Mine Shaft Maintenance & Repair

Industry leaders in all facets of mine shaft maintenance and repair, from development to service installations

With experience ranging from shaft development through to service installations, Fortis’ team has worked on a variety of shaft rehabilitation projects that include concrete liner repair, ground rehabilitation, shaft steel installation and repairs and shaft services installation and removal. Fortis has successfully completed numerous shaft electrical cable installations ranging from communication cable up to 25kVA shaft feeder cables. Routinely developing safe and effective mine shaft procedures and plans for projects throughout the world makes Fortis a choice partner in mine shaft maintenance and repair. 

Fortis has previously completed the design, fabrication and testing of several styles of shaft brackets for various shaft services. Fortis has facilitated electrical cable testing with shaft bracket assemblies including pre-testing of electrical cables, testing under load, and post-testing cables to ensure securing methods do not impact functionality of the services.

  • Consulting

    • Procedure Development 
    • Assessments
  • Installation Services

    • Shaft Services
    • Shaft Liner Remediation
    • Shaft Steel
    • Loading Pocket
    • Rigid Guides
    • Conveyance Arresting Systems
    • Electrical Feeder Cables
  • Design and Supply

    • Shaft Brackets and Supports
    • Shaft Steel and Guides
    • Galloways and Work Decks
    • Engineered Headcovers
    • Conveyances
  • Support Services

    • Mine Shaft Accident Redmediation
    • Hoist / Shaft Decomissioning
    • Tubbing Bolt Replacement
    • Shaft Cleaning
    • Shaft Inspection
    • Project Management

    Related Projects

  • Feeder Cables

    Fortis was contracted to install six 25kV Feeder Cables in the Service Shaft. Fortis successfully completed the installation of three cables in 2011 and the remaining three in July 2012. Fortis utilizes a cross head with integrated camera to guide the cable down the shaft to the lower drift level...

  • #2 Shaft Upper Shaft Steel Replacement

    Fortis was commissioned to remove and replace the structural tower steel. The project was time critical as this shaft is the service shaft which transports personnel and materials underground. Fortis successfully completed this project on time so the client could return to their regularly scheduled cage times....

  • Shaft Bottom Structural Steel

    Fortis successfully completed the loading pocket steel Installation. The scope of work included the supply and installation of tower steel from the loading pocket up to the potash level....

  • Shaft Liner Remediation

    Fortis successfully completed shaft remediation on the concrete shaft liner. Over time water began eroding the ground behind the concrete liner. This erosion then put pressure on the liner and began to push it out into the shaft. Fortis installed mine grid mesh and steel strapping to temporarily secure the...

  • Feeder Cable & Associated Instrumentation

    Fortis provided all manpower and equipment to install (2x) 13.8kv shaft feeder cables and associated instrumentation cables in No.2 shaft. Fortis executed a top-Down installation utilizing a Fortis’ 44,000lb winch, custom reel trailer and sheave stand. All engineering and installation methodology developed by Fortis....

  • Electrical Cables in Bus Shaft

    Supplied personnel and equipment to assist with install of 54 electrical cables in a bus shaft project. Performed a top-down installation utilizing pneumatic winch and custom reel trailer and sheave stand. All engineering and installation methodology developed by Fortis....

  • Feeder Cable, Ground Cable & Fiber Optic Cable

    Fortis was commissioned to install 2 feeder cables, 2 ground cables, 2 fiber optic cable down two 8″ boreholes 500 + Meters deep. These cables feed an underground substation in a mine. Fortis custom designed and tested cable clamps which combined and supported the sacrificial support cable, fiber optic cable,...

  • Shaft Bracket & Feeder Cable

    All personnel and equipment to install shaft brackets/wedges and (2x) 15kv Prysmian Airguard 350 MCM shaft feeder cables were supplied by Fortis. We did a top-Down installation of a feeder cable utilizing Fortis’ 44,000lb winch and custom designed Reel Trailer and Cable Lowering Sheave Stand....

  • Shaft Bracket & Feeder Cable

    Fortis supplied all personel and equipment to install new 15kv Prysmian Airguard 350MCM shaft feeder cables. It was Installed from a cable reel mounted in the service cage bail as hoisted from underground to surface installing in CMP Zenith cable cleats on custom designed shaft brackets along the way....

  • Shaft De-Rope, Shaft Steel Installation, Rope-Up And Production Skip Installation

    Fortis was contracted by a client to provide personnel and equipment for several tasks. These included removing the existing mine hoist ropes, replacing the steel at the bottom of the shaft, and connecting to the new shaft tower structure as part of the conversion from a mine service shaft to...

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