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J.Osborne (CERN) for CES

CES Studies at CERN for the Interaction Region : -Summary of Linear Collider IR meeting at CERN held on 16 February 2011 -Design Brief for external design specialists -Build-ability issues for concrete platforms underground -Conclusions. J.Osborne (CERN) for CES.

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J.Osborne (CERN) for CES

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  1. CES Studies at CERN for the Interaction Region :-Summary of Linear Collider IR meeting at CERN held on 16 February 2011-Design Brief for external design specialists-Build-ability issues for concrete platforms underground-Conclusions J.Osborne (CERN) for CES

  2. CLIC CDR Baseline Layouts for Interaction Region

  3. ILC RDR Baseline Layouts for Interaction Region ILC Concrete platform concept / shaft layout / crane capacities still need to be finalised before CE study can start

  4. ARUP’s matrix analysis strategy

  5. ARUP’s were asked to tender for 4 distinct tasks

  6. Air pads v Rollers for concrete platform movement will be further analysed

  7. 2d and 3d models will be developed for CLIC to do a “Time-dependant” state analysis. Possible 2nd phase use of these models for ILC layouts/geology.

  8. Budget for this Linear Collider IR study needs to be finalised: • Possible cost sharing FNAL (Task 1) CERN (Task 2) Some key decisions for ILC were resolved at Eugene meeting : • Are both detectors using the “concrete” platform strategy : Yes • Are the level of the platforms the same ? • For the overall layout : • Gantry crane capacity in the experimental hall ? • Should shafts be directly over the cavern or offset ? • Self shielding detectors : Yes

  9. Build-ability Issues for concrete platforms underground to be reviewed Steel plates with tangs placed on building floor slab

  10. Conclusions • If everyone agrees, ARUP’s could proceed with : • Task 1 - funded by FNAL ? (approx. 50KCHF) • Task 2 - funded by CERN (approx. 50KCHF) • This study will be of benefit to both ILC and CLIC projects • Several ILC detector issues need to be resolved before the study can go to the next level of detail • J.Osborne (CERN) for CES

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