QUALITY CONTROL ENGINEER FOR FABRICATION OF GROUND MOUNTED STORAGE TANK . TANK TOBE FABRICATED & INSPECTED AS PER API 650 API 653. STARTING FORM RAW MATERIAL IDENTIFICATION , WINTESSING WPS PQR WPQ SET UP WITNESS NDT WITNESS VACCUM TESTING HYDRO TESTING SAND BLASING PAINTING ENGINEER SHOULD FOLLOW APPROVED QAP DRAWING PROCEDURE DURING FABRICATION