COLORADO INTERSTATE GAS CO

gas_transmission Incident —

Incident Information

Report Date
OperatorCOLORADO INTERSTATE GAS CO
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates40.22766, -103.81311

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

LATE NIGHT MAY 2, 2019, A FARMER WAS RUNNING A TRACTOR PLANTER IN A CIRCULAR PATTERN, PLANTING A FIELD OF CORN. THE TRACTOR PLANTER RAN THROUGH A STEEL BARRICADE AND OVER COLORADO INTERSTATE GAS (CIG) TRANSMISSION'S LINE 4B ABOVEGROUND VALVE STEM/OPERATOR. THIS CAUSED THE VALVE FLANGE TO PULL APART BELOWGROUND AND RELEASE NATURAL GAS. THE FARMER SHUT DOWN THE TRACTOR AND REMOVED HIMSELF FROM THE SCENE. CIG OPERATIONS PERSONNEL SECURED THE SITE AND DETERMINED THAT THERE WAS NO THREAT TO THE GENERAL PUBLIC SINCE THE OCCURRENCE WAS IN THE MIDDLE OF A FIELD, AWAY FROM ANY POPULATED AREAS. THE NEED TO MAINTAIN SERVICE TO CUSTOMERS RESULTED IN ALLOWING THE GAS TO CONTINUE TO RELEASE UNTIL A BYPASS COULD BE CONSTRUCTED AND INSTALLED. FOLLOWING THIS, ISOLATION VALVES WERE CLOSED AND THE PIPELINE WAS BLOWN DOWN TO ALLOW REMOVAL OF THE TRACTOR PLANTER AND REPAIR OF THE FACILITY. THE FACILITY WAS RESTORED TO SERVICE MAY 15, 2019. THE NECESSARY 48-HOUR UPDATE WAS PROVIDED TO THE NRC MAY 4, 2019 AT 13:06 MDT AND WAS ASSIGNED REPORT NUMBER 1244639.

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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