"ENBRIDGE ENERGY, LIMITED PARTNERSHIP"

hazardous_liquid Incident — — February 13, 2017

Incident Information

Incident DateFebruary 13, 2017
Operator"ENBRIDGE ENERGY, LIMITED PARTNERSHIP"
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates46.60222, -92.24720

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$4,407
Emergency Response$1,356
Other Costs$0

Location Map

Incident Narrative

"ON FEBRUARY 13, 2017 AT APPROXIMATELY 11:30AM CST, THE SUPERIOR PIPELINE MAINTENANCE (PLM) CREW WAS COMPLETING THE FINAL 2 INCH TAPS ON LINE 1 AT THE MILITARY ROAD DENSITOMETER VALVE SITE, MP 1087. THE CREW HAD COMPLETED THE DRILLING AND WAS IN THE PROCESS OF BACKING OUT THE DRILL BIT WHEN THE TDW 101 TAPPING MACHINE FEED TUBE WAS DISLODGED FROM THE UNIT. THE DRILL BIT WAS STILL IN THE PIPE, BUT CAME UP ENOUGH, ALLOWING THE SANDWICH VALVE TO BE CLOSED. WHEN THE TAPPING MACHINE TOOL FAILED, APPROXIMATELY 35 GALLONS OF CRUDE OIL SPRAYED OUT ONTO THE SURROUNDING SNOW. THE CAUSE OF THE LEAK IS BELIEVED TO BE DUE TO THE FAILURE OF INTERNAL PARTS OF THE TAPPING MACHINE. THE TDW 101 TAPPING MACHINE HAS BEEN SENT TO TDW FOR ANALYSIS. THE CONTAMINATED SNOW WAS CLEANED UP AND PROPERLY DISPOSED OF AT AN APPROVED SITE. THERE WAS NO SOIL IMPACTED."

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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