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Construction of 400 Squadron Transition Infrastructure (H-18), CFB Borden

The Royal Canadian Air Force (RCAF) requires infrastructure to support 400 Squadron at CFB Borden now that it has completed the transformation from a Tactical Helicopter Squadron to an Air Maintenance Squadron. The transition of 400 Squadron was due to the rebalancing and centralization of 2nd line maintenance of the existing multi-role Griffon fleet assigned to 1 Wing.

Currently, select vehicle maintenance and transport operations along with aircraft material maintenance storage is conducted in Building P-156. Construction and renovation of the new H-18 infrastructure will allow all 400 Squadron maintenance required activities to be conducted at one location and reorganize the space utilized by the various shops. The renovation will also address existing health and safety concerns in H-18.

Anticipated H-18 renovations include the construction of a 1,839 m2 building addition attached to the existing H-18 via a corridor, a smaller 210 m2 building addition attached directly to H-18, as well as a 398 m2 second story addition (Figure 2).


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 project.

Latest update

May 24, 2020 – The public comment period on the project is closed. The Department of National Defence 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.

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  • Assistant Base Environment Officer, Canadian Forces Base Borden
  • Department of National Defence
  • 20 Seine Lane
  • Canadian Forces Base Borden, ON, L0M 1C0
  • Email:

  • Location

    • Canadian Forces Base Borden (Ontario)
  • Project Type

    • Building and Property Development
  • Status

    In progress
  • Start Date

  • Proponent

    Department of National Defence
  • Authorities

    • Department of National Defence
  • Assessment Type

    Project on federal lands
  • Reference Number


Nearby projects

..within 200 kilometres
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