TENNESSEE GAS PIPELINE CO (EL PASO)

gas_transmission Incident — — September 21, 2011

Incident Information

Incident DateSeptember 21, 2011
OperatorTENNESSEE GAS PIPELINE CO (EL PASO)
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates37.89877, -84.06594

Cause

CauseEXCAVATION DAMAGE
SubcausePREVIOUS DAMAGE DUE TO EXCAVATION ACTIVITY

Casualties

Fatalities0
Injuries0

Costs

Property Damage$600
Emergency Response$1,000
Other Costs$0

Location Map

Incident Narrative

TENNESSEE GAS PIPELINE (TGP) COMPANY'S GAS CONTROL BEGAN RECEIVING PHONE CALLS FROM LAND OWNERS ABOUT A PIPELINE RUPTURE IN THE COMMUNITY OF TRAPP NEAR CLAY CITY, KY, SHORTLY AFTER MIDNIGHT ON SEPTEMBER 21, 2011. RESPONDING TGP PERSONNEL DISCOVERED THAT A FAILURE HAD OCCURRED IN THE HOWARD CREEK CROSSING ON LINE 100-2 AT 105-2+3.70. POST INCIDENT INVESTIGATION REVEALED THAT EXCAVATION EQUIPMENT HAD BEEN USED A FEW DAYS PRIOR TO THE INCIDENT AT THE CREEK CROSSING. MARKS ON THE PIPE INDICATED STRIKES BY THE EXCAVATION EQUIPMENT, LEAVING GOUGES ON THE PIPE'S SURFACE. METALLURGICAL ANALYSIS CONFIRMED THE INITIAL FIELD CONCLUSION THAT THE FAILURE RESULTED FROM MECHANICAL DAMAGE TO THE PIPE. THE FAILED PIPELINE HAS NOT BEEN REPAIRED. SINCE IT IS NOT NEEDED FOR MAINTAINING SERVICE UNDER CURRENT LOAD DEMANDS, REPAIR IS DELAYED UNTIL OPPORTUNITY FOR FAVORABLE WEATHER.

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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