SOUTHERN STAR CENTRAL GAS PIPELINE, INC — Gas transmission and gathering — incident on 2018-11-05

Gas transmission and gathering incident in Not Within a Municipality, CASS County, MO. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 69 NATURAL GAS released, $642,000 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: 20180124.

Operator ID: 31711.

Reported incident date: 11/5/2018 19:49.

Location detail: 135/2913+75

Cause detail: DAMAGE BY CAR, TRUCK, OR OTHER MOTORIZED VEHICLE/EQUIPMENT NOT ENGAGED IN EXCAVATION

Cause detail: ON 11/5/2018, AT 7:49 PM LOCAL TIME, SOUTHERN STAR CENTRAL GAS PIPELINE (SSCGP) WAS CONTACTED BY CASS COUNTY, MO, EMERGENCY RESPONDERS REPORTING A MOTOR VEHICLE ACCIDENT THAT IMPACTED FACILITIES POSSIBLY BELONGING TO SSCGP. IT WAS A SINGLE CAR ACCIDENT AND THE SINGLE OCCUPANT WAS NOT INJURED. THERE WERE NO OTHER INJURIES RELATED TO THIS ACCIDENT. THERE WERE NO CUSTOMERS IMPACTED OR NOTICEABLE PRESSURE LOSS IN THIS AREA. THERE WAS DAMAGE TO ABOVE GROUND FACILITIES INCLUDING THE FENCING, PIG LAUNCHER, VARIOUS ABOVE GROUND PIPING, BLOW-OFF VALVES AND DAMAGE TO LINE XT MAINLINE GATE VALVE MAKING IT INOPERABLE AND LEAKING. LINE XT IS LISTED ON THE INCIDENT REPORT BUT THE FOLLOWING LINES WERE ALL IMPACTED AT THIS JUNCTION SETTING: XM, XMA, XT, XT-022. THE FACILITY IS LOCATED ALONG A STRAIGHT SECTION OF ROAD AND IS A FENCED ENCLOSURE THAT HAD BEEN SECURED BY LOCAL EMERGENCY RESPONDERS. THE ROAD WAS CLOSED IN BOTH DIRECTIONS AS A PRECAUTION. SSCGP PERSONNEL ARRIVED ON SITE AT 9:00 PM AND CONFIRMED THAT IT WAS A SSCGP FACILITY. IT WAS DETERMINED THAT THE NRC SHOULD BE NOTIFIED AND THE CALL WAS PLACED AT 9:55 PM ON 11/5/2018 WITH A FOLLOW-UP CALL ON 11/7/2018 AT 4:42 PM. ALL REPAIRS THAT AFFECTED OPERATION OF THE TRANSMISSION LINE WERE COMPLETED ON 11/7/2018. REPAIRS TO ABOVE GROUND FACILITIES (PIG LAUNCHER, PIPING, PAINTING, FENCING) AND SURFACE RESTORATION ARE ONGOING AND WILL BE COMPLETED AS WEATHER PERMITS.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: OTHER OUTSIDE FORCE DAMAGE — VEHICLE NOT ENGAGED IN EXCAVATION.

PHMSA indexed costs: $657,685 reported total cost, $315,393.629 in 1984 dollars, $773,621.354 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.