TEXAS EASTERN TRANSMISSION LP (SPECTRA ENERGY CORP) — Gas transmission and gathering — incident on 2012-04-13

Gas transmission and gathering incident in MARIETTA, YORK County, PA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 1 injuries, 0 released, $250,000 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: 20120048.

Operator ID: 19235.

Reported incident date: 4/13/2012 13:20.

Location detail: 1203.64

Cause detail: COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT

Cause detail: THE EMPLOYEE WAS STARTING THE UNIT. DURING THE START UP 2 OF THE UNIT'S 8 STARTING AIR CHECK VALVES WERE SLUGGISH IN CLOSING WHICH ALLOWED COMBUSTION GASSES TO ENTER THE STARTING AIR SYSTEM. A COMBUSTIBLE MIXTURE OF AIR AND AIR COMPRESSOR LUBE OIL HAD ACCUMULATED IN THE STARTING AIR SYSTEM PIPING AND WAS IGNITED BY THE COMBUSTION GASSES FROM THE UNIT. THERE WAS NO UNINTENTIONAL RELEASE OF NATURAL GAS DURING THE EVENT BUT SPECTRA ENERGY HAS JUDGED THIS TO BE A SIGNIFICANT OCCURRENCE.

PHMSA trend classification: significant incident, serious incident.

PHMSA standardized cause: EQUIPMENT FAILURE — PUMP/COMPRESSOR OR PUMP/COMPRESSOR-RELATED EQUIPMENT.

PHMSA indexed costs: $251,170 reported total cost, $132,652.061 in 1984 dollars, $325,474.683 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.