Jet Demolition offers a turnkey service for the mining industry

9 November 2021
The most effective means of ensuring that redundant shafts are protected from occupation by illegal miners is to seal them permanently below natural ground level (NGL), typically after filling the shaft barrel. Here is where specialist demolition contractor Jet Demolition stands to play a vital role.
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application/vnd.openxmlformats-officedocument.wordprocessingml.document iconJet Demolition offers a turnkey service for the mining industry_approved26.86 KBDownload
PreviewAll material used to fill shafts must be clean and uncontaminated1.77 MBDownload
PreviewThe main requirement for permanent shaft sealing and capping projects is to ensure full compliance with the Mine Health and Safe893.81 KBDownload
PreviewJet Demolition pays particular attention to health and safety, especially when working over an open shaft6.02 MBDownload
PreviewJet Demolition Contracts Manager André Botes2.89 MBDownload

Another challenge is that various shafts are often interconnected, such as a live shaft and redundant shafts linking together hundreds of meters below NGL. “It is thus critical to ensure that we understand the network we are operating within, so that our capping and sealing activities do not influence or adversely affect miners underground in a neighbouring shaft,” comments Jet Demolition Contracts Manager André Botes (N. Dip. Mechanical Engineering).

Its turnkey service offering for the mining industry includes backfilling shaft barrels, designing permanent caps, installing caps at a defined depth below NGL, and recording the final position and depth of caps, followed by the backfill and reinstatement of the natural material over cap tops.

Mining houses typically require such a turnkey service for two main scenarios: Firstly, to seal the shaft permanently as a mitigating factor, thereby preventing unauthorised access by illegal miners or, secondly, to rehabilitate the mining footprint fully, rendering the area safe for public use.

The main requirement for permanent shaft sealing and capping projects is to ensure full compliance with the Mine Health and Safety Act, the provisions of the Department of Mineral Resources, the approved Environmental Management Plan, as well as any client-specific requirements.

The natural surrounding environment also has to be taken into account, paying special attention to natural water courses and stormwater management. This could mean rerouting natural water courses slightly, while ensuring there is no subsequent negative downstream effect. All material used to fill shafts must be clean and uncontaminated. This is vital to ensure that no groundwater contamination will occur after sealing.

Jet Demolition pays particular attention to health and safety, especially when working over an open shaft that could extend a few kilometres underground. “It is absolutely critical to protect plant and personnel from falling,” Botes stresses. Hence certified lifelines are installed prior to any work commencing, providing personnel with anchoring points during shaft sealing. Larger machines are also typically used for increased reach, and, in some instances, remote-controlled machines could be deployed to ensure the safety of persons.

Ends

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Notes to the Editor
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About Jet Demolition

Jet Demolition has been undertaking industrial demolition works since 1994, and is the leading, largest, and most technically-advanced demolition company in Africa. It offers in-house, full-range demolition services, including advanced mechanical solutions and controlled implosions. It actively pursues ongoing development of skills and equipment suited to the changing needs of the industry.

Jet Demolition is a technically-based company, with various staff members holding MSc, BSc, and BTech Degrees, as well as National Diplomas, in various engineering fields. This expertise gives it the technical foundation to successfully engineer solutions for large and complex demolition projects, and furthermore fuels its drive to deliver quality projects safely. Jet Demolition strives to offer its clients innovative and technical solutions to demanding demolition challenges.

Jet Demolition Contact

Kate Bester (NDip Civil Engineering - PMP)
Contracts Manager
Phone: (011) 495 3800
Cell: 072 811 5310
Email: kate [at] jetdemolition [dot] co [dot] za
Web: www.jetdemolition.co.za

Media Contact

Rachel Mekgwe

Account Executive

NGAGE Public Relations

Phone: (011) 867 7763

Fax: 086 512 3352

Cell: 074 212 1422

Email: rachel [at] ngage [dot] co [dot] za

Web: www.ngage.co.za

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