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Next-Gen Gamma Irradiation Facility for SBA: User-Focused Features and Secure Infrastructure

Detailed plan for a new generation gamma irradiation facility, optimized for user needs, safety, and functionality. Includes layout schematics, adaptation for impact reduction on H2, irradiator specifications, radiation field control, technical infrastructure, and safety protocols.

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Next-Gen Gamma Irradiation Facility for SBA: User-Focused Features and Secure Infrastructure

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  1. The Next Generation of aGamma Irradiation FacilityGIF++ presented to SBA

  2. Contents • Users’ requirements • Layout • Adaptation to minimize impact on H2 (extension) • Wall and roof shielding, raised floor Dennis • Irradiator: filter system Dennis • Radiation field Dorothea • Users’ installation of permanent trackers Dorothea • Technical infrastructure • Schedule, budget A. Fabich

  3. Users’ requirements Document “Users’ requirements” under approval • Re-establish former GIF functionality • Secondary muon beam intercepting a photon field • Space for installing detectors to be tested • max. MDT (few meter) and calorimeters(few tons) • Common infrastructure and several gases A. Fabich

  4. Temperature/humidity • Users’ requirements: 20-24 °C, humidity 30-50%. • Optional: small ventilation unit (if really required) • Not required for safety aspects Measurements: autumn 2012 – spring 2013 (courtesy: R. Guida) A. Fabich

  5. Irradiator • Photons 662 keV (Cs-137 source, 16 TBq) • Prompt radiation only, no activation • Tender completed, order placed these days Irradiator directphotonfields 9 m 4.80m 6 m A. Fabich

  6. H4 – PPE 154 Maintain possibility for H2 extension Maintain minimum 2m wide corridor (central) A. Fabich

  7. GIF++ implementation Bunker Gas zone Counting rooms Preparation zone Central corridor A. Fabich

  8. Technical systems • Electricity, light (+emergency), Ethernet, cabling, cable trays, demineralised water, NO cryogenics • Beam equipment • Gases • Neutral and mixtures (containing flammable gases) • 15 gas supplies from the gas hut (build. 909) • 10 patch panels in bunker/preparation zone • Each for 4 neutral and 4 hazardous gases Supply lines should mainly be installed in raised floor A. Fabich

  9. Safety responsibility with SBA (together with CERN expert groups) • Radiation shielding • Flammable gas detection and ODH (in bunker) • Fire detection • Access system/personnel protection • Interlock(s), also with irradiator • Gas zone: ATEX conform (PH) A. Fabich

  10. Access: PPE, PPG, PPX and MAD PPX • Roof access for large equipment (using the bridge crane) • PPX/PPE: standard • PPG: concrete, motorized • MAD • Material access device for small equipment of computer size PPG MAD PPE • PPE+turnstile • single person entrance at a time without need for patrol A. Fabich

  11. PH responsibilities • Defining users’ requirements • Irradiator procurement • Equipment in the gas (mixing) zone • analysers, mixers … + ATEX conformity • Construction of permanent m-detectors • Slow control of irradiator, gas equipment, logging • DAQ system A. Fabich

  12. Cost estimate • Material+FSU • To be reviewed within functional design • Excluding PH contributions A. Fabich

  13. Schedule FINISHED: Tender documents ready ONGOING: Bunker design (false floor, roof, cable trays) about to be finished ONGOING: First draft ready to be circulated STARTED: Discussions with users about DAQ 13/02/2013 D. Pfeiffer (EN-MEF-LE) – 17/10/2012 A. Fabich

  14. Outlook • Until summer 2013 • Functional design to be completed • Operation scheme(s) (beam, irradiator access) • From summer 2013 • Area cleaning • Installation • Completed by summer 2014 A. Fabich

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