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HNF-3301-FP
THE POWER TOOL John P. Hayfield Jr. B&W Hanford Company P. O. Box 1200, S4-49 Richland, Washington 99352 POWER Tool - Planning, Optimization, Waste Estimating and Resourcing tool, a hand- held field estimating unit and relational database software tool for optimizing disassembly and final waste form of contaminated systems and equipment. THE PROBLEM The U.S. Department of Energy must deactivate and dismantle dozens of major facilities that are highly contaminated as a result of past weapons production activities. Each facility dismantlement will cost hundreds of millions of dollars and will generate large amounts of waste. Decisions on approach and sequencing for dismantling these facilities will be a major factor in the ultimate cost. There is an urgent need for a tool to help the technical staff of these facilities estimate the work needed and waste generated, perform case comparisons, and develop an optimized plan that can save tens of millions of dollars for each major facility. THE SOLUTION Task Structure and Sequencing A task structure and sequencing was developed to systematically estimate and plan the decontamination, dismantlement and waste disposal for contaminated systems. The structure lends itself to consideration of alternative methods that optimize between important attributes including; labor cost, waste disposal, and schedule. Different cases can be estimated to explore the effect of alternate work approaches, and the best tradeoff selected as the baseline for the project. Database Tool, Field Estimating Unit The POWER Tool software is used for field estimating on a small hand-held PC about the size of a videocassette and weighing less than 2 pounds. An adapter and neck strap has been designed to allow the unit to hang comfortably around the estimator's neck when not in use. The unit contains a high- , resolution color screen, a keyboard and pointing device for data entry. A high-capacity lithium-ion battery allows field operation for 3 to 4 hours before a battery change is required. Data is recorded on a flash-RAM card in the PCMCIA card slot in Fig. 1 Hand held PC
