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<div dir="ltr">Hi Holly,</div>
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<div dir="ltr">I have put some questions in-line with your description of the work. Can you look at this and respond. We will review it with DSG management tomorrow.</div>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">High voltage: </span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-this all exists and just needs to be mounted, relabeled and moved around (I will do this)</span></p>
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<span style="color: black;">-DSG could help to manage testing and returns of a few of the CAEN units we have trouble with.</span></p>
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<span class="tab" style="white-space:pre"><span style="white-space:normal"><b>Are these crates, modules or both. What type of modules. Is there is a list of module types and what the issues may be?</b></span></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;"> </span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">GEMs:</span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-De-cable BB and SBS (1 week/side—starting after Memorial Day)</span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-BigBite GEMs can be removed one at a time and slid into the assembly frame. Check for shorts, remove shorts, and repair any bad APVs. We have a team of experts who can do this.</span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-SBS GEM inline stack needs to be craned from SBS platform early June. </span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-Tech support with crane needed to slide each layer out one at a time for repairs. Need two tables setup to hold the GEM being tested. Estimate 4-6 weeks for repairs and reassembly. DSG could get
involved here to expedite testing and setup of the GEMs on a table.</span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;"><b> Is there a procedure to review for this that we can review? If so can you send us a link to the document? Also, will this testing be in the hall or EEL?</b></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;"><b><br>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-Cabling and moving the BB crates to the SBS crate tower (2 weeks). DSG can help here greatly with manpower and strain relief of cables.</span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;"> </span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">Gas system:</span><span style="color: black;"></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;">-All lines needs to be moved to SBS distribution system. DSG initially setup this system, and it would be great if they could do this for us.</span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;"><span class="tab" style="white-space:pre"><b>Is this the BB move we discussed in the last meeting? Is the task reroute the supply line and connect the channels?</b></span></span></p>
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<span style="font-size: 11pt; line-height: 1.5; color: black;"><span class="tab" style="white-space:pre"><b>Will the channel lines move with the BB GEMs, and need reconnection in the new location?</b></span><b><br>
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<div dir="ltr">Regards,</div>
<div dir="ltr">Marc</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif"><b>From:</b> Holly Szumila-Vance <hszumila@jlab.org><br>
<b>Sent:</b> Tuesday, May 21, 2024 5:37 PM<br>
<b>To:</b> Marc Mcmullen <mcmullen@jlab.org><br>
<b>Cc:</b> George Jacobs <jacobsg@jlab.org>; Brian Eng <beng@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: DSG-Hall A GEM meeting
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<div dir="ltr">I apologize- I have a meeting from 12:30-1:30 tomorrow. I can meet after that anytime. </div>
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<blockquote type="cite">On May 21, 2024, at 5:19 PM, Marc Mcmullen <mcmullen@jlab.org> wrote:<br>
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I pushed the meeting to 12:45. I will try to prepare a pre-read and get that out this evening so the meeting will go faster.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size: 11pt; color: rgb(0, 0, 0);"><b>From:</b> Holly Szumila-Vance <hszumila@jlab.org><br>
<b>Sent:</b> Tuesday, May 21, 2024 5:15 PM<br>
<b>To:</b> Marc Mcmullen <mcmullen@jlab.org><br>
<b>Cc:</b> George Jacobs <jacobsg@jlab.org>; Brian Eng <beng@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: DSG-Hall A GEM meeting</font>
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<div dir="ltr">Sorry- forgot we have the SBS meeting at 1130 tomorrow</div>
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<blockquote type="cite">On May 21, 2024, at 4:54 PM, Marc Mcmullen <mcmullen@jlab.org> wrote:<br>
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We will have a meeting to discuss the recent work request for the Hall A GEM detectors<br>
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Hi there,</td>
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<td colspan="2" style="vertical-align:top; line-height:25px">Marc Mcmullen is inviting you to a scheduled Zoom meeting.
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<a href="https://jlab-org.zoomgov.com/j/1615339624?pwd=cW5JQmRYeVBTR0pPRnRrRVMvSFpXZz09&from=addon" target="_blank" style="font-size: 25px; font-weight: 400; color: rgb(45, 140, 255);">Join Zoom Meeting</a>
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+16692545252,,1615339624#</a> or <a href="tel:+16468287666,,1615339624#">+16468287666,,1615339624#</a>
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161 533 9624</td>
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<a href="https://jlab-org.zoomgov.com/u/acyx2KkEN" target="_blank" style="font-size: 13px; font-weight: 400; color: rgb(57, 57, 77);">International numbers</a></td>
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161.199.138.10 (US West)<br>
161.199.136.10 (US East)<br>
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161 533 9624</td>
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819246</td>
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1615339624@sip.zoomgov.com </td>
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Passcode: </td>
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819246</td>
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