1. DESIGN STATUS PREX II
Alan Gavalya
15DEC14

2. Existing Design Shielding concept Collimator concept
Target concept (Hall C designer)

3. Existing Design

4. Remaining Tasks and Challenges
Disassembly will drive the design (ALARA)
Access within one month desired (Plug collimator)
Shielding needs to be supported (Adding weight to existing support)
Verify water shielding in vacuum (Dissipate 3 Watts, no leaks)
Design new frame to facilitate disassembly and support added weight

5. Upstream Shielding

6. Complete Shielding Section View

7. Shielding Arrangement

8. Downstream Extension with Collimator and Sieves

9. Elevation Cut Through Downstream Extension

10. Carriage Weldment Section

11. Required Engineering/Design Resource Estimate
Engineer MW
Designer MW
Detail/Drafter 70 MW
Total Man Weeks