SOUTHERN NATURAL GAS CO
gas_transmission Incident — — September 13, 2016
Incident Information
| Incident Date | September 13, 2016 |
| Operator | SOUTHERN NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.78766, -84.25425 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $150 |
| Other Costs | $0 |
Location Map
Incident Narrative
UNIT #3 TAKEN OFF LINE MANUALLY; LATER AUTOMATIC 3-INCH VENT VALVE OPENED TO BLOW DOWN UNIT #3 PIPING FOR STATION SAFETY; NORMALLY A RELEASE OF 50MCF NATURAL GAS; WHEN UNIT #3 WAS COMING OFF LINE, 18-INCH SUCTION VALVE HAD NOT FULLY CLOSED EVEN THOUGH LIMIT SWITCHES WERE MET ALLOWING GAS SUPPLY TO THE VENT SYSTEM; CONSTRUCTION IN PROGRESS AT STATION, LOCAL MANUAL, THEREFORE SCADA WAS TEMPORARILY DISABLED; ON SITE CONSTRUCTION SECURITY GUARD NOTIFIED STATION OPERATOR OF THE VENTING; STATION OPERATOR RETURNED TO STATION YARD AND MANUALLY CLOSED SUCTION VALVE; SAID 18-INCH VALVE IS CURRENTLY OPERATING WITH NO ISSUES.
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.