This video shows the emplacement of a waste canister deep underground (~600m) and the backfilling of the emplacement tunnel with bentonite clay. See FEBEX for research carried out at the Grimsel Test Site (GTS) on the emplacement canister in the bentonite clay.
Tunnel overview - Transport of canister to emplacement tunnels
Emplacement - Transport and emplacement of HLW Canister in storage tunnels
Retrievability - Nagra's concept for retrieving an emplacement canister
Multiple Barrier System - The engineered and far-field barrier system