Modernisation of the hoisting plant shaft "Asse 2"
To be able to safely transport the waste to be recovered from the emplacement chambers of the Asse mine, it is planned to place the waste in special transport casks (overpacks) underground and to take them to the surface subsequently. The waste will be transported via the new to build shaft (shaft Asse 5). The existing hoisting plant in the Asse 2 shaft does not fulfil the requirements for a safe transport of the waste and is not suitable for an operating time lasting several more decades without prior remediation of the existing equipment, routine maintenance and repair. For an operation over a longer period of time, shaft 2 must therefore be modernised in order to further enable energy supply and waste disposal of the underground facilities including man haulage for the employed staff and ventilation of the mine openings.
Status of works
In order to determine the necessary planning bases, several experts have made a comprehensive survey of the present state and the need for remediation of the individual complexes of shaft 2. The following planning stages and the necessary licensing procedure according to Mining Law will be carried out in the next years. How and in what order the individual remediation measures can be implemented (to secure the second mobile exit from the mine openings or only after completion of shaft 5) follows from the future planning stages.