ILC Report RDR Design Freeze Barry Barish Caltech / GDE Global Design Effort 1
Progress toward RDR Global Design Effort 2
Baseline to a RDR 2006 Jan July Dec Frascati Bangalore Vancouver Valencia Freeze Configuration Organize for RDR Review Design/Cost Methodology Review Initial Design / Cost Review Final Design / Cost RDR Document Design and Costing Preliminary RDR Released Global Design Effort 3
Vancouver Cost Data System July 18, 2006 - Cost Estimates received for Regional description common e- e+ DR RTML ML BDS Exp Am Asia Eur e- Source e+ Source DR RTML Main Linac BDS Com, Op, Reliab Control System Cryogenics * * Convent. Facilities * Installation Instrumentation Cavities Cryomodules RF Magnets & PS * * Dumps & Collim Vacuum Accel Phys = complete, * = almost complete, missing something minor Global Design Effort 4
Costs by Area System ILC Estimate by Area Systems -17july06 Main Linac DRs Beam Deliv RTML e+ Source Exp. Halls e- Source General Global Design Effort 5
Costs by Technical & Global System ILC Estimate by Technical & Global Systems - 22july06 Cryogenics Magnets Controls Installation Conventional Facilities Vacuum RF Instrumentation CM & Cavities Dumps & Collimators Global Design Effort 6
Optimizing Cost to Performance RDR MB CCB 2 14mr IRs supported central injectors supported Removal of service tunnel rejected conventional e+ source rejected RF unit modifications (24 26 cav/klys) supported submitted reduced RF in DR (6 9mm σ z ) supported in prep DR race-track lattice (CFS) supported in prep reduced static cryo overhead supported in prep removal linac RF overhead supported in prep single-stage bunch compressor rejected e- source: common pre-accelerator supported in prep Global Design Effort 7
Vancouver Costs for BDS Cost drivers CF&S Magnet system Vacuum system Installation Dumps & Collimators Total Cost Additional costs for IR20 and IR2 Global Design Effort 8
2/20 mrad 14/14 mrad Motivation Reduce costs 2 mrad beam line expensive, risky, especially extraction line Common collider hall Advantages Improved radiation conditions in the extraction lines Better performance of downstream diagnostics Easier design and operation of extraction optics and magnets Reduced back scattering from extraction line elements Disadvantages Impact on physics (appears minor at present). Simpler incoming beam optics R&D on small crossing angles will continue as alternative Global Design Effort 9
On-surface Detector Assembly Vancouver WBS considered the underground halls sized at 32m (W) x 72m (L) each to allow underground assembly of the largest considered detector. Conventional Facilities Schedule gives detector hall is ready for detector assembly 5 yrs from project start If so, cannot fit our goal of 7years until first beam and 8years until physics run Surface assembly allows to save 2-2.5 years and allows to fit into this goal The collider hall size may be smaller (~40-50%) in this case A building on surface is needed, but savings may be still substantial Optimization needs to be done Global Design Effort 10
On-surface assembly CMS assembly approach Assembled on the surface in parallel with underground work Allows pre-commissioning before lowering Lowering using dedicated heavy lifting equipment Potential for big time saving Reduce size of underground hall required Global Design Effort 11
Cost details of new 14/14 baseline Should we go to a single IR and push pull system and save 30% of BCD costs? Total cost 1.2 1 1.000 0.8 Updates from CF&S Magnets to be included a.u. 0.6 0.4 0.368 0.316 0.316 0.2 0 Total Common add for IR A add for IR B Global Design Effort 12
Push-Pull Evaluation Initiated by GDE & WWS at the end of September Detailed list of questions to be studied developed: http://www-project.slac.stanford.edu/ilc/acceldev/beamdelivery/rdr/docs/push-pull/ Large group of accelerator and detector colleagues, from ILC and other projects, is participating in design and discussion of these question The task force of detector experts was formed to contribute to detailed evaluation of the whole set of technical issues Global Design Effort 13
Cost Reductions Logged Our efforts at Valencia identified another 4.91%! Accumulated Cost Savings Each Cost Savings 25 20 15 % 10 5 0 initial BDS 14/ 14 + muon 1 e+ ring ML RF DR 9mm + e+ source RTML CF&S Shafts+ Centrarized DR BDS 1IR Cooling+Misc Energy? Luminosity? Global Design Effort 14
ILC Documents Several reports for different audiences Brochure non-technical audiences, ready now Quantum Universe level booklet ~30 pages Executive Summary ~ 30 pages Physics motivation, accelerator and detectors RDR Report ~ 300 pages high level description of the accelerator DCR Report ~ 250 pages physics and detectors Global Design Effort 15
