Jetty NB Maintenance and Pile Cap Repairs- His Majesty's Canadian Halifax Dockyard, Canadian Forces Base Halifax

The Department of National Defence (DND) is proposing to complete maintenance and repairs and pile cap repairs to Jetty NB at His Majesty's Canadian (HMC) Halifax Dockyard, Canadian Forces Base (CFB) Halifax. Maintenance and repair activities include the following:

  • Localized pile repairs consisting of welding steel to the piles to cover holes and deterioration.
  • Installation of anodes on piles and steel sheet pile wall
  • Timber bull-rail and curb replacement
  • Ladder and holdfast replacements
  • Mechanical systems – piping investigation and vent system
  • Electrical systems – investigation and repairs
  • Concrete repairs – jetty deck, exterior pollution skirt, and maintenance tunnels
  • Replace pipe supports.
  • Replacement sump system
  • Re-paint bollards

Pile cap repairs include the following:

  • Repair of Jetty NB Expansion Joint – This work would involve working from the top and underside of the deck and comprise removing the old expansion joint steel, restoring the expansion joint to the original design spacing, installing new stainless-steel nosing and cover plate on either side of the expansion joint, and foam backer rod and flexible joint sealant would be installed across the width of Jetty NB in the new expansion joint to provide a flexible and sealed joint.
  • Partial Demolition and Removal of the Concrete Deck and Pile Cap – This work would involve saw cutting into and around the batter pile group requiring repair from the top of the Jetty NB deck and demolishing the concrete deck and pile cap. This work would be done by working from the top of the Jetty NB deck and the underside of the Jetty NB deck on barges or floating work platforms.
  • Install Concrete Filled Steel Piles – This work would involve bringing pile driving equipment and a crane onto the deck of Jetty NB and comprise driving the piles into the existing seabed with specialized pile-driving equipment positioned on the top of the deck.
  • Restoration of Concrete Deck and Pile Cap – This work would involve working from the top and underside of the Jetty NB deck and comprise installing and supporting the formwork from the existing piles and/or suspended from the top and underside of the concrete deck to restore the deck structure.

More

Latest update

April 22, 2024 – 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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Key documents

Key documents
Document Number Document Title File Date
1 Public Comment Period on Intent to Make a Determination - April 2, 2024

Contacts

Jeffery Levy
Department of National Defence
Jeffery Levy, Project Manager, Real Property Operations Unit - Atlantic Section
PO Box 99000 Stn Forces
Halifax, Nova Scotia B3K 5X5
Email: Jeffery.Levy@forces.gc.ca


  • Location

    • His Majesty's Canadian Halifax Dockyard (Nova Scotia)

  • Nature of Activity

    • Maintenance activities (fences, walls)

  • Assessment Status

    In progress

  • Start Date

    2024-04-02

  • Proponent

    Department of National Defence

  • Authorities

    • Department of National Defence

  • Assessment Type

    Project on federal lands

  • Reference Number

    88461
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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.

 

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