment of size dn250 to dn600 , removal, cleaning & mounting of filter elements in pipeline segment of size dn100 to dn200 , charging of high pressure cylinders , propellant/service fluid transfer operations , assembling of flange joints flanged/threaded joints ofsize dn100 to dn200 , preparation of word/excel/powerpoint/drawings/bill ofmaterial documents , collecting of gas s les / moisture checking of fluidsystem. , operation and maintenance of mechanical equipments(crane/pump, etc.) , creating of 3d models for fea analysis , handling of pipes/fittings/flow components from stores to workspot , stores inventory management and on receipt materialverification , pneumatic leak testing of pipeline , msld leak check setup and leak checking of joints , preparation of piping layouts, isometric drawings,fabrication drawings, etc. in autocad. , providing stainless steel tube connection withbends/fittings of tube , removal, cleaning & mounting of filter elements inpipeline segment of size dn15 to dn80 , assembling of flanged/threaded joints of size dn250 todn600 , assembling of flanged/threaded joints of size dn15 todn80