Piping Gas Turbine Generator Construction, Fabrication, Piping Systems, Pre-Commissioning Piping Gas Turbine Generator Pertamina Ep Jatibarang Owner Main-Con Work WO/ PO. No. Role in Project Industry Pertamina Ep Jatibarang PT. WESTERN ESP INDONESIA Piping Work PO No. 1705030-WESPI Sub Contractor Oil & Gas Scope Of Work Preparation Welder test, WPS & PQR, Certification by PJIT, Temporary Facility, Mob-Demob for Equipment, & Tools. Piping workPiping Fit-up, Shop-weld Painting of Piping Including Material as per specification and drawing Pre-Comissioning & Hydro-testinng Piping Work Piping Fabrication (Fit-up, Shop-weld) Painting of Piping Including Material as per specification and drawing Pre-Comissioning - NDT & Hydro testing Penetrant and Radiografhy Test Hydrotest Package; Equipment, Consumables & Manpower, Cleaning, Flushing, Test Pack Report, Flushing, Blowing & Drying.