NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.

hazardous_liquid Incident — — May 25, 2016

Incident Information

Incident DateMay 25, 2016
OperatorNUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
CommodityREFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID
Pipeline Typehazardous_liquid

Location

State
Coordinates40.48080, -97.76521

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$150
Emergency Response$2,000
Other Costs$0

Location Map

Incident Narrative

ON 5-25-16 AT APPROX. 7:40 PM A LANDOWNER CALLED A NUSTAR MAINTENANCE TECHNICIAN TO REPORT A RELEASE FROM A FLANGE AT SHICKLEY JUNCTION ON THE LINE 2 - GENEVA TO COLUMBUS. THE MAINTENANCE TECHNICIAN NOTIFIED REGIONAL MANAGEMENT IMMEDIATELY AND HAD THE PIPELINE SHUT DOWN AND THE PRESSURE REMOVED FROM THE PIPELINE. NUSTAR PERSONNEL ARRIVED AT SHICKLEY JUNCTION WHERE IT WAS DETERMINED THAT ONE OF THE GASKETS ON A 6"" 600# FLANGED VALVE HAD FAILED. IT WAS ESTIMATED THAT 15 GALLONS OF DIESEL FUEL HAD BEEN RELEASED. THE STAINED SOIL WAS PUT ONTO PLASTIC, COVERED WITH PLASTIC, AND TRANSPORTED TO AND DISPOSED OF AT AN AUTHORIZED LANDFILL. THE ASSOCIATED VALVE WITH THE FAILED GASKET WAS REPLACED. *UPDATE 9/21-16* - TEN (10) TONS OF SOIL WAS REMOVED FROM THE SITE AND DISPOSED OF AT LEXINGTON SOLID WASTE AGENCY LANDFILL IN LEXINGTON, NE. THE ACTUAL CAUSE OF RELEASE CAME FROM A SPIRAL WOUND GASKET THAT BECAME HOOKED ON A GAUGE PLATE PIG CAUSING THE GASKET TO PARTIALLY UNWIND. THE NEW STYLE GASKET HAS AN INNER RING THAT WILL PREVENT THIS FROM HAPPENING AGAIN.

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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