Latest Updates on the Trans Mountain Expansion Project

May 15, 2020 – Westridge Delivery Line Relocation decision

Trans Mountain Expansion Project Terminals and Tunnel Section Click to enlarge

Source and description

Source: CER

Description: Trans Mountain Expansion Project Terminals and Tunnel Section


Today, the Commission of the CER released its decision on the application for the 3.6-kilometre-long Westridge Delivery Line Relocation, finding that it is in the public interest.

The project will replace an existing delivery line that currently transports oil from the Burnaby Terminal to the Westridge Marine terminal through residential areas of Burnaby. The new delivery line will use the same tunnel through Burnaby Mountain as the two other delivery lines that are part of the Trans Mountain Expansion Project (TMEP). The full decision can be found here [Filing C06322].

Temporary physical disturbance caused by construction of the new delivery line is anticipated only at the proposed entry and exit points for the tunnel, both of which are within the fence lines of Trans Mountain-owned, industrial-zoned land at the Burnaby Terminal and Westridge Marine Terminal. Once the new delivery line is operational, the CER expects Trans Mountain to file an application to decommission the existing delivery line.

Based on Trans Mountain’s current schedule, tunneling activities through Burnaby Mountain are expected to commence in the fall/winter of 2020 and take upwards of two years to complete.

The new delivery line will not result in an increase in the approved volume of transported oil, and its location through Burnaby Mountain is responsive to previous feedback from residents requesting that the existing delivery line be moved from under Burnaby’s streets. This is consistent with the previous National Energy Board finding in the TMEP Certificate hearing that routing the two new TMEP delivery lines through Burnaby Mountain “is the preferable route because it avoids residential areas and urban infrastructure, reduces environmental effects during construction and operation, and minimizes risk during operation.”

May 15, 2020 – TMEP oversight work continuing during the pandemic:

The Commission of the CER has issued 20 condition compliance and operations decisions in the two months since the COVID-19 global pandemic. These include letter reports, information requests and other non-routing variances and general decisions. These filings can be found on the CER’s condition compliance page.

During the same time period, in regards to detailed route matters, the Commission has issued 28 documents, including 12 procedural directives, five letters setting out comment processes, three informative letters, two detailed route hearing decision documents (covering three hearings), three information requests, one Hearing Order, one decision and one PPBoR approval. The CER’s website provides more information on the detailed route process.

Aligned with advice from federal and provincial authorities aimed at protecting public health, CER staff are continuing compliance verification activities during the pandemic and will verify that Trans Mountain has a plan that protects workers and communities. As construction activities change, the CER will adjust its compliance oversight to ensure public safety and environmental protection. More information can be found on the CER’s pandemic response page.

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