MAGELLAN PIPELINE COMPANY, LP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMAGELLAN PIPELINE COMPANY, LP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates37.80261, -96.87141

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

DURING FACILITY INSPECTION, OPERATOR OBSERVED PRODUCT ON THE GROUND BELOW THE MANIFOLD. THE AFFECTED SECTION OF PIPING WAS ISOLATED, PRESSURE WAS RELIEVED INTO A TANK, AND CLEAN UP ACTIVITIES WERE INITIATED. THE RELEASE ORIGINATED FROM A FLANGE. FURTHER INVESTIGATION REVEALED A FAULTY THERMAL RELIEF VALVE. THE THERMAL RELIEF VALVE WAS INSPECTED IN OCTOBER 2018 AND WAS LEFT WITHIN ACCEPTABLE LIMITS. AFTER THE RELEASE, THE THERMAL RELIEF VALVE WAS TESTED AND FOUND TO RELIEVE AT 304 PSIG. THE THERMAL RELIEF VALVE WAS REPLACED AND THE GASKET ASSOCIATED WITH THE LEAKING FLANGE WAS ALSO REPLACED. A LEAK TEST WAS CONDUCTED ON AFFECTED ANSI 150 ASSETS TO VERIFY INTEGRITY.

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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