MID - VALLEY PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMID - VALLEY PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates40.70502, -84.12333

Cause

CauseINCORRECT OPERATION
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 10/04/24 AT APPROXIMATELY 18:00, A SMALL FLASH FIRE OCCURRED AT LIMA MVPL TANK 113 WHILE WELDING TO INSTALL A FABRICATED ASSEMBLY IN ORDER TO AFFECT A PRESSURE TEST THE 20-INCH ASHLAND SPUR LINE. TACK WELDS WERE COMPLETED ON THE ASSEMBLY AND AS CONTRACT CREW WAS BEGINNING THE WELD ROOT PASS A QUICK FLASH OCCURRED DUE TO VAPORS PASSING MUD PLUG. LINE IS NON-PIGGABLE AND DEPENDENT ON DRAIN UP TO EVACUATE LINE. OPERATIONS HELD A SAFETY STAND DOWN AFTER THE FLASHFIRE. COLD CUT TACK WELDS TO REMOVE FABRICATED ASSEMBLY FOR INSPECTION AND ALSO, INSPECTED THE 20-INCH SPUR LINE. AFTER SATISFACTORY INSPECTION, PROCEEDED WITH INSTALLATION OF FABRICATED ASSEMBLY AND PRESSURE TEST.

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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