DTE GAS COMPANY — Gas transmission and gathering — incident on 2014-02-13

Current as of 2014-02-13 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Gas transmission and gathering incident in FREDERIC, KALKASKA County, MI. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 15400 NATURAL GAS released, $378 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: 20140029.

Operator ID: 12408.

Reported incident date: 2/13/2014 23:48.

Location detail: GOOSE CREEK

Cause detail: TEMPERATURE

Cause detail: AT 00:13 ON FEBRUARY 14, 2014, A DTE KALKASKA COMPRESSOR OPERATOR NOTIFIED DTE GAS CONTROL OF A PRESSURE DROP OF 25 PSIG IN AN HOUR ON THE KALKASKA ANTRIM 20" PIPELINE AT THE GOOSE CREEK COMPRESSOR STATION. AT 00:30, THE KALKASKA COMPRESSOR OPERATOR CONTACTED GAS CONTROL AND DISPATCHED A TRANSMISSION TECHNICIAN TO THE GOOSE CREEK COMPRESSOR STATION. AT 00:45 DTE GAS CONTROL RECEIVED A CALL FROM A GREAT LAKES GAS CONTROLLER STATING THAT THEY HAD RECEIVED A 911 CALL FROM THE KALKASKA FIRE DEPARTMENT OF GAS BLOWING AT A STATION ON COUNTY ROAD 612. AT 01:25, THE DTE TECHNICIAN ARRIVED AND DETERMINED THE PILOT SENSING LINE TO THE 3"X 4" AXELSON RELIEF VALVE WAS FROZEN SHUT CAUSING THE RELIEF VALVE TO OPEN AS DESIGNED. THE TECHNICIAN CLOSED VALVE #GC1 AND VALVE #GC2 TO ISOLATE THE STATION FROM THE KALKASKA ANTRIM 20" PIPELINE. THE TECHNICIAN THEN CLOSED THE RELIEF VALVE TO ELIMINATE THE GAS RELEASE. AT 01:45 THE TECHNICIAN OPENED BYPASS VALVE #GC3 AND GAS FLOW WAS RESTORED TO GREAT LAKES AND CMS ENERGY AT APPROXIMATELY 02:00.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: NATURAL FORCE DAMAGE — TEMPERATURE.

PHMSA indexed costs: $72,215 reported total cost, $49,793.488 in 1984 dollars, $61,691.486 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.