SUNOCO PIPELINE L.P.

hazardous_liquid Incident —

Incident Information

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

Location

State
Coordinates29.78732, -94.40156

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

DURING A ROUTINE STATION INSPECTION ON 12/6/2016 OPERATION PERSONNEL NOTICED A SMALL LEAK FROM A FLANGE CONNECTION ON STATION PIPING. THE STATION HAS BEEN DOWN FOR APPROXIMATELY TWO MONTHS TO FACILITATE MODIFICATIONS TO STATION PIPING. RCA REVEALED THAT A VALVE HAD BEEN CLOSED DOWNSTREAM OF THE TANK VALVE WHICH CREATED A 25 FOOT SECTION OF PIPING WITHOUT THERMAL RELIEF. THE LINE OVERPRESSURED RESULTING IN A 10 GALLON RELEASE FROM THE FLANGE GASKET. THE GASKETS ON THIS SECTION OF PIPING WERE REPLACED AND THE FLANGES WERE RETORQUED. CONTAMINATED SOIL WAS REMEDIATED ONSITE. TO PREVENT FUTURE RECURRENCE OF SIMILAR ACTION THE EMPLOYEE'S OQ WAS SUSPENDED FOR THE COVERED TASK, RETRAINING TOOK PLACE AND THE EMPLOYEE WAS REQUALIFIED. TX RRC WAS NOTIFIED OF THE RELEASE AND INCIDENT NO. 1490 WAS ASSIGNED.

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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