HOLLY ENERGY PARTNERS - OPERATING, L.P.

hazardous_liquid Incident —

Incident Information

Report Date
OperatorHOLLY ENERGY PARTNERS - OPERATING, L.P.
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates41.12740, -104.79070

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

DURING NORMAL PIPELINE OPERATIONS A THIRD-PARTY DOWNSTREAM PUMP FAILED CAUSING A HIGHER THAN NORMAL (BUT WELL BELOW MOP) BOOSTER PUMP DISCHARGE PRESSURE. A THERMAL RELIEF VALVE ON THE HEP METER SKID RELIEVED AND DID NOT RESET CAUSING THE SUMP TO OVERFILL. HEP OPERATIONS SWITCHED TO A SMALLER BOOSTER IN ORDER TO REDUCE THE PIPELINE PRESSURE AND THE PIPELINE WAS RESTARTED. THE HEP PIPELINE FIELD OPERATOR WAS INSTRUCTED TO VISUALLY CHECK THE SUMP LEVEL EVERY HOUR FOR ANY RISE IN FLUID LEVEL AND A VACUUM TRUCK WAS STATIONED ON-SITE TO EMPTY THE SUMP IF IT BECAME NECESSARY. THE TOTAL ESTIMATED VOLUME RELEASED REPORTED TO THE NRC WAS 1 BBL.; HOWEVER, AFTER RECEIVING A CONFIRMATION ON THE TOTAL VOLUMES RECOVERED BY THE VACUUM TRUCK IT WAS DETERMINED THAT APPROXIMATELY 5 BBLS WAS RELEASED. THE CONTAMINATED SOIL WAS EXTRACTED AND DISPOSED OF AS REQUIRED.

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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