COLUMBIA GAS TRANSMISSION, LLC

Incident Narrative

ON FEBRUARY 14, 2017 AN ODOR OF GAS COMPLAINT WAS CALLED IN AT 09:54 AM TO THE LOCAL DISTRIBUTION COMPANY (COLUMBIA GAS OF KENTUCKY) MONITORING CENTER BY A LANDOWNER ON HARPER RIDGE ROAD. THE LDC MONITORING CENTER DISPATCHED AN EMPLOYEE WHO ARRIVED AT THE SITE AT APPROXIMATELY 10:13 AM. AFTER ASSESSING THE SITUATION, THE LDC EMPLOYEE NOTIFIED THE LDC MONITORING CENTER TO ALERT THE FIRE DEPARTMENT AND CALLED A COLUMBIA GAS TRANSMISSION LLC EMPLOYEE AT 10:20AM. THE COLUMBIA GAS TRANSMISSION EMPLOYEE RESPONDED AND NOTIFIED THE COLUMBIA GAS TRANSMISSION MONITORING CENTER AT 10:32 AM OF THE POTENTIAL LEAK. THE EMPLOYEE ARRIVED ON SITE AT 10:45 AM AND DETERMINED THAT THE LEAK WAS ON 30"" LINE EM-7 OWNED AND OPERATED BY COLUMBIA GAS TRANSMISSION LLC. COLUMBIA GAS TRANSMISSION FIELD EMPLOYEES WERE NOTIFIED AND RESPONDED. THE LOCAL FIRE DEPARTMENT ALSO RESPONDED AND EVACUATED 6 FAMILIES. COLUMBIA GAS TRANSMISSION CALLED THE NATIONAL RESPONSE CENTER AT 11:39 AM ON FEBRUARY 14, 2017, AND WAS PLACED ON HOLD UNTIL 12:01 PM. THE PIPELINE WAS REMOVED FROM SERVICE. THE PIPELINE WAS EXCAVATED AND A CRACK FOUND ON A WELD ELBOW FITTING NEAR A GIRTH WELD. THE PIPELINE WAS REPAIRED WITH REPLACEMENT PIPE AND AN WELD ELBOW FITTING, AND PLACED BACK INTO SERVICE ON FEBRUARY 20, 2017. THE METALLURGICAL AND GEOTECHNICAL ANALYSES HAVE BEEN PROVIDED TO PHMSA.