ENBRIDGE ENERGY, LIMITED PARTNERSHIP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENBRIDGE ENERGY, LIMITED PARTNERSHIP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates44.83904, -84.37480

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

ON NOVEMBER 28, 2017 AT APPROXIMATELY 12:40 EST, SHEEN WAS OBSERVED ON POOLED WATER IN THE EXCAVATION SITE FOR AN INTEGRITY DIG ON LINE 5 AT MP 1549.67. THE PIPELINE WAS IMMEDIATELY SHUTDOWN AS A PRECAUTION. THE EXCAVATION AREA WAS EVACUATED AND PLM AND ENVIRONMENTAL SUPPORT CREWS WERE DISPATCHED TO INVESTIGATE. INVESTIGATION CONCLUDED THAT THE SHEEN WAS A PETROLEUM PRODUCT. NDE WAS ORDERED AND EXECUTED ON NOVEMBER 29, 2017. AT 11:30 EST, THE DETERMINATION WAS MADE THAT A THROUGH-WALL FEATURE EXISTED AT A GIRTH WELD IN THE EXCAVATION WHICH CORRELATED THE SHEEN WITH THE PIPELINE. THE NRC WAS NOTIFIED (REPORT # 1198339) DUE TO THE POTENTIAL COSTS EXCEEDING REPORTABLE THRESHOLDS. A SLEEVE WAS INSTALLED AND THE SITE WAS RESTORED. LINE 5 WAS RESTARTED AT 23:26 EST ON NOVEMBER 29, 2017. THE ACTUAL VOLUME RELEASED AT MP 1549.67 WAS 0.0001 BARRELS. THE PHMSA PORTAL DOES NOT RECOGNIZE VOLUMES LESS THAN 0.01 BARRELS THEREFORE THAT IS THE VOLUME ENTERED.

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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