TENNESSEE GAS PIPELINE COMPANY

gas_transmission Incident —

Incident Information

Report Date
OperatorTENNESSEE GAS PIPELINE COMPANY
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates34.35555, -89.99042

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

AT 5:37 PM A LOCAL RESIDENT CONTACTED, BY PHONE, A TGP LINE PATROLLER TO REPORT A SUSPECTED LEAK. THE LEAK WAS CONFIRMED ONSITE AND COMPANY EMERGENCY RESPONSE PROCEDURES WERE IMPLEMENTED AT 6:05 P.M. THE VALVE SECTION 63-1BL TO 64-1 WAS ISOLATED BY 6:21 P.M., BLOWN DOWN, AND THE LEAK SITE WAS SECURED. A SECTION OF THE PIPE INCLUDING THE LEAK LOCATION WAS CUT OUT AND SHIPPED BY TGP PERSONNEL TO ANDERSON AND ASSOCIATES IN HOUSTON, TEXAS FOR METALLURGICAL EVALUATION. THE SECTION OF PIPELINE REMOVED WAS REPLACED AND THE PIPELINE SEGMENT WAS PLACED BACK INTO SERVICE ON JANUARY 30, 2018 AT 11:05 P.M CORRECTIVE ACTION: PRIOR TO RETURN TO SERVICE, PIPE WITH CIRCUMFERENTIAL CRACKING AND THE REMAINING SAG WRINKLE BENDS IN THE VICINITY WHERE REMOVED AND REPLACED WITH COMMENSURATE PIPING FOR THE LOCATION. POST COMPLETION OF STARTUP OPERATIONS CONDUCTED A GAS LEAK SURVEY OVER THE ENTIRE VALVE SECTION. NO PUBLIC AND NON-OPERATOR PRIVATE PROPERTY DAMAGE WERE INCURRED WITH THIS INCIDENT.

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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