CCPS TRANSPORTATION, LLC

Incident Narrative

ON MARCH 17, 2021 AT APPROXIMATELY 1:05 PM CDT, AN ENBRIDGE EMPLOYEE NOTICED CRUDE OIL ON THE SURFACE ABOVE LINES 55 AND 59, APPROXIMATELY 100 FEET DOWNSTREAM OF THE MAINLINE VALVE AT MP 302.01. THE EDMONTON CONTROL CENTER WAS NOTIFIED AND LINES 55 AND 59 WERE SHUT DOWN. UPON INVESTIGATION, IT WAS DETERMINED THAT APPROXIMATELY FIVE GALLONS HAD LEAKED FROM A STOPPLE TEE FITTING ON LINE 55. ONCE IT WAS DETERMINED THAT LINE 59 WAS NOT THE SOURCE OF THE RELEASE, APPROVAL TO RESTART LINE 59 WAS GIVEN. INITIAL NRC NOTIFICATION WAS MADE ON MARCH 17, 2021 AT 2:18 PM CDT (NRC #1300612). A 48-HOUR UPDATE WAS MADE TO THE NRC ON MARCH 19, 2021 AT 8:32 AM CDT (NRC #1300776). THE CAUSE OF THE RELEASE WAS DUE TO BREAK-AWAY TORQUE OF EXISTING STUDS ON THE COMPLETION BLIND INSTALLED ON THE STOPPLE TEE. THE FITTING WAS TORQUED IN ACCORDANCE WITH ENBRIDGE STANDARDS AND THE SOURCE OF THE LEAK WAS CONTAINED BY ON-SITE PERSONNEL WITH NO OFF-PROPERTY IMPACT. ALL CONTAMINATED SOIL WAS REMOVED FROM THE AREA AND DISPOSED OF. APPROVAL TO RESTART LINE 55 WAS GIVEN FOLLOWING THE REPAIR.