COLONIAL PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorCOLONIAL PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates33.65940, -85.46490

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON 04/15/16 AT APPROXIMATELY 18:10 CST LOCAL OPERATIONS MANAGER WAS NOTIFIED OF A SUSPECTED LEAK ON MAINLINES 1 OR 2 NEAR MP 670.1 IN CLEBURNE COUNTY, AL (APPROXIMATELY 3 MILES DOWNSTREAM OF HEFLIN STATION), BY A CONTRACTOR WHO REPORTED AN ODOR AND SHEEN ON A CREEK. AT 18:14 CST, COLONIAL'S ALPHARETTA CONTROL CENTER WAS NOTIFIED OF THE POSSIBLE LEAK. THE CONTROL CENTER INITIATED AN ORDERLY SHUTDOWN OF BOTH LINES AND REMOTE ISOLATION OF SEGMENT STARTING AT 18:18. AT 18:49 DISTRICT DIRECTOR OF OPERATIONS WAS NOTIFIED AND IT WAS CONFIRMED THAT THE DISTRICT ENVIRONMENTAL MANAGER AND DISTRICT PROJECTS LEADER WERE NOTIFIED. AT APPROXIMATELY 19:18 FIELD OBSERVERS CONFIRMED THE LEAK. SINCE THERE WERE IMPACTS TO SURFACE WATERS, THE NRC, ADEM, COUNTY EMA AND LOCAL FIRE DEPARTMENT WERE NOTIFIED. CONTAINMENT AND RECOVERY ACTIVITIES BY ONSITE PERSONNEL BEGAN. REPAIR WAS A TYPE B SLEEVE. REPAIR WAS COMPLETE AT 4/17/16 AT APPROXIMATELY 02:00 AND LINE 1 WAS RESTARTED AT APPROXIMATELY 03:09. CAUSE OF RELEASE STILL BEING INVESTIGATED. AS OF 4/28/16 THE TOTAL ESTIMATED RELEASE IS 600 GALLONS. APPROXIMATELY 590 GALLONS IN 6000 TONS OF SOIL IS SCHEDULED TO BE REMOVED AND 10 GALLONS REACHING THE SURFACE WATER. TO DATE, A TOTAL OF 23,569 GALLONS OF LIQUID HAS BEEN REMOVED WITH NO MEASURABLE PRODUCT FOUND. UPDATE 8/7/17: THE MASS BALANCE FOR THE CLEBURNE COUNTY RELEASE SOIL WAS PERFORMED USING LANDFILL WEIGHT TICKETS AND AVERAGE OF THE GRO FROM SAMPLES THAT WERE OBTAINED. THE GRO AVERAGE WAS 181.77 AND THE TONNAGE OF SOIL WAS 4846.18 TONS. USING THE SOIL VOLUME CALCULATION WORKSHEET, TOTAL VOLUME OF PRODUCT IN THE SOIL WAS 290 GALLONS. THE TOTAL FLUID VOLUME COLLECTED FROM THE EXCAVATION WAS 577,388 GALLONS. 84,388 GALLONS OF TOTAL FLUIDS RECOVERED WAS SENT TO ALLIED ENERGY CORP. BY TRUCK FOR TREATMENT AND 493,000 GALLONS OF WATER WAS TREATED ONSITE UNDER AN NPDES PERMIT. THERE WAS NO FREE PRODUCT RECOVERED. NOTE: THERE IS A DESCRPENCY IN THE NRC AND 7001 IN INCIDENT DISCOVERY TIME. THE OM DOCUMENTED THE DISCOVERY TIME AS BEING THE TIME HE WAS NOTIFIED; WHEREAS, THE CONTROL CENTER NOTED THE DISCOVERY TIME AS WHEN THEY WERE NOTIFIED 5 MINUTES LATER. IN ADDITION THE CONTROL CENTER MISTAKENLY ADJUSTED FOR CENTRAL TIME WHEN IN FACT CENTRAL TIME AND PIPELINE TIME WERE INSYNC.

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.

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