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Thanks Eugene, Amrit, Denny</div>
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Magnet Team, as I see from my perspective, 27th (Monday) is the Physics start date. As Eugene suggesting that next Friday (17th) to start. </div>
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<p style="margin-top: 0px; margin-bottom: 0px;">I have a thoughts with that (great if all goes well), </p>
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<li>Start on 17th (Friday) means we will finish up on 23rd (Thursday) - 17, 20, 21, 22, 23 (5 days as scheduled) - this leaves us with 1 day float (24th Friday).</li><li>If we have trouble, there will be no flexibility (except working over the weekends, hope no hardware issues pops-up, worst case).</li><li>Therefore was suggested earlier to start on 13th and get prepared. This will leave the magnet to be energized for a later date (thinking at least both magnets at full field for at least a day before physics start, Denny can do that and expect some one
to be at site to switch-on the MPS and the magnets reaches full field).</li><li>The point 3 is important as i see, because HALL is also expected to be at full field and cryo cross-talk may interfere and run the magnets down or trip. This we want to mitigate earlier than 27th and keep physics running.</li></ol>
<div>Eugene, Denny, Bob - Please think and suggest a date that will accommodate all. This is Physics call.</div>
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<div>Regards</div>
<div>Probir</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Eugene Pasyuk <pasyuk@jlab.org><br>
<b>Sent:</b> Wednesday, July 8, 2020 7:08 PM<br>
<b>To:</b> Amrit Yegneswaran <yeg@jlab.org>; Denny Insley <dinsley@jlab.org>; Probir Ghoshal <ghoshal@jlab.org>; Tyler Lemon <tlemon@jlab.org>; dsg-hallb magnets <dsg-hallb_magnets@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallb_magnets] Hall B Magnet checkout still on for next week?</font>
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Current schedule has the start of physics beam delivery July27. We don’t know whether it happens or not but we need to be ready and working under this assumption.</p>
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We have some flexibility but just don’t want to wait until the last day so that in case something does not come back as expected after being down for four months we will have time to fix it. Most of the major restoration and check out work in the hall other
than superconducting magnets is expected to be finished next week. Having said that this is for the magnet group to decide whether you want to start next Friday or sooner. We certainly will let you know if something changes.</p>
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<span style="color:black">-Eugene</span></p>
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<b><span style="font-size:12.0pt; color:black">From: </span></b><span style="font-size:12.0pt; color:black">Amrit Yegneswaran <yeg@jlab.org><br>
<b>Date: </b>Wednesday, July 8, 2020 at 6:50 PM<br>
<b>To: </b>Denny Insley <dinsley@jlab.org>, Eugene Pasyuk <pasyuk@jlab.org>, Probir Ghoshal <ghoshal@jlab.org>, Tyler Lemon <tlemon@jlab.org>, dsg-hallb magnets <dsg-hallb_magnets@jlab.org><br>
<b>Subject: </b>Re: [Dsg-hallb_magnets] Hall B Magnet checkout still on for next week?</span></p>
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<span style="font-size:12.0pt; color:black">what is the schedule being driven by?</span></p>
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<span style="font-size:12.0pt; color:black">is there a specific start date?</span></p>
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<span style="font-size:12.0pt; color:black">probir mentions that he needs 5 days.</span></p>
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<span style="font-size:12.0pt; color:black">isn't it possible to have days when there is not much other work being done?</span></p>
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<b><span style="color:black">From:</span></b><span style="color:black"> Dsg-hallb_magnets <dsg-hallb_magnets-bounces@jlab.org> on behalf of Denny Insley <dinsley@jlab.org><br>
<b>Sent:</b> Wednesday, July 8, 2020 3:22 PM<br>
<b>To:</b> Eugene Pasyuk <pasyuk@jlab.org>; Probir Ghoshal <ghoshal@jlab.org>; Tyler Lemon <tlemon@jlab.org>; dsg-hallb magnets <dsg-hallb_magnets@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallb_magnets] Hall B Magnet checkout still on for next week?</span>
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<span style="font-size:12.0pt; color:black">Eugene has a good point, as long as we are careful about the social distancing that is doable. Just let me know if you do plan to do that.</span></p>
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<b><span style="color:black">From:</span></b><span style="color:black"> Eugene Pasyuk <pasyuk@jlab.org><br>
<b>Sent:</b> Wednesday, July 8, 2020 3:19 PM<br>
<b>To:</b> Probir Ghoshal <ghoshal@jlab.org>; Denny Insley <dinsley@jlab.org>; Tyler Lemon <tlemon@jlab.org>; dsg-hallb magnets <dsg-hallb_magnets@jlab.org><br>
<b>Subject:</b> RE: Hall B Magnet checkout still on for next week?</span> </p>
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Let me explain. The first level of the space frame will be occupied with installation work. You won’t be able to do anything on the first level (work on the solenoid power supply) and won’t be able to turn magnets on. However this does not prevent you from
