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Design of a high-level waste repository system for the United States

Technical Report ·
DOI:https://doi.org/10.2172/137674· OSTI ID:137674
This report presents a conceptual design for a High Level Waste disposal system for fuel discharged by US commercial power reactors, using the Yucca Mountain repository site recently designated by federal legislation. Principal features of the resulting conceptual design include use of unit trains for periodic removal of old spent fuel from at-reactor storage facilities, buffer storage at the repository site using dual purpose transportation/storage casks, repackaging of the spent fuel from the dual purpose transportation/storage casks directly into special-alloy disposal canisters as intact fuel assemblies, without rod consolidation, emplacement into a repository of modular design, use of excavation techniques that minimize disturbance, both mechanical and chemical, to the geologic environment, a unit rail mounted vehicle for both the transportation and emplacement of the canister from the surface facilities to the underground repository, and a cost-effectiveness computer model of Yucca Mountain and an independent cost evaluation by members of the design team. 31 refs., 58 figs., 15 tabs.
Research Organization:
Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Nuclear Engineering
DOE Contract Number:
AC05-76OR00033
OSTI ID:
137674
Report Number(s):
MITNE--281; ON: DE90007744
Country of Publication:
United States
Language:
English