ENBRIDGE PIPELINES (EAST TEXAS) L.P. — Gas transmission and gathering — incident on 2012-04-13

Gas transmission and gathering incident in CANTON, VAN ZANDT County, TX. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 1185 NATURAL GAS released, $15,350 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: 20120047.

Operator ID: 31613.

Reported incident date: 4/13/2012 12:58.

Location detail: HWY. 17

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: NOTIFICATION ISSUE

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

Cause detail: MORROW CONSTRUCTION (DANIEL MORROW 903-780-5658) WAS EXCAVATING ON THE PROPERTY OF A FRIEND. THE EXCAVATOR NOR LANDOWNER HAD CALLED 811 TO REQUEST A LINE LOCATE. DURING THE EXCAVATION MORROW CONSTRUCTION HIT ENBRIDGE'S 12.750' .219 X42 PIPELINE. THE EXCAVATOR CALLED ENBRIDGE'S GAS CONTROL IN HOUSTON AT 12:58 PM. GAS CONTROL DID NOT SEE A DECREASE IN PRESSURE ON LINES IN THE AREA OF DAMAGE. FIELD PERSONNEL WERE NOTIFIED AT 1:05 PM TO INVESTIGATE; FIELD PERSONNEL ARRIVED ON LOCATION AT 2:00 PM AND CONFIRMED THAT THE ENBRIDGE LINE HAD BEEN HIT. THE LINE WAS BLOCKED IN AND BLOWN DOWN BY 4:50 PM. REPAIRS WERE MADE ON 4-14-12 AND THE LINE WAS PUT BACK IN SERVICE 4:35 PM.

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $27,815 reported total cost, $18,124.232 in 1984 dollars, $33,017.798 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.