ENABLE OKLAHOMA INTRASTATE TRANSMISSION, LLC

gas_transmission Incident —

Incident Information

Report Date
OperatorENABLE OKLAHOMA INTRASTATE TRANSMISSION, LLC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates35.26880, -97.94390

Cause

CauseEXCAVATION DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON OCTOBER 20TH A CONTRACTOR (BENNETT CONSTRUCTION) WORKING FOR CARDINAL MIDSTREAM STRUCK ENABLE OKLAHOMA INTRASTATE TRANSMISSION LINE 107 CAUSING SMALL LEAK SIGNIFICANT ENOUGH TO REROUTE GAS AND BLOW DOWN AND REPLACE PIPE. THIS SECTION OF L-107 HAD BEEN PREVIOUSLY MARKED BY ENABLE WHO MADE POSITIVE CONTACT WITH BENNET ON 10/18/18 REQUESTING NOTIFICATION BEFORE DIGGING. IT WAS ALSO DISCUSSED ON 10/18/18 THAT ENABLE PERSONNEL WOULD MEET WITH BENNETT ON MONDAY, 10/22/2018, WHILE THEY CROSSED LINE 107. BENNETT WORKED ON SATURDAY 10/20/18 WITHOUT ENABLE OR CARDINAL KNOWLEDGE (AND WITHOUT ENABLE PERSONNEL PRESENT), AND DID NOT RESPECT THE 24"" TOLERANCE ZONE. ENABLE DID NOT RECEIVE CALL FOR WORK THAT WAS PERFORMED ON 10/20/18. L-107 WAS COMPLETELY PUT BACK INTO SERVICE AND RELEASED TO SYSTEM CONTROL TO RESUME NORMAL OPERATIONS AT APPROXIMATELY 8:00 PM 10/21/2018. A NOTIFICATION WAS PROVIDED TO THE NRC (#1228020) ON 10/20/18 AT 12:45 AND A 48 HR. FOLLOW UP (# 1228152) WAS PROVIDED ON 10/22/18 AT 11:28. AFTER REVIEW OF THE NRC ARCHIVE, #1228184 WAS ADDED TO THIS INCIDENT AS WELL.

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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