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Engineering > Design Review > WBS 172
Review Title Base Support Structure PDR
Date 06 March 2008
Cognizant Engineer Fred Dahlgren
Responsible Line Manager Phil Heitzenroeder
Review Board Chairperson Erik Perry
Review Board Members Larry Dudek, Irv Zatz, Art Brooks, Mike Cole, David Williamson, Doug Loesser
Invitees Tom Brown, Judy Malsbury, Jerry Levine, Jeff Makiel, Hutch Neilson, Jeff Harris, Steve Raftopoulos, Paul Goranson
Attendees Tom Brown, Phil Heitzenroeder, Hutch Neilson, Jeff Makiel, Paul Goranson, Don Rej, Joe Rushinski, H. M. Fan, Mike Coil, Steve Raftopoulos
Charge The charge to the review committee is as follows:

1) Has the Systems Requirement Document been prepared? Are interfaces

adequately defined in it?

2) Does the design meet the requirements?

3) Are the critical calculations necessary to confirm the design basis


4) Have the constructability, assembly and installation plans been

adequately addressed?

5) Have the drawings and models been promoted to Preliminary Design

release level?

Design Review Material


Chits and Disposition




Review Board Report  
Items Reviewed

Sat Unsat


Appropriate requirements identified   better define loads and cryostat interface
Development plans and schedules
Regulatory compliance including USQD and NEPA   not discussed
Disposition of CHITS from previous reviews   chit on coil fault loads not resolved
Cost objectives  

Other review objectives addressed

(Attachment 4 of ENG-033)


Summary of Results

The requirements and interfaces need to be more completely defined.  Eight of the chits generated at this review address issues with defining the requirements more completely and then freezing the requirements.  The results for the analysis done so far were reviewed and it was decided to go to a heavier beam for the columns (to account for yet to be defined loads)The ability to implement this design was discussed and no issues were identified other than that a build vs. buy decision would need to be made later.  Chits from the Peer Review were discussed and two have been addressed.  The third chit (on coil fault loads) has not yet been resolved.


(check  one)

 1  Acceptable
  Acceptable pending resolution of concerns - CHITS identified above must be resolved prior to installation.
  1 Incomplete - Additional design work is required prior to another design review.

Cog Engineer Close-out

(check  when done)

 1 Action required by Disposition is complete

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