Manipulator system cold validation testing (CVT) was performed in support of the Fuel Retrieval System (FRS) Sub-Proje~a subtask of the Spent Nuclear Fuel Project at the Hanford Site in Richlan& Washington. The FRS will be used to retrieve and repackage K-Basin Spent Nuclear Fuel (SNF) currently stored in old K-Plant stomge basins. The FRS is required to retrieve fidl fhel canisters from the basirq clean the Iiel elements inside the canister to remove excessive uranium corrosion products (or sludge); remove the contents from the canisters; and sort the resulting debris, scrap, and fhel for repackaging. The fuel elements and scrap will be collected in fiel storage and scrap baskets in preparation for loading into a multi canister overpack (MCO), while the debris is loaded into a debris bin and disposed of as solid waste. The FRS is composed of three major subsystems. The Manipulator Subsystem provides remote handling of fuel, scmp, and debris; the In-Pool Equipment subsystem pdorms cleaning of fiel and provides a work surface for handling material% and the Remote Viewing Subsystem provides for remote viewing of the work area by operators. There are two complete and identical FRS systems, one to be installed in the K-West basin and one to be Wled in the K-East basin. Another partial system will be installed in a cold test facility to provide for operator training.
An existing gap in the technology for the remediation of underground waste storage tanks has now been filled by the Light Duty Utility Arm (LDUA) System. On September 27 and 30,1996, the LDUA System was deployed in underground storage tank T-106 at Hanford. The system performed successfully, satisfying all objectives of the in-tank operational test (hot test); performing close-up video inspection of features of tank dome, risers, and wall; and grasping and repositioning in-tank debris. The successful completion of hot testing at Hanford means that areas of tank structure and waste surface that were previously inaccessible are now within reach of remote tools for inspection, waste analysis, and small-scale retrieval. The LDUA System has become a new addition to the arsenal of technologies being applied to solve tank waste remediation challenges. demonstrating a prototype system in a laboratory environment. The production of a fielddeployed system that is ready for continuous operation required a significant effort that included: The LDUA program is a development effort that has gone far beyond simply e Environmental hardening of the equipment (outdoor exposure and in-tank hazards: radiation, corrosive chemicals, flammable gas, etc.). Providing the infiastructure to support the deployment (people, procedures, training, and equipment, etc.). Obtaining the approval to deploy (design pedigree, configuration documentation, safety documentation, environmental documentation, and satisfying the elaborate readiness review process). A teaming relationship between the developers and end users was established from the outset and has been a key factor in the successful deployment and transfer of LDUA technology. A teaming relationship was also established among multiple U.S. Department of Energy (DOE) sites and national laboratories to share expertise and to apply common solutions to common site needs. A partnership between developers, end users, and industry has applied commercial expertise guided by specific knowledge of site requirements and restrictions in delivering state-of-the-art systems. This successful teaming arrangement has resulted in significant cost and schedule savings and is a model for future technology development programs.
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