SFPP, LP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorSFPP, LP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates37.99530, -121.76954

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

WHILE CONDUCTING SCHEDULED BLOCK VALVE EXERCISES ON LS-90/50/60 (CONCORD TO FRESNO), THE MAINTENANCE CREW DISCOVERED A STAIN AROUND THE WILLOW PASS BLOCK VALVE IN THE CITY OF ANTIOCH, CA., MEASURING APPROXIMATELY 4.5' IN DIAMETER. THE BURIED PORTION OF THE VALVE WAS EXCAVATED AND IT WAS DETERMINED THAT THE LEAK WAS COMING FROM A THREADED PLUG IN THE BONNET OF THE VALVE. THIS PORTION OF THE LINE WAS ISOLATED AND THE PLUG WAS REMOVED AND REPLACED. THE PLUG WAS FOUND TO HAVE LITTLE TO NO TEFLON TAPE LEFT ON THE THREADS. A NEW PLUG WAS INSTALLED AND SUCCESSFULLY HELD TEST PRESSURE DURING BOTH AN HOUR LONG STATIC TEST AND HOUR LONG RUNNING 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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