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ECFA Preparatory Group "Shutdown constraints and radiation and activation effects”. W. Zeuner, W. Riegler, R. Lindner, B. Di Girolamo, G. Corti, C. Schaeffer,

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Presentation on theme: "ECFA Preparatory Group "Shutdown constraints and radiation and activation effects”. W. Zeuner, W. Riegler, R. Lindner, B. Di Girolamo, G. Corti, C. Schaeffer,"— Presentation transcript:

1 ECFA Preparatory Group "Shutdown constraints and radiation and activation effects”. W. Zeuner, W. Riegler, R. Lindner, B. Di Girolamo, G. Corti, C. Schaeffer, O. Beltramello 22.05.2013

2 Workshop Organization 2 main talks (plus discussions) * What are the main issues addressed in this working group * Organizational issues : working group mandate, member list and working plan We will consult within CERN to prepare the workshop with : Other GLIMOs, RP group, Experiments TCs, LHC...

3 Activation calculation and Radiation Protection 1. Need of additional RP calculations/ estimation for HL-LHC for : * New detectors / equipments calculations * Air activation calculation Assessment of the impact on: - Short access conditions - Ventilation system (Air circulation) - Service caverns shielding - Experimental caverns boundaries ? 2. Contamination assessment (dust, liquids,..): * Amplitude of the problem * Required infrastructure and equipments * Need of instrumentation and sampling * Impact on activities * Destructive work in undergrounds 3. Waste/Operational zoning and management for HL-LHC: * Operational and waste zoning calculation * Cool down areas and storage space requirements * Radioactive workshops requirements

4 Activation calculation and Radiation Protection 4. Dosimetry Delivery system of operational dosimeters linked to the Access system 5. Experiments strategy to decrease the activation issue for HL-LHC * Equipment / detectors maintenance modifications * Material * Remote handling or robotics use * Shielding Associated schedule Define common development programs between Experiments

5 Infrastructure and safety systems upgrade and consolidation 1. Ventilation system upgrade: * identify the requirements (air contamination (circulation and exhaust), ageing, control system upgrade,..) * possible upgrade planning for LS2 and LS3 * Remaining overpressure issue in LHCb 2. Upgrade of safety systems * Sniffers ? etc... ? 3. New safety system required ? Timing and duration of the shutdowns driven by : * Physics Needs / Integrated Luminosity * Longevity of detector components * ALARA * Maintenance needs of LHC and experiments Experiments specific issues

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