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Title: Hanford K Basins spent nuclear fuels project update

Twenty one hundred metric tons of spent nuclear fuel are stored in two concrete pools on the Hanford Site, known as the K Basins, near the Columbia River. The deteriorating conditions of the fuel and the basins provide engineering and management challenges to assure safe current and future storage. DE and S Hanford, Inc., part of the Fluor Daniel Hanford, Inc. lead team on the Project Hanford Management Contract, is constructing facilities and systems to move the fuel from current wet pool storage to a dry interim storage facility away from the Columbia River, and to treat and dispose of K Basins sludge, debris and water. The process starts in the K Basins where fuel elements will be removed from existing canisters, washed, and separated from sludge and scrap fuel pieces. Fuel elements will be placed in baskets and loaded into Multi-Canister Overpacks (MCOs) and into transportation casks. The MCO and cask will be transported into the Cold Vacuum Drying Facility, where free water within the MCO will be removed under vacuum at slightly elevated temperatures. The MCOs will be sealed and transported via the transport cask to the Canister Storage Building (CSB) in the 200 Area for staging priormore » to hot conditioning. The conditioning step to remove chemically bound water is performed by holding the MCO at 300 C under vacuum. This step is necessary to prevent excessive pressure buildup during interim storage that could be caused by corrosion. After conditioning, MCOs will remain in the CSB for interim storage until a national repository is completed.« less
Authors:
Publication Date:
OSTI Identifier:
10154290
Report Number(s):
HNF-SA--3205-FP-Rev.1; CONF-971128--
ON: DE99050332; BR: EW7040000; TRN: AHC29928%%61
DOE Contract Number:
AC06-96RL13200
Resource Type:
Conference
Resource Relation:
Conference: International decontamination and decommissioning symposium,Miami, FL (United States),30 Nov - 4 Dec 1997; Other Information: PBD: 17 Oct 1997
Research Org:
Fluor Daniel Hanford Inc., Richland, WA (United States)
Sponsoring Org:
USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; SPENT FUEL STORAGE; FUEL STORAGE POOLS; HANFORD RESERVATION; DRY STORAGE; REMEDIAL ACTION; DECOMMISSIONING; SPENT FUELS; WATER REMOVAL; MONITORED RETRIEVABLE STORAGE 054000; 050900; HEALTH AND SAFETY; TRANSPORT, HANDLING, AND STORAGE