System Alignment Plan

Meeting 3-26-04

Attendants:

Robert Ruland

Martin Nordby

Mike Menning

David Rich

Alignment Outline

1. Define tower coordinate system

2. Measure Sidewalls to verify sidewall envelope

3. Measure Flexure I/F

4. Alignment Data reductin and analysis

5. Install & adjust conics, record cone position (clocking) knowledge.

6. Install grid simulator at three locations

7. Install 9 eccentric dual cones & record clocking knowledge

8. Measure & record grid simulator attitude

9. Invert Tower

10. Install top hat

11. Pre-environment alignment baseline

a. Measure tower coordinate systems

b. Measure grid simulator tooling holes

c. Measure Top Hat

d. Remeasure sidewalls

12. Perform vibe test

13. Conduct post environmental alignment verification (repeast 11.)

14. ship tower from Pisa to SLAC

15. Repeat alignment verification

Next meeting Tuesday 9-11

Critical issues

Tower coordinate system definition

Grid coordinate system definition

Concept- Top Hat Alignment Fixture. Evaluate impact to top tray design

Robert not available

April 11-27

May 19-29

Planning trip to Pisa

May 3-7?

Schedule

Alignment Plan draft next week (internal)

Distribute to I&T and INFN following week