COLORADO INTERSTATE GAS CO
gas_transmission Incident — — May 29, 2017
Incident Information
| Incident Date | May 29, 2017 |
| Operator | COLORADO INTERSTATE GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 39.63828, -104.70369 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $26,000 |
| Emergency Response | $1,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
ORIGINAL NRC REPORT NUMBER 1179650; 9:59 AM M, LDC CALLED CIG TO REPORT DEAD VEGETATION, POSSIBLE LEAK SITE 25 FEET SOUTH OF QUINCY AVENUE, PIPELINE ROW, IN A WHEAT FIELD; 11:00 AM M, CIG EMPLOYEES ON SCENE AND CONFIRMED PIPELINE LEAK; 12:00 PM M, CIG EMPLOYEES BEGAN LOWERING THE PIPELINE OPERATING PRESSURE; EXCAVATION FOUND BURIED FLANGES WITH LEAKING GASKET MATERIAL; 05/31/2017, 8:00 AM M, CIG EMPLOYEES BEGAN PIPELINE VALVE SECTION ISOLATION AND PIPELINE VALVE SECTION BLOW DOWN TO CUT OUT FLANGED CONNECTION AND INSTALL LINE PIPE; MLV 10.1 IS MANUALLY OPERATED; MLV 11 IS REMOTE CONTROL BY GAS CONTROL; 06/02/2017, 12:00 PM M, PROJECT IS COMPLETE AND PIPELINE VALVE SECTION HAS BEEN RETURNED TO SERVICE. NOTE: NRC UPDATE REPORT NUMBER 1179812, 05/31/2017, 9:00 AM M; NOTE: PIR OF 554 FEET INCLUDES 40 FOOT BUFFER. NO ADDITIONAL INFORMATION CHANGE; SUBMITTING FINAL REPORT 07/21/2017;
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.