doing work on the second and third level if you want to start sooner.</p>
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-Eugene</p>
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<b>From:</b> Probir Ghoshal <ghoshal@jlab.org> <br>
<b>Sent:</b> Wednesday, July 08, 2020 15:11<br>
<b>To:</b> Denny Insley <dinsley@jlab.org>; Tyler Lemon <tlemon@jlab.org>; dsg-hallb magnets <dsg-hallb_magnets@jlab.org><br>
<b>Cc:</b> Eugene Pasyuk <pasyuk@jlab.org><br>
<b>Subject:</b> Re: Hall B Magnet checkout still on for next week?</p>
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<span style="font-size:12.0pt; color:black">Thanks Denny,</span></p>
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<span style="font-size:12.0pt; color:black">I hope you and your family are doing well and all safe.</span></p>
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<span style="font-size:12.0pt; color:black">So for all normal checks and checklist to be started for both solenoid and torus now on 17th (Friday) as my present understanding after your email, not 13th (Monday).</span></p>
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<span style="font-size:12.0pt; color:black">Please confirm.</span></p>
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<span style="font-size:12.0pt; color:black">Regards</span></p>
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<span style="font-size:12.0pt; color:black">Probir</span></p>
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<b><span style="color:black">From:</span></b><span style="color:black"> Denny Insley <<a href="mailto:dinsley@jlab.org">dinsley@jlab.org</a>><br>
<b>Sent:</b> Wednesday, July 8, 2020 3:04 PM<br>
<b>To:</b> Probir Ghoshal <<a href="mailto:ghoshal@jlab.org">ghoshal@jlab.org</a>>; Tyler Lemon <<a href="mailto:tlemon@jlab.org">tlemon@jlab.org</a>>; dsg-hallb magnets <<a href="mailto:dsg-hallb_magnets@jlab.org">dsg-hallb_magnets@jlab.org</a>><br>
<b>Cc:</b> Eugene Pasyuk <<a href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>><br>
<b>Subject:</b> Re: Hall B Magnet checkout still on for next week?</span> </p>
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<span style="font-size:12.0pt; color:black">Hi Probir, </span></p>
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<span style="font-size:12.0pt; color:black"> I hope you are doing well. I just updated the schedule on our restoration document and have magnet testing slated between the 17th and 22nd. Detector goes up on the beamline this Friday and the Bonus group will
need some time for hookup and testing. Survey of the detector to the beamline is currently set for the 15-16th. Hope that works for ya.</span></p>
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<span style="font-size:12.0pt; color:black">Cheers, </span></p>
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<span style="font-size:12.0pt; color:black">Denny</span></p>
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<b><span style="color:black">From:</span></b><span style="color:black"> Probir Ghoshal <<a href="mailto:ghoshal@jlab.org">ghoshal@jlab.org</a>><br>
<b>Sent:</b> Wednesday, July 8, 2020 2:56 PM<br>
<b>To:</b> Tyler Lemon <<a href="mailto:tlemon@jlab.org">tlemon@jlab.org</a>>; dsg-hallb magnets <<a href="mailto:dsg-hallb_magnets@jlab.org">dsg-hallb_magnets@jlab.org</a>><br>
<b>Cc:</b> Eugene Pasyuk <<a href="mailto:pasyuk@jlab.org">pasyuk@jlab.org</a>>; Denny Insley <<a href="mailto:dinsley@jlab.org">dinsley@jlab.org</a>><br>
<b>Subject:</b> Re: Hall B Magnet checkout still on for next week?</span> </p>
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<span style="font-size:12.0pt; color:black">At the moment is planned for Monday (13th onwards for 5 days), but Eugene will confirm by Friday.</span></p>
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<span style="font-size:12.0pt; color:black">Denny, Eugene - to confirm.</span></p>
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<span style="font-size:12.0pt; color:black">Regards</span></p>
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<span style="font-size:12.0pt; color:black">Probir</span></p>
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<b><span style="color:black">From:</span></b><span style="color:black"> Dsg-hallb_magnets <<a href="mailto:dsg-hallb_magnets-bounces@jlab.org">dsg-hallb_magnets-bounces@jlab.org</a>> on behalf of Tyler Lemon <<a href="mailto:tlemon@jlab.org">tlemon@jlab.org</a>><br>
<b>Sent:</b> Wednesday, July 8, 2020 2:25 PM<br>
<b>To:</b> dsg-hallb magnets <<a href="mailto:dsg-hallb_magnets@jlab.org">dsg-hallb_magnets@jlab.org</a>><br>
<b>Subject:</b> [Dsg-hallb_magnets] Hall B Magnet checkout still on for next week?</span>
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<span style="font-size:12.0pt; color:black">Hello Probir,</span></p>
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<span style="font-size:12.0pt; color:black">Just confirming: are the Hall B magnet pre-power up interlock checks still planned for next week?</span></p>
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<span style="font-size:12.0pt; color:black">Thanks,</span></p>
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<span style="font-size:12.0pt; color:black">Tyler</span></p>
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