GULF SOUTH PIPELINE COMPANY, LLC

Incident Narrative

ON 4/23/2021, GULF SOUTH RESPONDED TO AN EMERGENCY ONE-CALL TICKET FROM ITS CUSTOMER, CENTERPOINT. CENTERPOINT THOUGHT THERE WAS A LEAK ON THEIR FACILITY AND IT WAS IN CLOSE PROXIMITY TO GULF SOUTH FACILITIES. WHEN GULF SOUTH PERSONNEL ARRIVED AT APPROXIMATELY 9:15 AM, IT WAS UNCLEAR WHETHER THE LEAK WAS ON CENTERPOINT'S OR GULF SOUTH'S FACILITY. THE INDICATION LED BOTH OPERATOR PERSONNEL TO BELIEVE IT WAS A PACKING LEAK. GULF SOUTH PLACED A ONE-CALL REQUEST AND IT WAS AGREED THAT THE SITE WOULD BE EXCAVATED ON 4/28/2021 WHEN THE ONE-CALL TICKET WAS CLEAR. ON 4/28/2021 AT APPROXIMATELY 7:00 AM, THE SITE WAS EXCAVATED AND IT WAS DISCOVERED THAT GULF SOUTH'S 2"" TAP PIPE BETWEEN THE VALVE AND 10-INCH PIPELINE HAD SUSTAINED A CRACK IN THE THREADS. IT IS BELIEVED THAT THIS RESULTED FROM A TREE HAVING FALLEN ON CENTERPOINT'S ABOVE GROUND PIPING WHICH IS CONNECTED TO GULF SOUTH'S PIPELINE TAP VALVE WHICH IS UNDERGROUND. GULF SOUTH LOWERED THE PRESSURE ON ITS PIPELINE BY 20% AND MADE ARRANGEMENTS TO REPAIR. ON 5/1/2021 AT APPROXIMATELY 7:00 AM, THE VALVE WAS REMOVED FROM SERVICE AND A NEW VALVE AND PIPE WERE REPLACED. THE PIPELINE WAS RETURNED TO SERVICE ON 5/1/2021 AT APPROXIMATELY 6:00 PM. A SUPPLEMENTAL/FINAL REPORT WILL BE SUBMITTED ONCE ACTUAL COSTS CAN BE FINALIZED. 9/8/2021: UPDATE COST OF REPAIRS; CORRECTED DATE PIPELINE WAS TAKEN OUT OF SERVICE; AND ADDED DATE AND TIME PIPELINE WAS RETURNED TO SERVICE. THE DATE AND TIME PIPELINE WAS REMOVED FROM SERVICE WAS 5/2/2021 AT APPROXIMATELY 7:00 AM AND NOT 5/1/2021 AS PREVIOUSLY REPORTED. THE PIPELINE WAS RETURNED TO SERVICE THE SAME DAY.