RDR Report RDR is a high level description of the accelerator, CFS, sites and costs A snapshot of what we propose to build not a history of R&D, design evolution, and alternatives Editors: Nan Phinney (SLAC), Nobu Toge (KEK), Nick Walker (DESY) Original schedule was complete draft now, but has been pushed back because of cost iterations Global Design Effort 16
Reviewing RDR & Costs Global Design Effort 17
Plans until Beijing (Feb. '07) November December January February 2006 2007 Valencia Further cost consolidation CCR preparation & submission Cost & Design Freeze 30/11 Prepare for Full Cost Review SLAC Cost Review 14-16/12 Agency cost briefings Final cost corrections and documentation MAC 10-12/01/07 RDR prepare 1 st drafts Beijing: RDR draft published RDR final editing Global Design Effort 18
Charge for MAC Review On Wednesday 10, Thursday 11 and Friday 12 (until noon) January 2007, there will be an ILC MAC meeting at the Cockcroft Institute, Daresbury, UK. The major item for the meeting is the ILC cost and overall design, with specific MAC tasks: Review the soundness of the overall RDR concept, identify any areas of concern, note what R&D is still needed, and comment on whether the performance parameters can be met. Review the cost methodology and identify any areas of concern. This will be the first occasion at which costs will be presented outside of the GDE. Global Design Effort 19
What Happens after Beijing? Public Release of Draft RDR and Preliminary Costing at Beijing Cost Reviews, etc Finalize RDR by Summer 2007? Enter into Engineering Design Phase Planning underway internally Design will evolve through value engineering and R&D program General Goal is to have Construction Proposal ready by 2010 Global Design Effort 20
Proposed RDR Review Process Global Design Effort 21
Siting Aspects of RDR & Candidate Sites Global Design Effort 22
Three Samples Sites Site Aspects of RDR ILC Conventional Facilities Group: Jean-Luc Baldy (CERN), Vic Kuchler (Fermilab) and Atsushi Enomoto (KEK) + Support Group Sample Site Analysis - Europe (CERN); Japan (?); US (Fermilab) also, TESLA for reference and Russia unsolicited Conventional Facilities are expensive! Make narrow definition for host costs - goal ~ 25% of total. Global Design Effort 23
Costs by Technical & Global System ILC Estimate by Technical & Global Systems - 22july06 Cryogenics Magnets Controls Installation Conventional Facilities Vacuum RF Instrumentation CM & Cavities Dumps & Collimators Global Design Effort 24
Site Aspects of RDR Three Samples Sites ILC Conventional Facilities Group: Jean-Luc Baldy (CERN), Vic Kuchler (Fermilab) and Atsushi Enomoto (KEK) + Support Group Sample Site Analysis - Europe (CERN); Japan (?); US (Fermilab) also, TESLA for reference and Russia unsolicited Conventional Facilities are expensive! Make narrow definition for host costs - goal ~ 25% of total. Costing Regional Best estimates in own system of costing. They are close to equal, meaning the RDR siting chapter can concentrate on requirements, technical features, cost drivers, safety issues, other issues etc. Need true candidate sites within ~ 1-2 years for realistic engineering design. How do we solicit candidate sites Global Design Effort 25
Coordinating Global R&D Global Design Effort 26
The S R&D Task Forces S0 High-Gradient Cavities S1 High-Gradient Cryomodule S2 Test Linac S3 Damping Ring S4 Beam Delivery To address priority R&D items, RDB has convened several task forces. S0-S3 will report on Friday AM GDE plenary S5 Sn Global Design Effort 27
The S R&D Task Forces S0 High-Gradient Cavities S1 High-Gradient Cryomodule S2 Test Linac S3 Damping Ring S4 Beam Delivery S5 Sn Addresses current poor yield for EP cavities Primary goal: establish parameters for routinely producing 35 MV/m EP d cavities required 80% yield H. Hayano, T. Higo, L. Lilje, J. Mammosser, H. Padamsee, M. Ross, K. Saito Global Design Effort 28
Status of Costing Summary First costing available at Vancouver (July) Cost to performance optimization Status & Plans for design modifications Several proposals accepted and some rejected Changes having physics impact (Valencia) Complete RDR by Beijing Meetings Global planning for critical R&D beginning Formation of S task forces Global Design Effort 29
The RDR Some Key Issues The RDR is a snapshop of the concept and scope of the costs; NOT A MATURE DESIGN It is an optimized concept for the physics scope (ILCSC parameters) without doing detailed engineering (value engineering) and future R&D (demonstrations and alternatives) Engineering Design will be more cost effective, lower risk and maintain the physics scope. Next Phase Expensive Resources and Organization??? Involve University Community in Acc Design/ R&D Detector R&D Road map - collaborations/detectors Global Design Effort 30