TENNESSEE GAS PIPELINE COMPANY

gas_transmission Incident — — January 14, 2025

Incident Information

Incident DateJanuary 14, 2025
OperatorTENNESSEE GAS PIPELINE COMPANY
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates41.32227, -79.72007

Cause

CauseNATURAL FORCE DAMAGE
SubcauseSNOW/ICE IMPACT OR ACCUMULATION

Casualties

Fatalities0
Injuries0

Costs

Property Damage$0
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

PREMATURE ACTIVATION OF RELIEF VALVE RESULTING IN GAS RELEASE OF 3.286 MMCF. RELEASE WAS REPORTABLE TO NRC/PHMSA. DISPATCHED PERSONNEL TO SITE. ENSURED RELIEF VALVE WAS RESET. MANAGER AND SUPERVISOR DID CALCULATION AND INITIATED EMERGENCY RESPONSE CALL. NO FIRE. NO INJURIES. NO EMERGENCY RESPONDERS. INVESTIGATED RELIEF VALVE. FOUND SIGNS OF MOISTURE/ICE IN THE BODY OF THE VALVE. POLAR VORTEX BROUGHT COLD ATMOSPHERIC TEMPERATURES. RELIEF VALVE WAS EXPOSED TO BELOW FREEZING TEMPERATURES. APPROXIMATELY -8 DEGREES WITH HIGH WINDS. RESULT: SUBSTANDARD CONDITIONS: EXPOSURE TO ADVERSE WEATHER CONDITION

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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