MARKWEST LIBERTY NGL PIPELINE, L.L.C.
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARKWEST LIBERTY NGL PIPELINE, L.L.C. |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 39.95934, -80.52045 |
Cause
| Cause | NATURAL FORCE DAMAGE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
AT 12:53 LIGHTNING STRUCK, DAMAGING AN RTU PANEL THAT CONTROLLED VALVES. BOTH PRESSURE TRANSMITTERS ON EITHER SIDE OF THE VALVE WERE FRIED, CAUSING A LOW LOW ALARM, CAUSING THE VALVE TO CLOSE. ONCE CLOSED PRESSURE WAS BUILT UP AND THE GASKET BEGAN TO LEAK. THE FLANGE WAS RETORQUED AND A FLANGE CLAMP WAS INSTALLED UNTIL AN OUTAGE COULD BE TAKEN. THE LINE WAS RESTARTED AND HAS NOT LEAKED SINCE.
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.