ENBRIDGE ENERGY, LIMITED PARTNERSHIP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENBRIDGE ENERGY, LIMITED PARTNERSHIP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates46.68329, -92.05718

Cause

CauseOTHER ACCIDENT CAUSE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON FEBRUARY 1, 2016 AT APPROXIMATELY 11:00 AM CST, ENBRIDGE SUPERIOR PIPELINE MAINTENANCE (PLM) PERSONNEL WERE REMOVING A DECOMMISSIONED FILL LINE FOR TANK 1 AT THE SUPERIOR TERMINAL. WHILE COLD CUTTING THE PIPE INTO SMALLER SECTIONS FOR REMOVAL, A RELEASE OF CRUDE OIL OCCURRED AND OVERFILLED THE SECONDARY CONTAINMENT TUB AND FLOWED INTO AND REMAINED WITHIN THE EXCAVATION LIMITS OF THE PROJECT. PLM PERSONNEL IMMEDIATELY USED THE ON-SITE VAC TRUCK TO BEGIN CLEANING UP THE OIL. TOTAL VOLUME RELEASED WAS CALCULATED TO BE 104 BARRELS, OF WHICH 71.4 BARRELS REACHED THE GROUND. THE PRELIMINARY INVESTIGATION HAS DETERMINED THAT VERBAL DIRECTION WAS GIVEN AT THE BEGINNING OF THE JOB, A WEEK PRIOR, TO ENSURE THE PIPE WAS FREE OF RESIDUAL OIL. THIS WAS COMPLETED FOR THE FIRST 80 FOOT SECTION BUT NOT FOR THE REMAINING 650 FEET OF THE PIPE TO BE DECOMMISSIONED. THE REMAINING PIPE HAS SINCE BEEN REMOVED FROM THE EXCAVATION, AND IS WAITING TO BE DISPOSED OF. APPROXIMATELY 104 YARDS OF CONTAMINATED SOIL HAS BEEN DISPOSED OF AT AN APPROVED LANDFILL.

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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