TRUNKLINE GAS CO
gas_transmission Incident — — March 5, 2015
Incident Information
| Incident Date | March 5, 2015 |
| Operator | TRUNKLINE GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 35.94042, -89.30797 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $13 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
THERE WERE TWO SEPARATE RELEASES FROM THE SAME DEVICE RELATED TO THIS INCIDENT REPORT. LISTED BELOW ARE THE SPECIFICS FOR EACH RELEASE: PART A.10 - THE ESTIMATED VOLUME RELEASED UNINTENTIONALLY FOR THE FIRST RELEASE WAS 4.3 MMCF. THE ESTIMATED VOLUME RELEASED UNINTENTIONALLY FOR THE SECOND RELEASE WAS 17.6 MMCF. PART A.19.A - THE TIME THE OPERATOR IDENTIFIED THE FIRST RELEASE WAS 03:06. THE TIME THE OPERATOR IDENTIFIED THE SECOND RELEASE WAS 05:55. PART A.19.B - THE TIME THE OPERATOR RESOURCES ARRIVED ON SITE FOR THE FIRST RELEASE WAS 03:40. THE TIME THE OPERATOR RESOURCES ARRIVED ON SITE FOR THE SECOND RELEASE WAS 06:20. PART D.7.F - THE ESTIMATED COST OF THE GAS RELEASED FOR THE FIRST RELEASE WAS $14,061. THE ESTIMATED COST OF THE GAS RELEASED FOR THE SECOND RELEASE WAS $57,552. PART E.1 - THE ESTIMATED PRESSURE AT THE POINT AND TIME OF THE INCIDENT FOR THE FIRST RELEASE WAS 858 PSIG. THE ESTIMATED PRESSURE AT THE POINT AND TIME OF THE INCIDENT FOR THE SECOND RELEASE WAS 822 PSIG. PART G: APPARENT CAUSE: FOR THE FIRST RELEASE - PART G.6 EQUIPMENT FAILURE SUB-CAUSE - WAS THE RELIEF VALVE SOLENOID FROZE. FOR THE SECOND RELEASE - PART G.6.3 EQUIPMENT FAILURE SUB-CAUSE - WAS A PIPE NIPPLE FAILED.
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.