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Hi Eugene,</div>
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The vacuum group brought up that concern as well, especially with the Faraday cup moved all the way downstream. </div>
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I passed this on to Denny, who is supposed to meet with them to discuss this issue.</div>
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If another downstream pump is not added, we can certainly install a pump downstream of the BPM as you suggested.</div>
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Thanks,</div>
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Bob Miller</div>
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Hall B Lead Engineer</div>
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(757) 822-9586</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Eugene Pasyuk <pasyuk@jlab.org><br>
<b>Sent:</b> Wednesday, November 20, 2024 1:47 PM<br>
<b>To:</b> Bob Miller <rmiller@jlab.org>; prad@jlab.org <prad@jlab.org>; pi0tff@jlab.org <pi0tff@jlab.org><br>
<b>Cc:</b> Christopher Guthrie <guthrie@jlab.org><br>
<b>Subject:</b> RE: Beamline Configuration Drawings for PRAD II, X17 and TFF</font>
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<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif">Ho Bob,</span></p>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif"> </span></p>
<p class="x_MsoNormal"><span style="font-family:"Calibri",sans-serif">The beamline downstream of HyCak has only one vacuum pump in the downstream alcove. Do you think that's enough? It is a very long pipe, all the way to the dump. Maybe we should add a pump
next to the BPM? What do you think?</span></p>
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<p class="x_MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">-Eugene</span></p>
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<p class="x_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"> Bob Miller <rmiller@jlab.org>
<br>
<b>Sent:</b> Wednesday, November 20, 2024 08:18<br>
<b>To:</b> Eugene Pasyuk <pasyuk@jlab.org>; prad@jlab.org; pi0tff@jlab.org<br>
<b>Cc:</b> Christopher Guthrie <guthrie@jlab.org><br>
<b>Subject:</b> Re: Beamline Configuration Drawings for PRAD II, X17 and TFF</span></p>
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<p class="x_MsoNormal"><span style="color:black">Good Morning All,</span></p>
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<p class="x_MsoNormal"><span style="color:black">Are there any comments on the layout of PRad II and X17, or do we assume the design is fixed and we can finalize the drawings and prepare to order parts?</span></p>
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<p class="x_MsoNormal"><span style="color:black">Thanks,</span></p>
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<p class="x_MsoNormal"><span style="color:black">Bob Miller</span></p>
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<p class="x_MsoNormal"><span style="color:black">Hall B Lead Engineer</span></p>
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<p class="x_MsoNormal"><span style="color:black">(757) 822-9586</span></p>
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<p class="x_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"> Eugene Pasyuk <<a href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>><br>
<b>Sent:</b> Thursday, October 31, 2024 3:33 PM<br>
<b>To:</b> <a href="mailto:prad@jlab.org">prad@jlab.org</a> <<a href="mailto:prad@jlab.org">prad@jlab.org</a>>;
<a href="mailto:pi0tff@jlab.org">pi0tff@jlab.org</a> <<a href="mailto:pi0tff@jlab.org">pi0tff@jlab.org</a>><br>
<b>Cc:</b> Bob Miller <<a href="mailto:rmiller@jlab.org">rmiller@jlab.org</a>>; Christopher Guthrie <<a href="mailto:guthrie@jlab.org">guthrie@jlab.org</a>><br>
<b>Subject:</b> Fw: Beamline Configuration Drawings for PRAD II, X17 and TFF</span>
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<p class="x_MsoNormal"><span style="font-size:11.0pt; color:black">Here are the beamline drawings for PRad/X17/TFF. </span></p>
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<p class="x_MsoNormal"><span style="font-size:11.0pt; color:black">Please review and give your feedback by November 15th.</span></p>
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<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">-Eugene</span></p>
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<p class="x_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"> Christopher Guthrie <<a href="mailto:guthrie@jlab.org">guthrie@jlab.org</a>><br>
<b>Sent:</b> Thursday, October 31, 2024 14:47<br>
<b>To:</b> Eugene Pasyuk <<a href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>><br>
<b>Cc:</b> Bob Miller <<a href="mailto:rmiller@jlab.org">rmiller@jlab.org</a>><br>
<b>Subject:</b> Beamline Configuration Drawings for PRAD II, X17 and TFF</span> </p>
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<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Eugene,</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> I have attached .pdf’s of the Preliminary versions PRAD II, X17 and TFF Beamline Configuration Drawings. Can you please send these out to the individual run groups and request
comments by November 15<sup>th</sup>?</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Regards,</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Chris Guthrie</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Hall B Senior Mech. Designer</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">(757) 269-6922</span></p>
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