"COLUMBIA GAS TRANSMISSION, LLC"
gas_transmission Incident — — January 21, 2019
Incident Information
| Incident Date | January 21, 2019 |
| Operator | "COLUMBIA GAS TRANSMISSION, LLC" |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 38.47711, -81.71060 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON 01/21/2019 AT 3:40 AM EST, AT LANHAM COMPRESSOR STATION, LOCATED IN CHARLESTON, WV, KANAWHA COUNTY, AN EMERGENCY SHUTDOWN SYSTEM (ESD) VALVE (C9-149) MALFUNCTIONED AND OPENED RELEASING NATURAL GAS TO THE ATMOSPHERE. THE OPERATING PRESSURE OF THE PIPING AT THE TIME OF THE RELEASE WAS 742 PSIG (920 MAOP). THE GAS WAS RELEASED THROUGH A 4"" ESD BLOWOFF STACK IN A DESIGNED/SAFE LOCATION. THE PUBLIC HEARD THE GAS RELEASE AND NOTIFIED THE MONITORING CENTER, PART OF THE CONTROL ROOM AT 3:43 AM. OPERATIONS PERSONNEL WERE CALLED TO THE SCENE, ARRIVING AT 4:45 AM AND MANUALLY ISOLATED THE VALVE AT APPROX. 5:00 AM, AS THE REST OF THE STATION CONTINUED TO RUN. THE GAS VOLUME THAT WAS RELEASED WAS CALCULATED AT 5,406 MCF. NO DEATHS, INJURIES, FIRE, EXPLOSION OR EVACUATIONS RESULTED FROM THE RELEASE. THE PRELIMINARY INVESTIGATION OF THE FAILURE DETERMINED ICE HAD ACCUMULATED IN THE VALVE CONTROLLER/TRIGGER DEVICE CAUSING THE VALVE TO ACTUATE."
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.