TENNESSEE GAS PIPELINE COMPANY
gas_transmission Incident — — February 14, 2016
Incident Information
| Incident Date | February 14, 2016 |
| Operator | TENNESSEE GAS PIPELINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 42.12228, -72.00338 |
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 2/13/2016 TGP PERSONNEL RECEIVED NOTIFICATION THAT A UNIT IN STATION 264 FELL OFFLINE. AFTER PERSONNEL ARRIVED ON SITE, THEY VERIFIED THAT GAS WAS VENTING. PERSONNEL THEN SHUT-IN THE STATION AND THIS ACTION STOPPED THE RELEASE OF GAS. IT WAS DISCOVERED THAT THERE WERE RELAY ISSUES WITHIN THE PLC AND THIS CAUSED THE UNIT TO NOT PROPERLY SHUT DOWN IN ""SAFE MODE"", AND AS A RESULT THE UNIT SUCTION AND DISCHARGE VALVES REMAINED OPEN. TGP PERSONNEL CONFIRMED THE WIRING AND INSTALLATION OF THE BACKUP RELAY LOGIC CONTROL OF THE UNIT AND REPLACED PLC COMPONENTS IN THE UNIT VALVE CIRCUITRY PORTION OF THE BACK UP RELAY SYSTEM."
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.