Description
That part of the host rock damaged by construction of the GDF. The extent of this excavation damaged zone (EDZ) along galleries and shafts will depend on the host rock and construction methods used.
Category
Category of FEP
Supercontainer EBS
Sub-category
Sub-category of FEP
Disposal system
Ondraf Niras FEP Number
Ondraf Niras FEP Number
9
FEP Effects
Description of FEP Effects
EDZ properties affect the rate of GDF resaturation and radionuclide transport from the EBS to the host rock.
NEA TN2 IFEP Reference(s)
Related IFEPs from the NEA TN2 List of Proposed IFEP Revisions [NEA/RWM/R(2013)8]
3.1.6 Excavation damaged and disturbed zones.