hiring services for carrying out moc jobs at ompl , carbon steel piping ( non ibr ) :fabrication & erection ( bw ) , erection and welding of cs pipelines at ground level upto 4 . 5 mtrs elevation , fabrication of pipeline upto 12mm thickness , erection of pipeline upto 12mm thickness , erection and welding of cs pipelines above 4 . 5 mtrs elevation , fabrication of pipeline upto 12mm thickness , erection of pipeline upto 12mm thickness , scaffolding jobs , supply and erection of scaffoldings at different areas , pipe line ndt test , dye penetration test :- performance of dye penetrant test including supply of all necessary materials , equipment and labour for carrying out the work as per specification and directions of engineer-in-charge , pipe supports fabrication and welding , corrosion pad cutting and welding , fabrication of cs structural steels for pipe supports like t post , pipe guide . , valves erection and box up transportation of all types of valves such as gate valves , globe valves , control valves , check valves from ware house to worksite and installation of valves on pipelines and accessories fixing of accessories like gaskets bolts / nuts wherever required as per specification , drawings and directions of engineer-in- charge . , gate valve nb 3 inch , 150# , gate valve nb 4 inch , 150# , gate valve nb 24 inch , 150# , gate valve nb 14 inch , 150# , gate valve nb 10 inch , 150#