MAGELLAN TERMINALS HOLDINGS, LP

Incident Narrative

ON 6/10/2019, OPERATIONS PERSONNEL OBSERVED PRODUCT LEAKING FROM 3/4"" BLEEDER VALVES ON THE PROVER AT THE CORPUS CHRISTI FACILITY. THE LOCAL CONTROL CENTER WAS NOTIFIED TO SHUT DOWN PROVER ACTIVITIES AND MAINLINE MOVEMENTS. ISOLATION VALVES WERE CLOSED TO ISOLATE THE PROVER FROM FACILITY OPERATIONS. CLEANUP ACTIVITIES WERE INITIATED. THE RELEASE WAS CONTAINED WITH A CONCRETE PIT. A VACUUM TRUCK WAS USED TO COLLECT THE PRODUCT. ON 6/6/2019, A TECHNICIAN WAS PERFORMING A WATER DRAW ON THE PROVER. UPON COMPLETION OF THE WATER DRAW ACTIVITIES, THE FITTINGS WERE REMOVED AND BLIND FLANGES WERE INSTALLED. THE 3/4"" BLEEDER VALVES WERE INADVERTENTLY LEFT IN THE OPEN POSITION. ON 6/10/2019, A MAINLINE MOVEMENT WAS SCHEDULED AND PROVER ACTIVITIES WERE INITIATED. THE INTRODUCTION OF PRODUCT INTO THE PROVER AND SUBSEQUENT PROVER ACTIVITIES RESULTED IN A RELEASE FROM THE OPEN BLEEDER VALVES. THE RELEASE WAS STOPPED BY CLOSING THE BLEEDER VALVES. THE GASKETS WERE INSPECTED AND THE BLIND FLANGES WERE REINSTALLED. PROVER WATERDRAW PROCEDURES WERE REVIEWED WITH AFFECTED EMPLOYEES. . A SITE SPECIFIC PROCEDURE WAS DEVELOPED TO UTILIZE ""VALVE OPEN"" SIGNAGE FOR ANY MANUALLY OPERATED VALVES. ALL EMPLOYEES RECEIVED TRAINING ON THE SITE SPECIFIC PROCEDURE AND THE PRESSURE READINESS PROCEDURE DURING SAFETY MEETINGS CONDUCTED JULY 8 AND JULY 9, 2019. SUPPLEMENTAL/FINAL (8/02/2019): UPDATED PART A1, A2, C6, AND PART H NARRATIVE