OLYMPIC PIPE LINE COMPANY
hazardous_liquid Incident — — November 2, 2016
Incident Information
| Incident Date | November 2, 2016 |
| Operator | OLYMPIC PIPE LINE COMPANY |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 47.08955, -122.37032 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $4,323 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON NOVEMBER 2, 2016 A COMPANY EMPLOYEE WAS CONDUCTING A ROUTINE FACILITY INSPECTION AT TACOMA STATION. AT 16:50 THE EMPLOYEE NOTICED THAT THE CONTROL VALVE WAS LEAKING. THE EMPLOYEE IMMEDIATELY CALLED THE CONTROL CENTER AND THE PIPELINE WAS SHUTDOWN AT 16:51. THE STATION WAS PUT ON BY-PASS AND THE PIPELINE WAS RE-STARTED AT 22:16. THE CONTROL VALVE IS ABOVEGROUND AND LOCATED WITHIN A CONCRETE SECONDARY CONTAINMENT INSIDE OF THE STATION FENCE LINE. A REPAIR OF THE CONTROL VALVE WAS COMPLETED AT 13:00 ON NOVEMBER 3, 2016 AND THE STATION WAS BROUGHT BACK ON-LINE AT 13:31. AN INVESTIGATION INTO THE ROOT CAUSE OF THE LEAK HAS DETERMINED THAT THE O-RING MATERIAL OF THE CONTROL VALVE BROKE DOWN. THE VITON O-RINGS IN THE VALVE WERE REPLACED WITH NITRILE, A PREFERABLE MATERIAL FOR REFINED PRODUCT SERVICE.
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.