SHMS Design, Engineering & Construction Status for Hall C Users meeting Paul Brindza January 2010

Hall C SHMS 11 GeV/c Super Conducting Spectrometer Dipole Q3 Q2 Q1 HB DC Supplies Cryogenics Transfer Line Concrete Detector Shield House Removable Roof & side wall SHMS Steel Support Structure Hall C Pivot

SHMS Design, Engineering& Construction Status of SHMS overall Status of SHMS SC Magnets Status of JLAB supplied SC Magnet Systems Status of SHMS Support Structure and Shield House (SS/SH) Conclusions

SHMS Magnet Designs Magnetic Properties at 11 GeV/c MagnetField/Grad at 11GeV/c 11 Gev/c EFL (m) NI/pole (ATx10-6) Turns per pole Current (A) Stored Energy (MJ) HB2.572 T1.929 T.m Q T/M (T/m).m Q T/M (T/m).m Q T/M (T/m).m Dipole3.858 T T.m jlabgrp\wbs\6\mjf\hall_c\lassiter\SHMS\SHMS Magnets Design 2009.pptx10/26/2009

Cryogenic Control Reservoir Meyer Tool Fabricate Cryostated Magnet Q1 underway RFP Fixed Price Procurements Q1 awarded Conductor Processing HB & Q1 complete Q23D TBD Testing at BNL Complete SC Cable (SSC surplus) DC Power System Bids in Magnet Control System JLAB design started Ship to JLAB On Site Integration & Assembly Acceptance Testing Magnet Support & Alignment Warm Iron Yoke SHMS SC Magnet System Plan

SHMS Design, Engineering& Construction HB 3.1 Tesla Dipole SC Magnet MOU for HB Collaboration with MSU/NSCL Reference Design completed Feb 09 Design reviews (Oct 06, April 08, Feb 09) JLAB Tech Spec complete - reviewed June 09 Sole Source RFP to MSU/NSCL June 09 HB Proposal/Bid for Construction Aug/Dec 09 Final Negotiations with MSU/NSCL underway

HB SC Magnet HB Reference Design Review Successful Feb 09 Superferric “C” magnet 2.7 Tesla 35cm x 36cm bore M EFL 1.93 TM 17.7 % design margin 290 KJ stored Energy

Q1 9 Tesla/meter SC Quad Magnet Construction Contract Awarded for the Q1 SC quad magnet to Scientific Magnetics(SMI) July 2009 for delivery in Dec 2011.(D1 Milestone) Conductor acceptance by SMI( F1 Milestone) First Q1 design review Oct 09(D2 milestone) Conductor insulated at SMI (F2 milestone) Magnetic analysis by SMI (D7 milestone) Instrumentation Design (D13 milestone)

Q1 SC Magnet JLAB Cold Iron Design ( clone of HMS Q1) 11 GeV/c performance 8.3 T/M Gradient 40 cm warm bore 1.9 M EFL (T/M)M Int. Grad. 510 KJ Stored Energy 26 % design margin

SHMS Design, Engineering& Construction Q2 Q3 & Dipole cosine type SC Magnets Bid/RFP released March 2009 Bids in July 7 th 2009 “too few & too high”  Rebid in Jan 2010 with revised requirements  Split procurement of dipole and quads  Lower current more turns(more temp. margin)  Revised coil winding design(even more turns)  Larger bidders list  Bids due in April 2010

Q2/Q3 SC Cosine(2Θ)Magnets Q T/M SC Quad 60 cm. warm bore 1.61 EFL 16 % design margin 8.0 MJ stored Energy Q3 identical to Q2 but runs at 8 T/M

SHMS SC Dipole cryogenically stabilized design 4 Tesla Cosine(Θ)dipole 60 cm warm bore 2.85 M EFL 11.2 TM Integral B.dL 18 % design margin 16.5 MJ stored Energy 11 GeV/c

SHMS Design, Engineering & Construction SC Magnet Components & Systems I SHMS Superconductor- Design complete All SHMS SC Cable Tested at BNL 07/08 SC Cable reshaping for HB,Q1 complete 2007 SC Copper Extrusion- Bids in Award Copper Feb 2010 &extrusion April 2010 SC wave soldering- Bids In Planned Award April 2010

SHMS Design, Engineering& Construction SC Magnet Components & Systems II Cryo-Control Reservoir(CCR) Design complete CCR Bids in Aug 10- under evaluation Awarded to Meyer Tool December 2009 First CCR delivery May 2010 Burnout Resistant Current Leads(BRCL) Design Complete( clone of G0 magnet leads) BRCL pair built and tested by AMI in 2006 Award to AMI in Oct. 09-delivery Feb 2010

CCR cut away view

SHMS Design, Engineering& Construction SC Magnet Components & Systems III DC Power Systems- Design complete Bids in Jan planned award April 2010 SC Magnet Instrument & Control Clone of HMS System - Fabrication at JLAB Yoke steel- Design complete awaiting final SC magnet design to finalize bid in 2011-Fabrication 2011/2012

Support Structure and Shield House (SS/SH) SS/SH Reference Design review Dec D CAD of Structure and Shield House Assembly Plan of structure Drawings of SS/SH & Wheel Bogey redesign Shielding and detector access design FEA of steel structure by JLAB Fab. Drawings and Construction Support for SHMS SS/SH- RFP in Preparation(2010) Steel Components Fabrication 4Q 2011/2012

SHMS Steel Structure 200 tons of Steel Prefabricated Sections Assembly in Hall C

SHMS Shielding Concrete shield house structural & neutron Thermalization and absorption of primary radiation Inner wall of “Stucco” made from Boron Carbide(B4C) to absorb thermal neutrons 2 inch lead layer to absorb gamma’s Studies of dry packed B4C complete B4C Stucco tests underway

2 in lead on front and beam side walls

Conclusions SHMS SC Magnet designs 100 % complete Q1 contract awarded, HB in Evaluation Q2Q3 and Dipole rebid SS/SH Reference Design complete & RFP for fabrication drawings and construction support underway Magnet systems by JLAB well along Beam line, SHMS vacuum, cryo supply TBD Detector support well along-SHMS lead glass support complete