COLUMBIA GAS TRANSMISSION, LLC

gas_transmission Incident —

Incident Information

Report Date
OperatorCOLUMBIA GAS TRANSMISSION, LLC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates37.60554, -83.92457

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON MARCH 24, 2020 AT 1:32 PM EASTERN STANDARD TIME (EST), COLUMBIA GAS TRANSMISSION, LLC (COLUMBIA), OPID 2616 COMPANY PERSONNEL WHILE PERFORMING MAINTENANCE TASKS AT STATION CAMP COMPRESSOR DISCOVERED A PINHOLE LEAK DUE AT THE SOIL-TO-AIR INTERFACE AT THE LAUNCHER ON LINE KA-1S, CLASSIFIED AS TRANSMISSION CARBON STEEL PIPELINE WITH 8.625-INCH IN DIAMETER, 0.322-INCH OF WALL THICKNESS AND GRADE B PIPELINE NEAR STATION CAMP COMPRESSOR. THE LEAK WAS EXPOSED BY HYDROVAC. APPROXIMATELY FIFTEEN FEET OF PRE-TESTED 8.625-INCH, 0.322 WALL, GRADE B, REPLACED THE CORRODED SECTION, WAS COATED, THEN THE EXPOSED PIPE WAS INSPECTED AND RECOATED, AND THE AREA WAS BACK-FILLED WITH FLOWABLE FILL AND OTHER MATERIAL. THIRTEEN CONSUMER TAPS SERVED BY COLUMBIA GAS OF KENTUCKY (CKY) THE LOCAL DISTRIBUTION OPERATOR WERE AFFECTED DURING REPAIRS AND CONVERTED TO BOTTLE GAS AND MONITORED AND MANAGED BY CKY. THE PIPELINE WAS RETURNED TO SERVICE ON APRIL 6, 2020 AT 09:12 EST. LINE KA-1S HAS A MAXIMUM ALLOWABLE OPERATING PRESSURE OF 1,000 PSIG, AND OPERATES AT APPROXIMATELY 650 PSIG.

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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