"MAGELLAN PIPELINE COMPANY, LP"

hazardous_liquid Incident — — June 5, 2020

Incident Information

Incident DateJune 5, 2020
Operator"MAGELLAN PIPELINE COMPANY, LP"
CommodityREFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID
Pipeline Typehazardous_liquid

Location

State
Coordinates44.88619, -97.08681

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$3,000
Emergency Response$22,000
Other Costs$0

Location Map

Incident Narrative

"ON JUNE 5, 2020 AT 12:30, A MAGELLAN CONTRACTOR WORKING IN THE WATERTOWN FACILITY SMELLED A PETROLEUM ODOR AND NOTIFIED LOCAL OPERATIONS PERSONNEL. UPON INVESTIGATION, MAGELLAN EMPLOYEES OBSERVED PRODUCT LEAKING FROM A FAILED DRESSER COUPLER JOINT HARNESS. THE AREA WAS IMMEDIATELY ISOLATED AND CLEANUP ACTIVITIES WERE INITIATED. A VALVE ON ONE SIDE OF THE PIPE SECTION HAD BEEN REMOVED THE PREVIOUS DAY TO ISOLATE THE TANK FOR INSPECTION, LEAVING THE WEIGHT OF THE PIPE SUPPORTED BY ONLY THE DRESSER COUPLER JOINT HARNESS. THE WEIGHT OF THE PIPE CAUSED THE WELDS HOLDING THE JOINT HARNESS TO THE PIPE TO FAIL. LOCALIZED CORROSION WAS ALSO NOTED AT THE WELD AND COULD HAVE CONTRIBUTED TO WEAKENING OF THE WELDS. SUPPLEMENTAL/FINAL UPDATE (08/11/2020: PART A 9, 11 PART D 8B"

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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