ATMOS PIPELINE - TEXAS — Gas transmission and gathering — incident on 2012-08-28

Gas transmission and gathering incident in MCKINNEY, COLLIN County, TX. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 1500 NATURAL GAS released, $50,000 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: 20120098.

Operator ID: 31978.

Reported incident date: 8/28/2012 8:30.

Location detail: 151+98

Cause detail: EXCAVATION DAMAGE BY OPERATOR'S CONTRACTOR (SECOND PARTY)

Cause detail: EXCAVATION ISSUE

Cause detail: IMPROPER EXCAVATION PRACTICE NOT LISTED ABOVE

Cause detail: CONTRACTOR WAS USING A CATERPILLAR 324E TRACKHOE TO EXCAVATE A TAIL DITCH TO PULL PIPE THROUGH A BORE AT STATE HWY 5 AT SPUR 339 IN MCKINNEY, TEXAS. DURING THE EXCAVATION, A 6 INCH HIGH PRESSURE STEEL COMPANY MAIN WAS DAMAGED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — OPERATOR/CONTRACTOR EXCAVATION DAMAGE.

PHMSA indexed costs: $632,500 reported total cost, $335,450.714 in 1984 dollars, $818,377.775 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.