Hall C Meeting SHMS Magnets and Support Structure Design and Procurement Status Paul Brindza January 26, 2009

SHMS Magnets and Support Structure SHMS Spectrometer and Magnets SC Magnet Procurement Status SHMS Magnet Recent Progress SHMS Support Structure Conclusions

SHMS TargetBenderQ1Q2Q3DipoleDetectors Electronics Room Cryo Transfer Line Power Supplies Shield House

SHMS Q1 Quadrupole Assembly JLAB Cold Iron Quad Design (CIQ) SHMS Horizontal Bend Dipole Warm Iron SC “C” Magnet SHMS Q3 Cosine 2Θ Quadrupole Assembly 60 cm warm bore cryo-stable design SHMS Cosine Θ Dipole Assembly 60 cm warm bore- cryo-stable design

Bo/GoApertureJ A/cm^2 Design HB3.10 T35 x 3628,900“C” Type Super Ferric Q110.6 T/m 40 cm23,430JLAB Q1 Cold Iron Q T/m 60 cm 5,800 Cosine (2 Θ ) Dip4.76 T 60 cm 5,000Cosine (Θ) SHMS Magnet Designs

I (A)L (H)E (MJ)Wt. HB t Q t Q t Dip t SHMS Magnets Stored Energy & Weight

SHMS Requirements from Optics and SC Magnet Design Margin MagnetOptics at 11GeV/c Design Maximum Design Margin HB dipole TM % Q1 Quad (T/M)M % Q2 Quad (T/M)M % Q3 Quad (T/M)M % Dipole TM %

SHMS SC Magnet Procurement Strategy SC Magnets will be built by contractors In a significant departure from HMS we will provide major SC magnet components – Superconductor (SSC surplus) – Cryo-Control Reservoir( same as HMS Design) – DC Power System( same as HMS) – Magnet Control System( Same as HMS) – Warm Yoke Steel

Cryogenic Control Reservoir Fabricated Cryostated Magnet RFP Fixed Price Procurement Conductor Processing Testing SC Cable DC Power System Magnet Control System Ship to JLAB On Site Integration & Assembly Acceptance Testing Magnet Support & Alignment Warm Iron Yoke SHMS SC Magnet System Plan

Procurement Status of SHMS Magnets Q1 Magnet bids under evaluation- don’t ask/don’t tell Q1 Award plan date is March 15, 2009 Q2Q3 & Dipole RFP released Jan 26, 2009 Q2Q3D Bids due May 2009, Award Dec HB magnet design review Feb. 10, 2009 MOU/Contract with NSCL ~ June 2009

Horizontal Bend Design by NSCL/MSU Warm Iron SC “C” Magnet

HB Coil Drawing and 3D CAD of Winding Tooling

HB Coil Winding Tooling

1 st Full HB Coil – 90 Turns

Q1 Quad 3D CAD Model Cold Iron Quad Design like HMS Q1 Bids are IN!!

Q1 Coil winding at SMI

First Phase II Q1 Coil

Q1 Coil Tests

SHMS Support Structure

Mechanical Requirements SHMS Minimum Scattering Angle 5.5 degrees SHMS-HMS angle = 17.5 degrees HMS Minimum Angle (present) 10.5 degrees SHMS Max angle 40 degrees HMS Max Angle(present ) 85 degrees Hall C Radius at SHMS max 73 feet Fit to beam pipe at 5.5 degrees ~ 5 mm Fit to HMS at 17.5 degrees ~ 1 cm

SHMS Support Structure Reference Design SHMS Support Structure Preliminary Design completed in 2007 by ALION, a local company with experience in large welded steel structures SHMS Support Structure Reference Design(RD) Completed by ALION January 28, 2009 RD will be the technical elements for the bid packages for the SHMS support structure. SHMS Support Structure RD review was held in December 08 at JLAB

SHMS General Arrangement

SHMS Support Cross Sections

SHMS Structure Preliminary Assembly Plan

Top View SHMS & HMS Spectrometers Bender Q1 Q2 Q3 Dipole Target Beamline HMS Spectrometer

Bottom View HMS SHMS Beamline stands SHMS wraps around front of HMS

Bender fit up to HMS Q1 Bender HMS Q1

Q3 & Dipole fit up Beamline Stand SHMS Q3 SHMS Dipole 24” Beamline Q2 Shield House notch

Shield House fit up Shield House Beamline Shield House notch Dipole Q3 Q2 Q1 Bender

Conclusions SHMS SC Magnet designs are sound, reviewed and procurement has started JLAB is a partner in the SHMS Magnet fabrication Superconductor, Cryogenic Interface, Iron Yokes DC systems and PLC based controls. SHMS Support Structure Reference Design is complete detail design and fabrication begins FY10 Since we haven’t spent a dime yet We are still On time and On budget!!