VECTREN ENERGY DELIVERY OF OHIO — Gas transmission and gathering — incident on 2015-05-13

Gas transmission and gathering incident in Not Within a Municipality, SHELBY COUNTY County, OH. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 9229 NATURAL GAS released, $69,630 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: 20150088.

Operator ID: 31470.

Reported incident date: 5/13/2015 1:14.

Location detail: Z-167-155

Cause detail: DAMAGE BY CAR, TRUCK, OR OTHER MOTORIZED VEHICLE/EQUIPMENT NOT ENGAGED IN EXCAVATION

Cause detail: A PASSENGER VEHICLE TRAVELING SOUTH ON PATTERSON HALPIN ROAD FAILED TO NEGOTIATE A CURVE AND LEFT THE ROADWAY TRAVELING APPROXIMATELY 200 FEET BEFORE DRIVING THROUGH A CHAIN-LINK FENCE ENCLOSURE AND STRIKING VECTREN'S ABOVE GROUND TRANSMISSION VALVE SETTING. THE VEHICLE DENTED THE 12 INCH PIPELINE AND SHEARED OFF THE 4 INCH VALVE BLOW DOWN STACK ATTACHED TO THE TOP OF IT RESULTING IN A RELEASE OF NATURAL GAS. VECTREN PERSONNEL ISOLATED THE DAMAGED SECTION OF PIPING, CLOSING THE VALVES UPSTREAM AND DOWNSTREAM OF THE SITE, ALLOWING THE RESIDUAL LINE PACK GAS TO VENT TO ATMOSPHERE. REMEDIATION INCLUDED REPLACING THE DENTED SECTION OF 12 INCH PIPELINE, REPLACING THE VALVE BLOW DOWN STACK, REPLACING THE DAMAGED SECTION OF CHAIN-LINK FENCE ENCLOSURE AND RESTORING THE SITE. AS CONTRACTOR REPAIR AND LABOR COSTS WERE ACCUMULATED, THE TOTAL AMOUNT EXCEEDING THE $50,000 IN DAMAGES REPORTING THRESHOLD WAS REALIZED 18 DAYS AFTER THE INCIDENT OCCURRED. THE VOLUME OF UNINTENTIONALLY RELEASED GAS WAS INVESTIGATED AND CALCULATED SOON AFTER THIS TIME FRAME AND VERIFIED IT MET THE REPORTING CRITERIA ALSO. THE INCIDENT WAS REPORTED TO THE APPROPRIATE REGULATORY CONTACTS ONCE THE REPAIR COSTS WERE SUBSTANTIATED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: OTHER OUTSIDE FORCE DAMAGE — VEHICLE NOT ENGAGED IN EXCAVATION.

PHMSA indexed costs: $110,779 reported total cost, $67,635.037 in 1984 dollars, $134,114.271 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.