NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
hazardous_liquid Incident — — February 12, 2016
Incident Information
| Incident Date | February 12, 2016 |
| Operator | NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 41.11988, -91.64785 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $4,080 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
A SUSPECTED ANHYDROUS AMMONIA LEAK WAS CALLED INTO THE CONTROL CENTER ON FRIDAY AFTERNOON ON 2-12-16 AT A LOCATION 2 MILES SOUTH OF WAYLAND IOWA. NUSTAR PERSONNEL RESPONDED TO VERIFY THAT THERE WAS A LEAK. IT WAS DETERMINED THAT THERE WERE STOPPLE TEES IN THE AREA OF THE LEAK SITE. THE MAINTENANCE CREW MOBILIZED ON SUNDAY MORNING. UPON ARRIVAL AND EXCAVATION IT WAS FOUND THAT TWO OF THE FOUR SEGMENT PLUGS ON 1 STOPPLE TEE WERE LEAKING. RELEASE WAS CALCULATED TO BE ABOUT 12 GALLONS OVER THE DURATION OF THE LEAK. ALL FOUR SEGMENTS WERE PERMANENTLY WELDED SHUT.
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.