ENERGY TRANSFER COMPANY — Gas transmission and gathering — incident on 2018-09-10

Gas transmission and gathering incident in ALIQUIPPA, BEAVER County, PA. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 40000 NATURAL GAS released, $6,704,700 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20180100.

Operator ID: 32099.

Reported incident date: 9/10/2018 5:21.

Location detail: 1115+09

Cause detail: HEAVY RAINS/FLOODS

Cause detail: ON SEPTEMBER 10, 2018 AT 05:17 AM (EASTERN), ENERGY TRANSFER OPERATIONS WAS NOTIFIED BY AN OFF DUTY EMPLOYEE OF A POSSIBLE LANDSLIDE, PIPELINE RUPTURE AND FIRE NEAR THE REVOLUTION 24" PIPELINE RIGHT OF WAY. GAS CONTROL WAS NOTIFIED AND VERIFIED A PRESSURE LOSS ON THE REVOLUTION 24" PIPELINE. THIS PIPELINE IS AN INTRASTATE GAS GATHERING PIPELINE LOCATED IN A CLASS 3 AREA NEAR CENTER TOWNSHIP, PA. IN BEAVER COUNTY. AT 05:26 AM (EASTERN), PENNSYLVANIA 911 OPERATOR NOTIFIED ENERGY TRANSFER GAS CONTROL OF A PIPELINE RUPTURE AND FIRE IN THE GENERAL AREA OF IVY LANE IN CENTER TOWNSHIP. THE PENNSYLVANIA PUC WAS NOTIFIED AT 05:47 AM (EASTERN) AND NRC WAS NOTIFIED AT 07:07 AM (EASTERN) UNDER INCIDENT# 1224150, WITH THE 48 HOUR FOLLOW UP NOTIFICATION TO THE NRC MADE ON SEPTEMBER 11TH AT 04:31 PM (EASTERN), INCIDENT # 1224314. AT 05:24 AM (EASTERN), THE ETC OPERATIONS MANAGER DIRECTED ETC PIPELINE TECHNICIANS TO CLOSE THE MAIN LINE VALVES AT FREEDOM CRIDER ROAD, BROADHEAD ROAD, AND NEWMAN ROAD TO BEGIN TO ISOLATE THE PIPELINE SEGMENT. THE ISOLATION VALVE AT THE REVOLUTION CRYOGENIC PLANT WAS CLOSED AT 6:36 AM (EASTERN) TO COMPLETE THE LINE ISOLATION. THE LINE SEGMENT DEPRESSURIZED AT THE RUPTURE LOCATION. THERE WERE NO INJURIES, HOSPITALIZATIONS, OR FATALITIES. FORTY-NINE NEARBY RESIDENTS WERE EVACUATED. THE INVESTIGATION TO DETERMINE THE CAUSE OF THE FAILURE IS ONGOING, BUT PRELIMINARY RESULTS INDICATE THAT A LAND SLIDE OCCURRED NEAR THE RUPTURE SITE AS A RESULT OF MULTIPLE DAYS OF HEAVY RAIN PRECEDING THE EVENT. THE FAILED SECTION HAS BEEN SENT TO A THIRD PARTY LABORATORY FOR METALLURGICAL TESTING. ** UPDATE 3/29/2019 ** ~THE TIMES IN THE NARRATIVE ABOVE AND THROUGHOUT THE DOCUMENT HAVE BEEN CHANGED TO REFLECT THE LOCAL TIME OF THE INCIDENT AS EASTERN TIME ZONE. ~THE LINE HAS NOT BEEN PLACED IN SERVICE. ~ THE CAUSE OF THE INCIDENT WAS CHANGED FROM G8 / UNDER INVESTIGATION TO G2 / NATURAL FORCE DAMAGE. THERE WERE THREE DAYS OF HEAVY RAIN ASSOCIATED WITH TROPICAL STORM GORDON JUST PRIOR TO THIS EVENT. THIS RAIN IN CONJUNCTION WITH THE RAIN IN THE PREVIOUS 2.5 MONTHS TOTALED OVER 14 INCHES OF RAIN IN THE AREA. ** UPDATE 8/19/2019** ENERGY TRANSFER CONTINUES TO WORK WITH THE PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION ON APPROVAL OF STABILIZATION AND E&S PLANS. ENERGY TRANSFER HAS ALSO WORKED CLOSELY WITH THE PENNSYLVANIA PUBLIC UTILITY COMMISSION IN PROVIDING ESSENTIAL DATA THE COMMISSION HAS REQUESTED. NO DATE FOR COMPLETION AT THIS TIME. ** UPDATE 2/20/2020** THE TIMES INCLUDED IN THE NARRATIVE WERE CLARIFIED TO BE EASTERN TIME ZONE. REFERENCE TO CENTRAL TIME ZONE WAS REMOVED. **FINAL REPORT 3/1/2021** FINAL COSTS AND OTHER PERTINENT INFORMATION CONTAINED IN THIS REPORT HAVE BEEN REVIEWED AND ALL INFORMATION IS COMPLETE AND FINAL. ETC RECEIVED APPROVAL FROM PA DEP IN SEPTEMBER 2020 TO REROUTE THE PIPELINE AND THIS WORK WAS COMPLETED IN NOVEMBER 2020. CURRENTLY, THE PIPELINE IS MECHANICALLY COMPLETE AND WILL BE COMMISSIONED IN MARCH 2021.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: NATURAL FORCE DAMAGE — HEAVY RAINS/FLOODS.

PHMSA indexed costs: $7,011,146 reported total cost, $3,431,166.524 in 1984 dollars, $8,242,556.958 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.