ANR PIPELINE CO

gas_transmission Incident —

Incident Information

Report Date
OperatorANR PIPELINE CO
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates43.60086, -88.13114

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

THE KEWASKUM COMPRESSOR STATION LOCATED NEAR BEECHWOOD WISCONSIN EXPERIENCED A STATION ESD. THE STATION DID NOT BLOW DOWN AS REQUIRED. VALVE 350-15-26 STOPPED 3/4 CLOSED. THE VALVE CYCLED NUMEROUS TIMES AS THE ESD SIGNAL AND THE STATION SIGNAL WERE CYCLING. THE VALVE FINALLY STOPPED AT WITHOUT CLOSING COMPLETELY. THE VALVE MALFUNCTIONED BECAUSE A FUSE IN THE 24 VOLT DC RELAY SYSTEM PARTIALLY FAILED. TECHNICIANS AND MANAGER REPORTED TO THE STATION AND PROCEEDED TO ISOLATE THE STATION. SUBSEQUENTLY, STATION TECHNICIANS REPAIRED THE TERMINAL FUSE BLOCKS AND REPLACED WIRING IN THE CONTROL ROOM. INVESTIGATION OF THE MALFUNCTION WAS COMPLETED.

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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