SOUTHERN STAR CENTRAL GAS PIPELINE, INC — Gas transmission and gathering — incident on 2015-04-04

Gas transmission and gathering incident in Not Within a Municipality, BUCHANAN County, MO. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 147 NATURAL GAS released, $137,944 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: 20150062.

Operator ID: 31711.

Reported incident date: 4/4/2015 7:19.

Location detail: 170/736+08

Cause detail: OTHER OUTSIDE FORCE DAMAGE

Cause detail: ON APRIL 4TH AT 7:19 AM A LOCAL LAND OWNER CALLED SSC GAS CONTROL NOTIFYING OF A POSSIBLE LEAK. THE GAS CONTROLLER NOTIFIED LOCAL OPERATIONS IMMEDIATELY AFTER, AND OPERATIONS ARRIVED ON SITE AT APPROXIMATELY 10:00 AM. ONCE ONSITE AND INSPECTED IT WAS DETERMINED AN EXCAVATION WOULD BE NECESSARY BASED ON SIZE OF THE LEAK. AT THIS TIME AN EMERGENCY ONE-CALL TICKET WAS CALLED. AN OPERATOR REMAINED ONSITE TO SECURE THE SITE. AFTER THE RISER WAS DUG UP AND INVESTIGATED ON APRIL 5TH, AT APPROXIMATELY 9:29 AM, IT WAS DETERMINED THAT THE LEAK WAS UPSTREAM OF THE DOMESTIC LINE TAP VALVE. AT THIS POINT SSC IMPLEMENTED A 20% PRESSURE REDUCTION. BECAUSE THE LINE COULD NOT BE TAKEN OUT OF SERVICE SSC NOTIFIED NRC BECAUSE OF THE REPAIR COST EXCEEDING $50,000.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: OTHER OUTSIDE FORCE DAMAGE — OTHER OUTSIDE FORCE DAMAGE.

PHMSA indexed costs: $140,784 reported total cost, $70,771.354 in 1984 dollars, $173,898.769 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.