TENNESSEE GAS PIPELINE COMPANY
gas_transmission Incident — — August 3, 2015
Incident Information
| Incident Date | August 3, 2015 |
| Operator | TENNESSEE GAS PIPELINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 27.22217, -98.11031 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | ENVIRONMENTAL CRACKING-RELATED |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $40,601 |
| Emergency Response | $3,312 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON 08/03/2015 AT APPROXIMATELY 8:36PM TENNESSEE GAS PIPELINE (TGP) GAS CONTROL RECEIVED A PRESSURE RATE OF CHANGE CRITICAL ALARM ON LINE 400-1. THE GAS CONTROLLER CONTACTED TGP OPERATIONS TO DISPATCH PERSONNEL TO THE POSSIBLE LEAK SITE AND TAKE TGP STATION 1 OFFLINE. THE CONTROLLER ALSO CONFIRMED THAT LOCAL EMERGENCY RESPONDERS, INCLUDING THE BROOKS COUNTY SHERIFFS DEPARTMENT, WERE ON-SITE. OPERATIONS INITIATED EMERGENCY RESPONSE. THE 400-1 LINE FROM MAINLINE VALVE (MLV) 403-1 TO MLV 404-1 WAS ISOLATED AT 10:06PM AND THE ISOLATED SECTION WAS BLOWN DOWN TO A ZERO PRESSURE BY 10:15PM. THE FIRE MARSHAL EVACUATED HOMES AND TX DOT TEMPORARILY CLOSED HWY 285 FOR A 5 MILE DISTANCE EAST AND WEST UNTIL THE ISOLATED SEGMENT WAS BLOWN DOWN. THE METALLURGICAL REPORT CONCLUDED THAT THE CAUSE WAS HIGH PH STRESS CORROSION CRACKING."
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.