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Solid Radioactive Waste Strategy Report.pdf - UK EPR

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<strong>EPR</strong> <strong>UK</strong><br />

N° NESH-G/2008/en/0123<br />

REV. A PAGE 191 / 257<br />

FIGURE 74: EXAMPLE OF INSERTION OPENINGS IN A STORAGE FACILITY<br />

The storage concrete compartments will be of different sizes but can be subdivided into sections<br />

to accommodate different packages. Thus the storage compartments can be loaded with<br />

different waste package geometries and stacking characteristics. The compartments are<br />

designed so that additional stacking aids can be installed if the packaging requires additional<br />

support.<br />

The compartments are individually connected to an active ventilation system. The active<br />

ventilation system connects the compartments and routes the exhaust air to the ventilation/air<br />

conditioning system.<br />

Due to the expected life span of 100 years the ventilation ducts could be integrated in the<br />

concrete structure.<br />

Whilst the active ventilation is primarily used during the loading/unloading (and infrequent<br />

inspection procedures) all compartments that are not actively operated are left in a passive<br />

state.<br />

During this passive stage the compartment remains fully enclosed and access of air that can<br />

result in changes of humidity within the compartment will be minimised though the closure of all<br />

openings.

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