SUNOCO PIPELINE L.P.

hazardous_liquid Incident —

Incident Information

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

Location

State
Coordinates39.84477, -75.41853

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

ON FRIDAY, 5/27/2016 AT 13:04, A HIGH-HIGH LEL ALARM CONDITION TRIGGERED A FACILITY LOCKOUT AT TWIN OAKS METER STATION AND PIELINE SHUT DOWN. EVENT NOTIFICATION WAS SENT TO SUPERVISION AND FIELD PERSONNEL WERE DISPATCHED TO INVESTIGATE. LEAK WAS DISCOVERED AT THE RECEIVING PIG TRAP DOOR. RESPONSE INCLUDED ISOLATION OF THE PIG TRAP AND FLARING OF THE REMAINING PRODUCT CONTAINED IN THE PIG TRAP. WHEN PURGED AND MADE SAFE TO OPEN, THE PIG TRAP DOOR WAS ASSESSED AND IT WAS DETERMINED THAT THE O-RING DOOR SEAL HAD FAILED WHICH CAUSED THE RELEASE. A NEW O-RING WAS INSTALLED, LEAK TESTED AND THE PIPELINE WAS RETURNED TO NORMAL OPERATION.

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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