BOARDWALK STORAGE COMPANY, LLC

gas_transmission Incident — — January 20, 2018

Incident Information

Incident DateJanuary 20, 2018
OperatorBOARDWALK STORAGE COMPANY, LLC
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates30.31069, -91.30755

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$1,056,806
Emergency Response$200
Other Costs$0

Location Map

Incident Narrative

BOARDWALK STORAGE COMPANY'S CHOCTAW COMPRESSOR NO. 1 EXPERIENCED A FAILURE. SCADA INDICATED A FUSIBLE LOOP FIRE DETECTION SHUTDOWN AND ESD. THE ROOT CAUSE WAS DETERMINED TO BE DEFECTIVE PLC COMMUNICATIONS. THE COMMUNICATION NETWORK MISTAKENLY SIGNALED FOR THE LUBE OIL PUMPS AND AIR COMPRESSORS TO SHUTDOWN. IT IS ALSO BELIEVED THE SUCTION VALVE WAS COMMANDED TO CLOSE BUT THIS CANNOT BE VERIFIED. THE COMMAND TO SHUTDOWN THE MOTOR WAS NEVER RECEIVED BY THE MOTOR SWITCHGEAR. THE RESULT WAS THE LOSS OF LUBE OIL AND THE MOTOR CONTINUED TO RUN. 8-31-18 UPDATED COSTS.

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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