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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Gary,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Here is an email thread between Naeem and Valerie that will hopefully clear up some confusion for you. Let us know if you have anymore questions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Megan<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Pansophy <pansophy-bounces@mailman.jlab.org>
<b>On Behalf Of </b>Gary Cheng<br>
<b>Sent:</b> Wednesday, August 11, 2021 10:45 AM<br>
<b>To:</b> Matt Marchlik <marchlik@jlab.org>; Jared Martin <jared@jlab.org>; Naeem Huque <huque@jlab.org>; John Fischer <fischer@jlab.org>; Jacob Harris <jharris@jlab.org><br>
<b>Cc:</b> srfinv@jlab.org; Ed Daly <edaly@jlab.org>; pansophy <pansophy@jlab.org><br>
<b>Subject:</b> Re: [Pansophy] SNS PPU Cold Mass 01 D3's SN and SNType<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Calibri",sans-serif">All,<br>
<br>
I've been chatting with Naeem. It seems that first of all, CMASS-ASSY traveler's SN acronym for cold mass is changed to CMSN, not the CMASSSN that I had in my original traveler. Panysophy team must have changed that for some reason.
<br>
<br>
CMSN implies cryomodule SN. Are we sure cold mass 01 will definitely end up being used for CM-01? And cold mass 02 for CM-02...as we know, LCLS-II's cavity string 6 was terminated.
<br>
<br>
Jacob, maybe you can give us some guidance on this.<br>
<br>
Thanks,<br>
Gary</span><o:p></o:p></p>
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<p class="MsoNormal">On 8/11/2021 10:25 AM, Matt Marchlik wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Hi Gary,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">D36 covers the tophat bellows cuff issue in general, so I wouldn't expect it to list the tophat bellows SN. We should expect to see this D3 repeated for the next 7 CM assemblies.
May we keep the current SN of PPU-01 and use the correct one for the remaining 7 assemblies or can D3-36 be administratively unresolved so I can change it?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Matt<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Gary Cheng
<a href="mailto:cheng@jlab.org"><cheng@jlab.org></a><br>
<b>Sent:</b> Wednesday, August 11, 2021 10:05 AM<br>
<b>To:</b> Jared Martin <a href="mailto:jared@jlab.org"><jared@jlab.org></a>; Matt Marchlik
<a href="mailto:marchlik@jlab.org"><marchlik@jlab.org></a>; Naeem Huque <a href="mailto:huque@jlab.org">
<huque@jlab.org></a>; John Fischer <a href="mailto:fischer@jlab.org"><fischer@jlab.org></a><br>
<b>Cc:</b> Ed Daly <a href="mailto:edaly@jlab.org"><edaly@jlab.org></a>; Jacob Harris
<a href="mailto:jharris@jlab.org"><jharris@jlab.org></a>; pansophy <a href="mailto:pansophy@jlab.org">
<pansophy@jlab.org></a>; <a href="mailto:srfinv@jlab.org">srfinv@jlab.org</a> <a href="mailto:srfinv@jlab.org">
<srfinv@jlab.org></a><br>
<b>Subject:</b> SNS PPU Cold Mass 01 D3's SN and SNType</span> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif">All,<br>
<br>
The recently released D3 33 and 36 for PPU cold mass 01 have the same SN: PPU-01 and SNType: ID. These don't appear correct to me.<br>
<br>
SRF spec/procedure PR-P-007 (attached) defines the format of S/Ns. So, to me, the SN for cold mass 01 should be 104211500-A002-A-001.
<br>
As to the SNType, CMASSN should be used. <br>
<br>
The two specific D3 #33 & #36 address two issues associated with two types of parts, the G-10 isolators and FPC bellows, respectively. If a D3 is intended to address an issue with one certain part, e.g. only one of the four FPC bellows, then I think the D3
should use the SN for that specific bellows and SNType should be what we created for the FPC bellows.
<br>
<br>
Comments are welcome.<br>
<br>
Gary</span><o:p></o:p></p>
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