DIXIE PIPELINE COMPANY LLC

hazardous_liquid Incident — — December 11, 2017

Incident Information

Incident DateDecember 11, 2017
OperatorDIXIE PIPELINE COMPANY LLC
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates33.36298, -83.44790

Cause

CauseEQUIPMENT FAILURE
SubcausePUMP OR PUMP-RELATED EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$8,588
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

PUMP SHUT DOWN DUE TO HIGH BEARING TEMPERATURE AT 2:22 AM. ONCE PERSONNEL WAS ONSITE, THEY IDENTIFIED AND EXTINGUISHED A VERY SMALL FIRE, WHICH WAS CONTAINED UNDER THE SEAL COVER AT 3:50 AM. REPORTING CRITERIA WAS MET ONLY DUE TO THE SMALL FIRE, WHICH WAS DISCOVERED WHEN PERSONNEL WERE ONSITE AT 3:50 AM. THE BEARING WAS UNDAMAGED AND DID NOT SHOW SIGNS OF DIRECT HEAT, HOWEVER THE INBOARD PUMP SEAL SHOWED INDICATIONS OF HEAT DAMAGE AND WAS REPLACED ON 12/11/2017. THE UNIT WAS TESTED AND HAS BEEN RETURNED TO SERVICE ON 12/12/2017. THE SEAL IS BEING SENT TO THE MANUFACTURER FOR FURTHER ANALYSIS. NRC WAS INITIALLY NOTIFIED ON 12/11/2017 (NRC # 1199313) AND 48 HOUR UPDATE WAS ALSO PROVIDED (NRC# 1199502). UPDATE (1/25/2018): SEAL ANALYSIS RECEIVED FROM MANUFACTURER AND THE POSSIBLE SOURCES OF IGNITION FROM THE SEAL FAILURE WERE NOTED AS: INTERNAL SCREWS MOVED AXIAL ON SHAFT, HEAT IN SECONDARY CHAMBER FROM OVER COMPRESSION, AND STATIONARY BROKEN FRAGMENTS AND PARTICLES WERE RUBBING AGAINST ROTATING MEMBERS. NOTE THAT THE INTERNAL SCREWS ARE PART OF MANUFACTURERS ASSEMBLY OF THE SEAL.

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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