Baytex Energy Corp T.BTE

TMX Files NEW VARIANCE APPLICATION With CER On 12/14/2023

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See:

https://c212.net/c/link/?t=0&l=en&o=4055744-1&h=3928981709&u=https%3A%2F%2Fdocs2.cer-rec.gc.ca%2Fll-eng%2Fllisapi.dll%2Ffetch%2F2000%2F130635%2F4424570%2FC27678-2_Application_to_Vary_Certificate_OC-065_%25282%2529_-_A8V2G1.pdf%3Fnodeid%3D4424281%26vernum%3D-2&a=a+new+variance+application

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3. Currently, CPCN Schedule A approves the use of 36-inch (“NPS 36”) pipe in the Black Pines to Burnaby Tank Terminal segment of the TMEP, which includes the Mountain 3 HDD crossing. Within that segment, CPCN Schedule A also reflects the use of pipe that has a wall thickness of 11.8 millimetres. 4. During construction of the Mountain 3 HDD crossing, Trans Mountain has encountered several complex

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15. Trans Mountain also completed a geotechnical investigation program at the HDD entry and exit locations, prior to starting a geotechnical assessment pilot hole with the HDD rig. The findings of the investigation and assessment confirmed that the Mountain 3 HDD crossing would be completed primarily in bedrock conditions. 16. Trans Mountain utilized the pilot hole from the geological assessment

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20. At the date of this Application, construction at the Mountain 3 HDD crossing has been ongoing for almost 20 months – much longer than the 12-month duration that was planned initially. The duration has increased because of the need for multiple grouting programs, difficulty completing the pilot hole intersect within the hard geological conditions, significantly lower than anticipated reaming