Recapitalization of Submarine Shed (D294) Roof, His Majesty's Canadian Halifax Dockyard, Canadian Forces Base Halifax

The Department of National Defence (DND) is proposing to recapitalize the roof of the Submarine Shed (building D294) at His Majesty's Canadian (HMC) Halifax Dockyard, Canadian Forces Base (CFB) Halifax. During a recent wind event, the upper membrane layers of the roof delaminated from the insulation and are loose and failing. Project activities will include removal and disposal of 2-ply modified bitumen roofing and overlayment boards; removal and replacement of wet insulation; and new 75-millimetre insulation, cover board, and 2-ply modified bitumen roof over the area of work. The work is expected to take place Fall/Winter 2023-2024.

Latest update

November 23, 2023— The Department of National Defence issued its Notice of Determination and determined that the project is not likely to cause significant adverse environmental effects.



Key documents

Key documents
Document Number Document Title File Date
2 Notice of Determination - November 23, 2023
1 Public Comment Period on Intent to Make a Determination - October 23, 2023


Mike Wilson
Department of National Defence
Mike Wilson, Project Manager
WL7 1st floor
PO Box 99000 Stn Forces
Halifax, Nova Scotia B3K 5X5

  • Location

    • Canadian Forces Base Halifax (Nova Scotia)
  • Nature of Activity

    • Defense and Security
    • Maintenance activities (fences, walls)
  • Assessment Status

  • Start Date

  • Proponent

    Department of National Defence
  • Authorities

    • Department of National Defence
  • Assessment Type

    Project on federal lands
  • Reference Number


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...within 200 kilometres
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