QUESTAR PIPELINE COMPANY

gas_transmission Incident — — April 17, 2013

Incident Information

Incident DateApril 17, 2013
OperatorQUESTAR PIPELINE COMPANY
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates40.99117, -108.07376

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$200
Emergency Response$200
Other Costs$0

Location Map

Incident Narrative

ON APRIL 17, 2013 STATELINE COMPRESSOR STATION WENT INTO AN ESD AT 04:05. GAS CONTROL NOTED THE ALARM AND DISPATCHED AN OPERATIONS EMPLOYEE TO THE STATION. WHEN OPERATIONS ARRIVED THEY NOTED THAT THE SUCTION ESD VALVE DID NOT CLOSE. OPERATIONS CLEARED THE ESD AND RESET THE SYSTEM, ENABLING THE ESD VENT VALVE TO CLOSE, WHICH STOPPED THE VENTING GAS. OPERATIONS THEN WORKED ON THE SUCTION ESD VALVE ACTUATOR AND REPAIRED IT, WHICH ENABLED IT TO CLOSE. THE EVENT WAS REPORTED TO THE NRC AT 15:06 ON APRIL 17, 2013. THE WESTERN REGION OF PHMSA AND COLORADO STATE PSC WERE ALSO NOTIFIED.

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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