Description

The thickness and properties of backfill emplaced between the supercontainer envelope and the gallery lining. Must also consider the dimensions and properties of supports on which the supercontainer is set.

Category

Category of FEP

Supercontainer EBS

Sub-category

Sub-category of FEP

Disposal system

Ondraf Niras FEP Number

Ondraf Niras FEP Number

6

FEP Effects

Description of FEP Effects

Backfill properties affect the time for host rock porewaters to arrive at the surface of the supercontainer and 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]

3.1.2 Buffer/backfill.