MARATHON PIPE LINE (WEST)
hazardous_liquid Incident — — February 20, 2020
Incident Information
| Incident Date | February 20, 2020 |
| Operator | MARATHON PIPE LINE (WEST) |
| Commodity | REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 61.17853, -150.03091 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | OTHER EQUIPMENT FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $3,500 |
| Emergency Response | $9,500 |
| Other Costs | $0 |
Location Map
Incident Narrative
DURING A TAPL RIGHT OF WAY INSPECTION ON FEBRUARY 20TH, 1700 LOCAL TIME OPERATIONS NOTICED PRODUCT WITHIN A VAULT WHICH CONTAINED A GRAVITOMETER. OPERATIONS WAS ABLE TO ISOLATE THE GRAVITOMETER FROM OUTSIDE OF THE VAULT AND THEN MONITOR TO ENSURE THE LEAK HAD STOPPED. OPERATIONS AND LOCAL CONTRACTORS PROMPTLY CLEANED UP THE SPILL AND RECOVERED ALL 15.7 BBLS OF TRANS-MIX, WHICH WAS CONTAINED WITHIN THE VAULT. THE VAULT WAS THEN CLEANED WITH DEGREASER AND HOT WATER, PREPARING FOR ENTRY. IT WAS DETERMINED THAT A 3/8"" STEEL BRAIDED HOSE HAD DEVELOPED A PINHOLE LEAK AT ITS RESTING POINT ON A SUPPORT. MAINTENANCE COMPLETED FULL INSPECTIONS OF ALL OTHER EQUIPMENT AND REPLACED ALL FOUR OF THE STEEL BRAIDED HOSES ATTACHED TO THE GRAVITOMETER, WHILE ALSO ENSURING PROPER CLEARANCE FROM ANY OTHER EQUIPMENT. (UPDATE: PART B QUESTION 5: COUNTY/PARISH HAS BEEN UPDATED TO REFLECT ""ALASKA BOROUGH"") UPDATE 7/8/2021; CORRECTED LATITUDE / LONGITUDE IN PART A UPDATED 7/16/2021; REVERTED LATITUDE / LONGITUDE IN PART A TO ORIGINAL LAT/LONGS UPDATED 8/31/2021; SUBMIT AS FINAL
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.