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<font face="Calibri">Hi Tiffany,<br>
<br>
I took a glance at the R2. A couple comments:<br>
<br>
1. Step 2 says 32 Polish not 64 uinch as mentioned in revision
notes<br>
2. Not sure if "Polish" is an accurate unit/jargon that everyone
understands. Suggest to use "uinch" or "microinches" instead. On
some drawings, surface finish is specified in micrometers so
"Polish" may not be clear.<br>
<br>
I'd suggest that we don't let vendor know of our internal hard
limit on the surface finish, i.e. 64 uinch, so that they don't
deliver windows with poor finish.<br>
<br>
Thanks,<br>
Gary<br>
</font><br>
<div class="moz-cite-prefix">On 6/8/2022 8:29 AM, Tiffany Ganey
wrote:<br>
</div>
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<p class="MsoNormal">Good morning Pansophy Team,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A new revision of L2HE-INSP-FWM is in the
Ready for Approvals folder. The traveler was revised based on
the lessons learned from the inspection of the first two
manifolds.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Added Step 1 Note on acceptable deviations
from the Port Window Drawing (F10040909) - these are normal
deviations for a stock blank flange. Added Step 1 Images
Comment field. Added Step 2 instructions on when an NCR is
needed for surface finish - based on input from Brian Hartsell
(FNAL) and FNAL's Vacuum Window Safety Chapter requirement for
surface finish of at least a 64 uinch. Added Step 3
instructions on dimensions requiring an NCR - since this
manifold is removed from the cryomodule prior to shipment to
SLAC, only dimensions critical to vacuum safety will require
an NCR.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Tiffany Ganey<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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