Carrying Out Mechanical Works (Fabrication And Erection Of Piping And Associated Works) (P-Xxi) At Hcu Pre-Fractionator Unit_Wp-11 On Labor-Contract Basis In Connection With “Composite Works Comprising Of Piping, Mechanical, Electrical And Instrumentation Jobs For Gds Revamp, Hcu Revamp, Aru And Sws Units Of Lupech (J-18) Project, Iocl Gujarat Refinery, Gujarat”./// Iocl Gujarat Refinery, Gujarat To Carry Out Mechanical Works (Erection And Installation Of Piping And Associated Works) (P-Xxi) On Labor-Contract Basis In Hcu Pre-Fractionator Unit_Wp-11 In Respect Of Overall Works Consisting Of Piping, Mechanical, Electrical And Instrumentation Works For Gds Revamp, Hcu Revamp, Aru And Sws Units Of K Lupech (J-18) Project.