TRANSCONTINENTAL GAS PIPE LINE COMPANY
gas_transmission Incident — — June 20, 2022
Incident Information
| Incident Date | June 20, 2022 |
| Operator | TRANSCONTINENTAL GAS PIPE LINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 36.34193, -79.81904 |
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
THE CAUSE OF THE INCIDENT WAS UNINTENDED VALVE MOVEMENT. THE FUEL GAS BLOWDOWN VALVE ON THE TURBINE OPENED WHILE THE SUPPLY WAS ALSO OPEN. BLOWDOWN VALVE IS A 2-INCH PLUG. NO ALARMS WERE ASSOCIATED WITH THE EVENT. THE INVESTIGATION PERFORMED DETERMINED ONE OF THE CONTRIBUTING FACTORS WAS THE LACK OF AN ALARM WHEN THE BLOWDOWN VALVE WAS OUT OF POSITION SUCH THAT THE OPERATOR WOULD NOT HAVE BEEN ABLE TO RECOGNIZE THE VALVE WAS OUT OF POSITION. ALARM INSTALLATION SCHEDULED ALREADY. FUEL GAS LOGIC AND ALARM INSTALLATION HAS BEEN 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.