MARATHON PIPE LINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 31.64865, -90.59470 |
Cause
| Cause | INCORRECT OPERATION |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
A TECHNICIAN OPENED A 1"" BALL VALVE TO PROVIDE A VENT TO FILL THE STATION. A PRESSURE UP PROCEDURE WAS WRITTEN AND WAS BEING FOLLOWED TO CHECK THE INTEGRITY OF A CLAMP ON SLEEVE REPAIR ON THE ALTERNATE STATION DISCHARGE LINE. THE TECHNICIAN OPENED THE 1"" BALL VALVE, BUT FAILED TO INSTRUCT SOMEONE TO MONITOR THE VALVE WHILE THE VALVE WAS IN THE OPEN POSITION. THE TECHNICIAN PROCEEDED TO PRESSURE UP THE STATION. WHILE THE PUMP WAS RUNNING, THE STATION REACHED ITS FULL CAPACITY AND STARTED VENTING FROM THE UNATTENDED 1"" BALL VALVE.
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.