Description
Galleries and shafts connecting the supercontainer disposal galleries, and connecting the GDF to the surface, including any materials emplaced in the galleries and shafts.
Category
Category of FEP
Supercontainer EBS
Sub-category
Sub-category of FEP
Disposal system
Ondraf Niras FEP Number
Ondraf Niras FEP Number
8
FEP Effects
Description of FEP Effects
Galleries provide potential pathways for water ingress and radionuclide transport. The disposition of these galleries, and the nature of the seals used, will control the importance of this pathway.
NEA TN2 IFEP Reference(s)
Related IFEPs from the NEA TN2 List of Proposed IFEP Revisions [NEA/RWM/R(2013)8]
3.1.1 Design. 3.1.3 Room/tunnel seals. 3.1.4 Shaft/ramp seals. 3.1.5 Other engineered features.