In Germany, progress has been made in been development of a cask syste
m for final disposal of spent fuel. The requirements for a final dispo
sal cask and the planning requirements far a final repository are disc
ussed, and a cask system is described that meats these requirements. B
esides the description of tile cask system and the planned inventory,
the results of the shielding, criticality, and thermal calculations ar
e described, as well as the results of the drop tests that have been p
erformed with the cask. As a further development, a consolidated spent
-fuel canister is described.