1. October 21, 2003H.J. Krebs1 LST Mechanical Design Review Handling & Installation Fixtures Design and Fabrication Status H.J. Krebs October 10, 2003

2. October 21, 2003H.J. Krebs2 Gap Filler Plate Removal Fixture (Existing)

3. October 21, 2003H.J. Krebs3 Gap Filler Plate Removal Fixture

4. October 21, 2003H.J. Krebs4 Installation & Handling Fixtures Status Center Gap Plate Fixture –Purpose Remove and reinstall the upper and lower center gap plates on the FWD end to enable removal of RPCs and installation of brass absorber plates and LSTs –Needed 2004 –Responsible person Jim Krebs –Status Design and drawings complete Fabrication complete

5. October 21, 2003H.J. Krebs5 Center Gap Plate Fixture

6. October 21, 2003H.J. Krebs6 Center Gap Plate Fixture

7. October 21, 2003H.J. Krebs7 Installation & Handling Fixtures Status Solenoid Support Arm Fixture –Purpose Remove and reinstall the upper and lower solenoid support arms on the FWD end used to react axial loads. This will enable removal of the upper and lower FWD corner blocks. –Needed 2004, 2005 –Responsible person Jim Krebs –Status Design and drawings complete Fabrication complete

8. October 21, 2003H.J. Krebs8 Solenoid Support Arm Fixture

9. October 21, 2003H.J. Krebs9 Solenoid Support Arm Fixture

10. October 21, 2003H.J. Krebs10 Installation & Handling Fixtures Status Corner Block Adaptors –Purpose Moves corner block rigging connection in Z direction to more convenient location. There are two basic adaptors corresponding to the mid & lower corner blocks and right and left hand units to correspond with east and west. –Needed 2004 (lower), 2005 (mid & lower) –Responsible person Jim Krebs –Status Design and drawings complete for lower adaptor Fabrication complete

11. October 21, 2003H.J. Krebs11 East Lower Corner Block Adaptor

12. October 21, 2003H.J. Krebs12 Lower Corner Block Adaptors

13. October 21, 2003H.J. Krebs13 Installation & Handling Fixtures Status Adaptor Installation Fixture –Purpose Used to install and remove the adaptors on the mid & lower corner blocks. –Needed 2004, 2005 –Responsible person Jim Krebs –Status Design and drawings complete Fabrication complete

14. October 21, 2003H.J. Krebs14 Adaptor Installation Fixture

15. October 21, 2003H.J. Krebs15 Installation & Handling Fixtures Status Corner Block C-Hooks –Purpose Supports corner block dead load from crane during removal and reinstallation process. There are three C-Hook designs corresponding to the lower, mid & upper corner bocks. –Needed 2004(lower & upper), 2005 (all) –Responsible person Jim Krebs –Status Upper –Design and drawings complete –Fabrication in process Mid –Initial CG calculations complete –No drawings at this time (not needed until 2005) Lower –CG calculations verified –No drawings at this time

16. October 21, 2003H.J. Krebs16 Upper Corner Block C-Hook

17. October 21, 2003H.J. Krebs17 Installation & Handling Fixtures Status Corner Block Receptacle & Lift Eye –Purpose Supports corner block vertically to release C-Hook and to lift corner block and load on truck using conventional rigging. –Needed 2004, 2005 –Responsible person Allen Constable –Status Design not yet started on receptacle Lift eye fabrication in process

18. October 21, 2003H.J. Krebs18 Corner Block Lift Eye

19. October 21, 2003H.J. Krebs19 Installation & Handling Fixtures Status Flux Bar Handling Fixture –Purpose Used to remove and reinstall the flux bars that are located behind the corner blocks. The flux bars must be removed to access layer 18. The handling fixture for the side flux bars may be different than that used for the top & bottom. –Needed 2004 (top & bottom), 2005 (sides) –Responsible person Jim Krebs –Status Design and drawings not yet started – December?

20. October 21, 2003H.J. Krebs20 Installation & Handling Fixtures Status Brass Installation Fixtures –Purpose Install brass plates in steel flux return gaps. Top & bottom fixtures are different than side fixtures. There is a separate presentation devoted to these fixtures. –Needed 2004 (top & bottom fixtures), 2005 (side fixtures) –Responsible person Allen Constable –Status Top & Bottom –Design complete –Fabrication »Parts in shop »Remaining parts on order Sides –Design scheduled to begin 12-8-03

21. October 21, 2003H.J. Krebs21 Installation & Handling Fixtures Status Brass Cambering Fixture –Purpose Modifies brass plate camber in field if steel gap is shaped different than expected. –Needed 2004, 2005 –Responsible person Allen Constable –Status Preliminary design complete Fabrication is not yet started

22. October 21, 2003H.J. Krebs22 Installation & Handling Fixtures Status Forward End Plug Handling Fixture & Spreader –Purpose Used to remove and reinstall the FWD end plug halves in the FWD end doors. Spreader bar needed to route rigging slings on each side (+Z & -Z) of the FWD end doors. –Needed 2005 –Responsible person Jim Krebs –Status Design and drawings are complete Fabrication is complete

23. October 21, 2003H.J. Krebs23 FWD End Plug Fixture

24. October 21, 2003H.J. Krebs24 FWD End Plug Fixture

25. October 21, 2003H.J. Krebs25 FWD End Plug Spreader Bar

26. October 21, 2003H.J. Krebs26 Installation & Handling Fixtures Status Forward End Plug Receivers –Purpose There are one each of a R.H. & L.H. receiver. These receivers support the FWD end plug halves in their normally installed orientation to allow the end plug handling fixture to be removed. The receivers will be used to transport the end plug halves to IR-12. –Needed 2005 –Responsible person Allen Constable –Status Design scheduled to begin 11-19-03 Fabrication is not yet started

27. October 21, 2003H.J. Krebs27 Installation & Handling Fixtures Status EMC Load Transfer Fixture –Purpose Transfers EMC gravitational load to flux return upper earthquake support beams to allow removal of FWD mid corner plates. There is a separate presentation devoted to this fixture. –Needed 2005 –Responsible person Richard Boyce –Status Design and drawings are in conceptual design phase Fabrication is not yet started

28. October 21, 2003H.J. Krebs28 Installation & Handling Fixtures Status Installation Platforms & Positioners –Purpose These devices are used to position fixtures and personnel in the proper orientation and elevation relative to the flux return steel. There are three basic devices: a vertical elevating platform, a horizontal angled positioner, and a device that will pull existing RPCs from their corresponding barrel slots. There is a separate presentation devoted to these devices –Needed 2004 (elevator, RPC puller), 2005 (all) –Responsible person Les Dittert –Status Design and drawings are complete Fabrication is not yet started

29. October 21, 2003H.J. Krebs29 Conclusions & Comments Barrel RPC removal, brass and LST installation require the development of several handling and installation fixtures. The LST installation equipment is not included in this presentation. (See Bill Sands talk) The design and fabrication of these fixtures are on schedule for the 2004 down. Our goal is to have these fixtures available as early as possible to take advantage of any potential schedule advancement.