Deep geological disposal - Far field

A series of emplacement tunnels will be constructed deep underground to house the HLW and SF canisters. An example layout for a SF/HLW repository and an operational study (surface facilities, emplacement tunnels, pilot tunnels, rock laboratory, access ramp, ventilation tower, etc.) has been developed by Nagra.

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Video overview of a possible tunnel layout for a SF/HLW repository, designed for a sedimentary formation

The images below are stills taken from the Nagra Die LÖSUNG DVD which outlines the procedures and methods for the remote emplacement of a HLW / spent fuel canister.  Please see the Media & Downloads section for additional videos on geological emplacement.

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Overview of Deep Geolgical Disposal - click for larger image

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Emplacement tunnels - click for larger image

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Pilot tunnels - click for larger image

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Underground rock laboratory area - click for larger image

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Access ramp - click for larger image

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Repository situated at a depth ~600m - click for larger image


The GTS underground facilities are also available to interested 3rd parties for underground testing and research. The GTS offers cost-effective access to a fully developed, well characterised underground research facility with round the year logistical support - please contact Dr. Ingo Blechschmidt, Head of the Grimsel Test Site, for further details.
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