PIEDMONT NATURAL GAS CO INC — Gas transmission and gathering — incident on 2022-12-13

Current as of 2022-12-13 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Gas transmission and gathering incident in OAKBORO, STANLY County, NC. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 2923 NATURAL GAS released, $656,018 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: 20230003.

Operator ID: 15518.

Reported incident date: 12/13/2022 17:20.

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: EXCAVATION ISSUE

Cause detail: IMPROPER BACKFILLING PRACTICES

Cause detail: A CONTRACTOR INSTALLING A LARGE DIAMETER WATER LINE STRUCK A 6" HIGH PRESSURE TRANSMISSION GAS LINE WITH A BACKHOE. THE DAMAGE RESULTED IN 3,229 CUSTOMER OUTAGES. THE USE OF MECHANIZED EQUIPMENT IN THE TOLERANCE ZONE & EXCAVATOR FAILED TO SUPPORT AND PROTECT FACILITIES.

PHMSA trend classification: significant incident, not serious.

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

PHMSA indexed costs: $699,047 reported total cost, $304,724.368 in 1984 dollars, $735,915.221 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.

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.