QUESTAR PIPELINE COMPANY
gas_transmission Incident — — December 18, 2013
Incident Information
| Incident Date | December 18, 2013 |
| Operator | QUESTAR PIPELINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 39.90828, -108.29439 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $100 |
| Emergency Response | $300 |
| Other Costs | $0 |
Location Map
Incident Narrative
CREATED SUPPLEMENTAL TO INDICATE THAT THE REPORT IS FINAL. AT 01:50 A BROKEN 1"" X 3/4"" THREADED BUSHING TO A PRESSURE TRANSDUCER RESULTED IN AN UNINTENDED NATURAL GAS LOSS OF APPROXIMATELY 4.98 MMSCF. A QUESTAR EMPLOYEE ARRIVED ON SITE AT 08:21 AND CONFIRMED THAT THE BUSHING LEADING TO THE PRESSURE TRANSDUCER WAS BROKEN AND ISOLATED THE AREA BY CLOSING 2 MANUAL BLOCK VALVES. THE BUSHING AND VALVE WERE REPLACED SHORTLY THEREAFTER. AFTER THIS INCIDENT QUESTAR PIPELINE ADDED AN ALARM ON THE SCADA SYSTEM FOR THIS PRESSURE TRANSDUCER.
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.