GULF SOUTH PIPELINE COMPANY, LLC

Incident Narrative

ON 8/27/2020 AT 19:58, GULF SOUTH RECEIVED REPORT OF A POSSIBLE LEAK DUE TO AIR PATROL OBSERVING BUBBLES IN THE FLOODED STORM SURGE IN CREOLE, LA. GULF SOUTH ACQUIRED A HELICOPTER TO FLY PERSONNEL TO THE SITE AS SOON AS POSSIBLE; ATTEMPTS TO ACCESS THE LOCATION WERE MADE ON 8/28/2020 AT 07:00 AND 13:00 BUT WERE UNSUCCESSFUL DUE TO STORM SURGE FLOODING AND AREA BEING UNDER WATER. ON 8/29/2020, LOCAL OPERATIONS MANAGEMENT NOTIFIED LA HAZMAT AT 08:38. THE LEAK WAS VERIFIED AND WAS LIKELY ON GULF SOUTH'S PIPELINE ALTHOUGH THE SITE STILL COULD NOT BE REACHED. THE 20"" MAIN LINE (INDEX 195) WAS SHUT IN AND THE SECTION WAS ISOLATED. THE ONLY CUSTOMER SERVED BY THIS PIPELINE, CENTERPOINT, WAS NOTIFIED. ON 8/31/2020 THE LEAK WAS CHECKED AGAIN AND PERSONNEL WERE ABLE TO ACCESS THE 6"" TAP VALVE AND CLOSE IT AT 11:00. BY 9/1/2020 AT 08:30, THE LEAK HAD SUBSIDED. TO DATE, THE AREA REMAINS INACCESSIBLE FOR EVALUATION. ONCE SITE BECOMES ACCESSIBLE FURTHER EVALUATION WILL BE DONE AND A SUPPLEMENTAL REPORT WILL BE SUBMITTED. THE RESPONSE PROVIDED TO PART E, QUESTION 1A SHOULD ACTUALLY BE .133 MCF; HOWEVER, THE PORTAL WILL NOT ALLOW A VALUE LESS THAN 1, THEREFORE, 1 IS THE PROVIDED RESPONSE. 1/5/2021 UPDATE FOR FINAL REPORT INCLUDING CHANGE REQUESTED BY PHMSA, COST, LEAK TYPE. GULF SOUTH WAS ABLE TO ACCESS THE SITE ON 11/12/2020; EXCAVATED VALVE SITE AND DISCOVERED A BROKEN BODY BLEED ON A VALVE. THE VALVE WAS FLANGED ON THE PIPELINE SO GULF SOUTH REMOVED THE VALVE AND BOLTS AND BLIND FLANGED THE TAP FLANGE ON THE PIPELINE.