TEXAS GAS TRANSMISSION LLC

gas_transmission Incident —

Incident Information

Report Date
OperatorTEXAS GAS TRANSMISSION LLC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates32.96000, -92.52000

Cause

CauseNATURAL FORCE DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON 02-04-2011, AT APPROXIMATELY 5:30 AM, AN ESD BLOW DOWN VALVE OPENED UNINTENTIONALLY DUE TO ICING OF THE PILOT CONTROL AND VALVE. THE VALVE VENTED FOR APPROXIMATLEY 31 MINUTES. AN INSPECTION OF THE VALVE WAS IMMEDIATLY DONE AND IT WAS DETERMINED THE PILOT HAD FROZEN. WE WERE EXPERIENCING AN ICE STORM WHEN THIS OCCURRED. THE PRESSURE ON THE DISCHARGE HEADER WAS 725 PSIG. THE MAOP IS 810 PSIG AT THIS LOCATION. THE PILOT WAS REPLACED AND THE PIPELINE SYSTEM WAS RETURNED TO NORMAL OPERATIONS. ADDED DATA TO PART E5.F AS REQUESTED BY PHMSA.

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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