Systems for Remotely Controlled Decommissioning Operations

1. Executive Summary.- 1.1. Scope of study.- 1.2. Summary of findings.- 1.2.1. Review of already performed remote-controlled operations in decommissioning.- 1.2.2. Definition of the different tasks in decommissioning and of the techniques which may possibly be applied.- 1.2.3. State of the art of existing equipment as applicable for decommissioning tasks.- 1.2.4. Systems analysis of all tasks suitable for remote handling and specification of corresponding hard-and software.- 1.2.5. Conceptual design of most promising systems.- 1.2.6. Conclusions. Needed developments and recommendations for future works.- 2. Review of Remote Controlled Operations in Decommissioning.- 2.1. Already performed decontamination and dismantling operations.- 2.1.1. Eurochemic.- 2.1.2. Fast reactor reprocessing plant.- 2.1.3. Trino Vercellese PWR reactor.- 2.1.4. Garigliano reactor.- 2.1.5. SRE and ERR reactors.- 2.1.6. Organic moderated reactor experiment.- 2.1.7. Remote handling in the decommissioning of 1ight water reactors and related fields.- 2.2. Plans and schedules for future decommissioning operations 18 and projects for dismantling techniques.- 2.2.1. WAGR.- 2.2.2. TM-2.- 2.2.3. KKN.- 2.2.4. Projects of dismantling machines.- 2.2.5. Plansand studies on future decommissioning projects.- References.- 3. Definition of the Different Tasks In Decommissioning and of the Techniques Which May Be Possibly Be Applied.- 3.1. Synopsis of the tasks occuring in decommissioning of nuclear power plants.- 3.1.1. Decommissioning alternatives.- 3.1.2. Summary of decommissioning tasks.- 3.2. Synopsis of the decommissioning techniques.- 3.2.1. Synopsis of the cutting techniques.- 3.3. Specification tables and technical data on decommissionung techniques.- References.- 4. State of the Art of Remotely Controlled Equipment.- 4.1. Equipment for remote dismantling in the bioshield.- 4.2. General purpose systems.- 4.2.1. Fixed industrial robot systems.- 4.2.2. Mobile robot systems.- 4.2.3. Signal processing and autonomous operation.- 4.3. Sub-systems.- 4.3.1. Vision sub-systems.- 4.3.2. Sensors and automatic positioning.- 4.3.3. Special manipulators.- References.- 5. System Analysis of All Tasks Suited for Remote Control and Specication of the Corresponding Hard-And Software.- 5.1. Task-specific potential.- 5.1.1. Definition of decommissioning operations.- 5.1.2. Plant systems.- 5.2. Type classification of tasks suited for remote control.- 5.2.1. Tasks areas.- 5.2.2. Plant-specific remote-control work.- 5.2.3. Task-specific remote-control work.- 5.3. Model of the dose reduction by robotic systems.- 5.3.1. Approach to the model.- 5.3.2. Analysis of technique-specific manrem savings.- 5.4. Analysis of remote-control work sequences.- 5.4.1. Plant survey and monitoring.- 5.4.2. Segmentation of metallic components.- 5.4.3. Decontamination of buildings structure surface.- 5.5. Definition of the performance profile for remote-controlled systems.- 5.6. Specification of hard-and software systems of remote-controlled equipment.- 5.6.1. Specification of the hard-and software systems.- 5.6.2. Concepts for remote-controlled equipment.- 5.6.3. Structure of a survey and monitoring device.- 5.7. Advanced technologies and subsystems.- 5.7.1. Data transmission via fibre-optic cables.- 5.7.2. Bus system for special vehicles and operation systems.- 5.7.3. Processor and robot system.- References.- 6. Conceptual Design of the Most Promising System.- 6.1. Survey and monitoring system vehicle.- 6.1.1. Basic design features.- 6.1.2. Inspection means.- 6.1.3. Radio-transmission.- 6.1.4. Power supply.- 6.1.5. Vehicle guiding system.- 6.2. Identification of functions common to the most promising systems.- 6.3. Electro-mechanical aspects.- 6.3.1. Power supply.- 6.3.2. Driving mechanisms - propulsion.- 6.3.3. Manipulator kinematics and dynamics.- 6.3.4. Base and stabilization.- 6.4. Environmental aspects.- 6.4.1. General design based on environmental conditions.- 6.4.2. Remote decontamination and disassembly.- 6.4.3. Choice of materials.- 6.5. Control.- 6.5.1. Sensors.- 6.5.2. Data transmission systems.- 6.5.3. Control methods.- 6.5.4. Collision and obstacle avoidance.- 6.5.5. Programming languages.- 6.5.6. Control room-ergonometry.- References.- 7. Recommendations for Research and Development - Conclusions.- 7.1. Estimation of R&D time schedule and cost.- 7.2. R&D needs for proposed concepts.- 7.3. Conclusions.