DIXIE PIPELINE COMPANY LLC
hazardous_liquid Incident — — December 26, 2020
Incident Information
| Incident Date | December 26, 2020 |
| Operator | DIXIE PIPELINE COMPANY LLC |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 35.21830, -79.39180 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | PUMP OR PUMP-RELATED EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $500 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT 05:40, HOUSTON CONTROL CENTER (HCC) RECEIVED A SEAL FAILURE ALARM ON UNIT NUMBER TWO AND A GAS ALARM AT THE SOUTHERN PINE PUMP STATION. HCC ISOLATED AND SHUT DOWN THE PUMP STATION, REROUTING FLOW TO THE MAINLINE. HCC CONTACTED THE OPERATIONS SUPERVISOR WHO DISPATCHING TECHNICIANS TO THE STATION. OPERATIONS ARRIVED ONSITE AND FOUND THE OUTBOARD SEAL HAD FAILED, LEAKING PRODUCT TO THE ATMOSPHERE. THE UNIT WAS BLOWN DOWN, PURGED, AND THE SEALS WERE CHANGED. VISUAL EXAMINATION OF THE FAILED SEAL INDICATES THAT EXCESSIVE HEAT LIKELY CAUSED THE SEAL FAILURE. THE EXCESSIVE HEAT IS A RESULT OF LOSS OF SEAL FLUSH, WHICH ACTS AS A COOLING AGENT FOR THE SEAL FACES. THE PUMP WAS RETURNED TO SERVICE WITH NO MECHANICAL ISSUES. PART C4 NOTE: THE SOUTHERN PINE UNIT NUMBER TWO PUMP WAS INSTALLED IN 1991, HOWEVER, THE SEAL WAS REPLACED IN 2017.
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.