Carrying Out Mechanical Works (Fabrication And Erection Of Piping And Associated Works) (P-Xxii) 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 Work (Erection And Installation Of Piping And Related Works) (P-Xxii) On Labor-Contract Basis At 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.