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Subtidal Cobble Replacement

Seaspan ULC proposes to replace subtidal cobble in Burrard Inlet adjacent to their facility located in North Vancouver. The cobble substrate was scoured by vessel activity and replacement of the cobble will reinstate habitat conditions and promote kelp growth at the site. The cobble placement area (approximately 870 square meters) is on the subtidal slope of the eastern edge of the shipyard. The cobble placement is proposed to be completed by barge fitted with a telebelt (conveyor) to place the cobble on the seabed. This method allows the operator to control the speed and distribute the cobble evenly across the area. The telebelt will be configured so that the cobble is released as close to the seabed as possible. The targeted coverage will be 75 percent to allow spacing between cobbles to allow for kelp growth and refuge areas for fish. The project is anticipated to take one day to complete and will take place during the fisheries least risk window for Burrard Inlet.


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.


Latest update

End of Public Comment Period

The public comment period on the project is closed. The Vancouver Fraser Port Authority is considering comments received to help inform its determination on whether the carrying out of the project is likely to cause significant adverse environmental effects..


Project and Environmental Review
Vancouver Fraser Port Authority
100 The Pointe, 999 Canada Place
Vancouver, BC V6C 3T4

  • Location

    • North Vancouver (British Columbia)
  • Project Type

    • Ports and Harbours
    • Remediation and conservation
  • Status

  • Start Date

  • Proponent

    Seaspan ULC
  • Authorities

    • Vancouver Fraser Port Authority
  • Assessment Type

    Project on federal lands
  • Reference Number


Nearby projects

..within 200 kilometres
Date modified: