SUNOCO PIPELINE L.P.

hazardous_liquid Incident —

Incident Information

Report Date
OperatorSUNOCO PIPELINE L.P.
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.48248, -94.83910

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

THE SPILL WAS A RESULT OF A 3/4"" RELIEF VALVE DISCHARGE LINE. THE RELIEF VALVE DISCHARGED INTO A 3/4"" LINE THAT WENT UNDERGROUND TO A 3/4"" BRANCH TEE. THE TEE WAS PLUGGED ON ONE SIDE AND THE OTHER SIDE WENT TO A 2"" DRAIN SYSTEM THAT RELIEVES DIRECTLY INTO THE TANK AT TEXOMA. THE PIPE ENTERING INTO THE BRANCH OF THE TEE BROKE DUE TO SOIL STRESS. THE AREA HAD BEEN EXCAVATED IN JANUARY 2008 DURING RE-PIPING WORK AND THE SETTLING OF THE SOIL SINCE THEN CAUSED UNDUE STRESS ON THE CONNECTION. THE RELIEF VALVE AND PIPING WERE REPLACED. RE-SUBMITTED ON 3/27/2013 TO INCLUDE PART E5F PER PHMSA REQUEST.

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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