EAST TENNESSEE NATURAL GAS, LLC (SPECTRA ENERGY PARTNERS, LP)
gas_transmission Incident — — April 4, 2019
Incident Information
| Incident Date | April 4, 2019 |
| Operator | EAST TENNESSEE NATURAL GAS, LLC (SPECTRA ENERGY PARTNERS, LP) |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 35.97981, -84.22867 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $1,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ORIGINAL REPORT: 48 HR NRC REPORT 1242022 AT APPROXIMATELY 9:17 PM EST ON APRIL 4, 2019, EAST TENNESSEE NATURAL GAS (ETNG) WAS NOTIFIED BY A UTILITY COMPANY EMPLOYEE ABOUT A NATURAL GAS RELEASE AT ETNG'S METER AND REGULATOR STATION (M&R 59021) IN ANDERSON COUNTY, TN. ETNG PERSONNEL ARRIVED AT M&R 59021 AT APPROXIMATELY 9:58 PM EST AND DISCOVERED NATURAL GAS RELEASE FROM A RELIEF VALVE. ETNG PERSONNEL SUBSEQUENTLY ISOLATED THE RELIEF VALVE. THE APPARENT CAUSE WAS A COLLAPSED SUPPLY GAS FILTER ON THE UPSTREAM REGULATOR THAT STOPPED THE SUPPLY GAS TO THE BOOT AND RESULTING IN THE REGULATOR TO FAIL OPEN.
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.