SUNOCO PIPELINE L.P.

hazardous_liquid Incident —

Incident Information

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

Location

State
Coordinates36.51914, -96.15205

Cause

CauseEXCAVATION DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 5/16/2017 AT APPROXIMATELY 9AM COUNTY WORKER WAS GRADING THE DITCH ON CR 2280 AND STRUCK THE BARNSDALL 8"" PIPELINE. THE PIPELINE WAS ALREADY DOWN DUE TO SCHEDULING ON 5/15/2017 AND WAS DUE TO START UP ON 5/16/2017. THE PIPELINE MARKER WITH EMERGENCY PHONE NUMBER WAS CLEARLY VISIBLE AT THE ACCIDENT SITE AND THE GRADER OPERATOR NOTIFIED THE CONTROL CENTER BY TELEPHONE AFTER STRIKING THE LINE. THE SEGMENT WAS IMMEDIATELY ISOLATED WITH REMOTELY CONTROLLED VALVES BY THE CONTROL CENTER AND SUBSEQUENTLY ISOLATED WITH MANUAL VALVES BY COMPANY PERSONNEL AFTER ARRIVING ONSITE AT APPROXIMATELY 10AM. NRC WAS NOTIFIED ON 5/16/17 AT 10:50 (REPORT NO. 1178447). EXCAVATION OF THE LINE SEGMENT REVEALED A 4"" X 1/2"" PUNCTURE OF THE PIPE AND A PLIDCO CLAMP WAS INSTALLED TO PREVENT ADDITIONAL PRODUCT RELEASE. THE AFFECTED PIPING WAS REPLACED AND LOWERED TO 48"" AND THE PIPELINE WAS RESTARTED ON 5/23/2017. REQUIRED 48HR REVISION NRC REPORT FILED ON 5/18/17 AT 10:01 (REPORT NO. 1178640). THE MOP OF THE SYSTEM IS 750 PSIG HOWEVER THE CURRENT OPERATING LIMIT (COL) OF THE SYSTEM IS 300 PSIG ESTABLISHED TO PROTECT THE PUMP AT BARNSDALL. REMEDIATION OF THE AFFECTED SOIL WILL CONTINUE HOWEVER NO SIGNIFICANT CHANGES TO ENVIRONMENTAL COSTS ARE EXPECTED.

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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