Carrying Out Mechanical Works (Fabrication And Erection Of Piping And Associated Works) (P-Xxiii) At Hcu Pre-Fractionator Unit And Gds Unit_Wp-11 On Labour-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. /// To Carry Out Mechanical Works (Erection And Installation Of Piping And Associated Works) (P-Xxii) On Labor-Contract Basis In Hcu Pre-Fractionator Unit And Gds 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 Iocl Gujarat Refinery, Gujarat.