Description

During periods of cold climate it cannot be excluded that the temperature in the central area will drop to values below 0 degree C. This means that the water in the crushed rock backfill may freeze.

SKB Number

SKB FEP Number

CA02

Main Category

Main category for FEP

Internal process

System Component

System component to which the FEP applies

Central area

Handling

Explanation of how the FEP is treated

Intact canister, Resaturation/ "thermal" period: Neglected since this requires permafrost conditions. Intact canister, Long-term after saturation and "thermal" period: Neglected due to small impact.

References

Bibliographic references to obtain more information

SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.5.3, 6.1.2