DOMINION EAST OHIO — Gas transmission and gathering — incident on 2013-07-22

Gas transmission and gathering incident in NEW FRANKLIN, SUMMIT County, OH. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 17700 NATURAL GAS released, $15,000 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: 20130077.

Operator ID: 4060.

Reported incident date: 7/22/2013 6:01.

Location detail: 35+16

Cause detail: INTERNAL CORROSION

Cause detail: ON JULY 22, 2013, AT APPROXIMATELY 6:01 A.M. AN 8" STORAGE LINE OPERATING AT 1,483 PSIG LOCATED IN NEW FRANKLIN, OHIO RUPTURED. AT APPROXIMATELY 6:30 A.M. ON JULY 22, 2013, DOMINION ARRIVED ON SCENE AND ISOLATED THE SECTION OF PIPELINE THAT RUPTURED AT APPROXIMATELY 7:02 A.M. THE SECTION OF PIPE THAT RUPTURED WAS CUT OUT AND SENT TO A THIRD PARTY LABORATORY, KEIFNER & ASSOCIATES, FOR A FAILURE ANALYSIS. THE ANALYSIS CONCLUDED THE CAUSE OF THE FAILURE WAS DETERMINED TO BE INTERNAL SELECTIVE SEAM WELD CORROSION (SSWC) OF THE LOW-FREQUENCY ELECTRIC-RESISTANCE WELDED (LF-ERW) SEAM.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — INTERNAL.

PHMSA indexed costs: $1,501,234 reported total cost, $798,765.114 in 1984 dollars, $1,890,915.599 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.