Description
Consolidation of Opalinus Clay may lead to water flowing along tunnels/ramp/shaft; relatively high flow velocities may occur due to drainage of many emplacement tunnels into a single access tunnel/ramp/shaft.
OPA Category
Category as used in the OPA assessment
Tunnels and shafts
OPA Number
Number as used in the OPA assessment
2.03
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.07, 2.1.08