GULF SOUTH PIPELINE COMPANY, LLC

Incident Narrative

ON 8/20/2020 AT 07:40, GULF SOUTH GAS CONTROL RECEIVED CALL FROM LANDOWNER REGARDING SUSPECTED SMELL OF GAS. GAS CONTROL CONTACTED LOCAL OPERATIONS PERSONNEL. AT 08:40 OPERATIONS PERSONNEL CONFIRMED GAS SMELL AND PROBABLE LEAK ON AND NEAR GULF SOUTH ASSETS. GULF SOUTH LOWERED THE PRESSURE ON THE PIPELINE BY 20% OF OPERATING PRESSURE (FROM 262 PSIG TO 209 PSIG) PRIOR TO EXCAVATION DUE TO PIPELINE HAVING KNOWN DRESSER COUPLES AS CONNECTORS. AT 08:45, A CONTRACTOR WAS CONTACTED TO EXCAVATE POTENTIAL LEAK SITE. AT 09:03 LA HAZMAT WAS CONTACTED TO REPORT POTENTIAL LEAK. AT 09:30 IT WAS CONFIRMED THAT THE LEAK WAS ON GULF SOUTH'S PIPELINE AND CAUSED BY LEAKING DRESSER COUPLE. LOCAL OPERATIONS PERSONNEL CONTACTED GAS CONTROL AT 09:45 TO INFORM THAT REPAIRS WOULD EXCEED $50,000 DUE TO TYPE OF REPAIR NEEDED. AT 10:13, GAS CONTROL CONTACTED NRC TO REPORT LEAK EXCEEDING $50,000 COST TO REPAIR. ON 8/31/20 THE LEAK WAS STOPPED BY ISOLATING SECTION OF PIPELINE WITH STOPPLE FITTING AND BLOWING DOWN GAS. A TYPE 220 WELD OVER SLEEVE WAS INSTALLED AND THE LINE WAS RETURNED TO SERVICE. TEMPORARY GAS SUPPLY WAS UTILIZED TO PREVENT LOSS OF SERVICE TO CUSTOMERS.