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<p class="MsoNormal">No HOM loads in the clean room</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
Mail</a> for Windows 10</p>
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<p class="MsoNormal" style="border:none;padding:0in"><b>From: </b><a href="mailto:mcewen@jlab.org">E. Anne McEwen</a><br>
<b>Sent: </b>Friday, January 22, 2021 3:10 PM<br>
<b>To: </b><a href="mailto:lzhao@jlab.org">Liang Zhao</a>; <a href="mailto:bookwalt@jlab.org">
Valerie Bookwalter</a>; <a href="mailto:georged@jlab.org">George DeKerlegand</a>;
<a href="mailto:mosby@jlab.org">Earl Mosby</a><br>
<b>Cc: </b><a href="mailto:macha@jlab.org">Kurt Macha</a>; <a href="mailto:dreyfuss@jlab.org">
Chris Dreyfuss</a>; <a href="mailto:jharris@jlab.org">Jacob Harris</a>; <a href="mailto:pansophy@jlab.org">
SRF Pansophy (pansophy@jlab.org)</a>; <a href="mailto:srfinv@jlab.org">SRF Inventory (srfinv@jlab.org)</a>;
<a href="mailto:areilly@jlab.org">Tony Reilly</a><br>
<b>Subject: </b>Re: Nb3Sn Cavity Pair Parts (Grigory's QCM Project) coming to the CMM early next week
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hi Liang <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"> Good to know that you have 4 ready - I agree it would be a very good idea to prepare a few spares, Please plan on located some spares next week , so that we have the HOMs covered for the pair
buidl <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thanks Anne <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Liang Zhao <lzhao@jlab.org><br>
<b>Sent:</b> Friday, January 22, 2021 2:44 PM<br>
<b>To:</b> E. Anne McEwen <mcewen@jlab.org>; Valerie Bookwalter <bookwalt@jlab.org>; George DeKerlegand <georged@jlab.org>; Earl Mosby <mosby@jlab.org><br>
<b>Cc:</b> Kurt Macha <macha@jlab.org>; Chris Dreyfuss <dreyfuss@jlab.org>; Jacob Harris <jharris@jlab.org>; SRF Pansophy (pansophy@jlab.org) <pansophy@jlab.org>; SRF Inventory (srfinv@jlab.org) <srfinv@jlab.org>; Tony Reilly <areilly@jlab.org><br>
<b>Subject:</b> Re: Nb3Sn Cavity Pair Parts (Grigory's QCM Project) coming to the CMM early next week
</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I have 4 HOM loads ready to go, HOML266-269. I wonder if there is a good one in the cleanroom as spare when pair4 was assembled last time.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">There were 3 (258, 260, 265) I inspected previously and need to decide if they are acceptable. There are 8 more loads can be sent to machine shop for re-surfacing soon.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Liang<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> E. Anne McEwen <mcewen@jlab.org><br>
<b>Sent:</b> Friday, January 22, 2021 12:15 PM<br>
<b>To:</b> Valerie Bookwalter <bookwalt@jlab.org>; Liang Zhao <lzhao@jlab.org>; George DeKerlegand <georged@jlab.org>; Earl Mosby <mosby@jlab.org><br>
<b>Cc:</b> Kurt Macha <macha@jlab.org>; Chris Dreyfuss <dreyfuss@jlab.org>; Jacob Harris <jharris@jlab.org>; SRF Pansophy (pansophy@jlab.org) <pansophy@jlab.org>; SRF Inventory (srfinv@jlab.org) <srfinv@jlab.org>; Tony Reilly <areilly@jlab.org><br>
<b>Subject:</b> Nb3Sn Cavity Pair Parts (Grigory's QCM Project) coming to the CMM early next week
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hi all <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">In today's NbSn Cavity Pair (R&D) meeting I learned additional parts will need travelers and CMM inspection soon - this will take priority over SNSPPU and HE - I will update the schedule once we
have all the parts and a plan <o:p></o:p></span></p>
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<p class="MsoNormal"><u><span style="font-size:12.0pt;color:black;background:white">Travelers & SN status:
</span></u><span style="font-size:12.0pt;color:black;background:white"> Kurt Macha said that he discussed with Valerie about taking C75 Travelers, converting to Nb3Sn , without normal approval process - then we would use D3s to manage any areas where there
are disconnects. </span><b><span style="font-size:12.0pt;color:black"> Valerie could you let us know the status & availability for the travelers - Kurt said he sent you a list .</span></b><span style="font-size:12.0pt;color:black"> The Cavity traveler appears
to have already gone down the usual path and is awaiting approval - so could be put into the system now if this is still possible<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Once we get all the parts, likely Serial numbers will need to be added to the travelers <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Tony commented that if we do not have the travelers in time to support the inspections, that we should go ahead anyway with the inspections - and "back fill" travelers as they become available.
That being said , it is much preferred to have all the travelers prior to inspection , so we will need to do our best to back fill the travelers if needed <o:p></o:p></span></p>
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<p class="MsoNormal"><u><span style="font-size:12.0pt;color:black">Status & location of additional parts :</span></u><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<span style="font-size:12.0pt">HOM Loads , (4 total are needed) Chris said that Liang was working on the last 3 loads - he hoped they would be available at the end of next week - Liang could you confirm ?<o:p></o:p></span></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:12.0pt">Cavities - were inspected on Monday , they plan to polish the flanges , recheck might be needed later , Data needs to go into the traveler once it is made available in Pansophy <o:p></o:p></span></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<u><span style="font-size:12.0pt">All other parts are in Grigory's cupboard,</span></u><span style="font-size:12.0pt"> Chris will bring them on a cart to CMM , we should keep these parts separate from all others . this includes to start : <o:p></o:p></span></li></ol>
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<span style="font-size:12.0pt">End Dishes , two to be checked <o:p></o:p></span></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level2 lfo1">
<span style="font-size:12.0pt">Elbows - 4 will be needed <o:p></o:p></span></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level2 lfo1">
<span style="font-size:12.0pt">dog legs 120 &145 pending test, or new DL not yet built (would delay project)<o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level2 lfo1">
<span style="font-size:12.0pt;color:black">inner ad</span><span style="font-size:10.5pt;font-family:"Tahoma",sans-serif;color:#242424">apter</span><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level2 lfo1">
<span style="font-size:12.0pt;color:black">Other ? </span><o:p></o:p></li></ol>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Kurt Macha said he is targeting building the pair ~2- 3 weeks from now (First week of Feb) - in which case we will need to start very inspections soon <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Kirk's schedule at the moment shows SNSPPU all of next week - however depending on availability of parts and availability of travelers (with SN) for Nb3SN , we will likely be updating the schedule
for next week. - more to come...... <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Please let me know if you have questions - I will let you know as new information becomes available <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thanks Anne <o:p></o:p></span></p>
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