PUBLIC SERVICE CO OF COLORADO — Gas transmission and gathering — incident on 2015-04-13

Gas transmission and gathering incident in Not Within a Municipality, SAGUACHE County, CO. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 4430 NATURAL GAS released, $8,000 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: 20150060.

Operator ID: 15931.

Reported incident date: 4/13/2015 12:50.

Location detail: 1494+13

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: NOTIFICATION ISSUE

Cause detail: NO NOTIFICATION MADE TO THE ONE-CALL CENTER/811

Cause detail: ON APRIL 13 A THIRD PARTY EXCAVATOR DAMAGED A 8' TRANSMISSION LINE NEAR THE TOWN OF SAGUACHE, CO. THE EXCAVATOR WAS PERFORMING DRAINAGE WORK FOR THE COUNTY ROAD, AND NO LOCATE TICKET WAS REQUESTED. THE INCIDENT WAS IDENTIFIED BY SCADA CONTROLLERS, AND THE LINE WAS ISOLATED BY MANUALLY-OPERATED MAINLINE VALVES. THERE WERE NO INJURIES AND THE GAS DID NOT IGNITE.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE.

PHMSA indexed costs: $25,527 reported total cost, $19,839.332 in 1984 dollars, $29,935.01 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.