COLUMBIA GAS TRANSMISSION, LLC
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | COLUMBIA GAS TRANSMISSION, LLC |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 39.63154, -82.55488 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
ON DECEMBER 3, 2020, AT APPROXIMATELY 08:30 THE PRESENCE OF NATURAL GAS WAS IDENTIFIED BY A COMPANY PERSONNEL PASSING BY ONE OF THE COMPRESSOR BUILDINGS IN CRAWFORD COMPRESSOR STATION (CS). CRAWFORD CS IS A TRANSMISSION FACILITY LOCATED IN FAIRFIELD COUNTY, STATE OF OHIO THAT IS OPERATED AND MAINTAINED BY COLUMBIA GAS TRANSMISSION, LLC (COMPANY). COMPANY PERSONNEL CONDUCTED LEAKAGE SURVEY AT THE DEPICTED LEAK LOCATION AND ITS SURROUNDING TO INVESTIGATE THE SOURCE OF THE POTENTIAL NATURAL GAS LEAK. FURTHERMORE, THROUGHOUT A THOROUGH INVESTIGATION, IT WAS IDENTIFIED THAT THE POTENTIAL RELEASE WAS ALONG LINE SR-696. AT APPROX. 14:25 LINE SR-696 HAD BEEN ISOLATED ON BOTH ENDS OF THE AFFECTED SECTION AND BLOWDOWN COMMENCED FROM 460 PSIG LINE OPERATING PRESSURE. AT APPROX. 15:00 THE LINE AFFECTED SEGMENT OF LINE SR-696 WAS FULLY BLOWN DOWN TO ATMOSPHERIC PRESSURE. THE INITIAL NATIONAL RESPONSE CENTER (NRC) REPORT NO.1293457 AND THE NRC 48-HOUR REPORT NO.1293539 HAVE BEEN CALLED-IN ON DECEMBER 3RD AND DECEMBER 5TH RESPECTIVELY. THE FAILED SECTION OF THE PIPELINE WAS SENT TO A METALLURGICAL LABORATORY TO DETERMINE THE PROBABLE CAUSE BEHIND THE FAILURE OF THE PIPELINE. THE METALLURGICAL FAILURE ANALYSIS REPORT OF LINE SR-696 IDENTIFIED THAT THE CAUSE OF THE LEAK WAS INTERNAL CORROSION. NOTE: ALL TIMES WERE RECORDED IN EASTERN STANDARD TIME
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.