COLUMBIA GAS OF PENNSYLVANIA INC — Gas distribution — incident on 2005-03-16

Gas distribution incident in CORAOPOLIS, ALLEGHENY County, PA. Reported cause: 9. Reported consequences: 0 fatalities, 2 injuries, $165,440 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: 20050063.

Operator ID: 2600.

Reported incident date: 3/16/2005.

Cause detail: THIRD PARTY EXCAVATION DAMAGE

Cause detail: CONTRACTOR INSTALLING CABLE IN ALLEGHENY COUNTY USING A DIRECTIONAL BORE MACHINE, HIT A 50 PSIG 2" PLASTIC NATURAL GAS MAIN CAUSING LEAKAGE. THE NATURAL GAS MIGRATED TO NEARBY RESIDENTS, 107 BERTLEY RIDGE DRIVE, WHICH IS APPROXIMATELY 50 FEET AWAY FROM THE DAMAGE LOCATION WHERE THE GAS APPARENTLY CONTACTED AN IGNITION SOURCE. SECTION 5 C (GAS LOSS) IS A PRELIMINARY ESTIMATE AND IS SUBJECT TO CHANGE.

PHMSA trend classification: significant incident, serious incident, not fire-first.

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

PHMSA indexed costs: $165,440 reported total cost, $99,828.456 in 1984 dollars, $245,599.226 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.