<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<p style="margin: 0in 0in 8pt; line-height: 107%; font-size: 11pt; font-family: "Calibri", sans-serif">
<span style="font-size:12.0pt; font-family:
"Times New Roman",serif">Minutes of Hall A Group Meeting: July 7, 2020</span></p>
<ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Thia Keppel</span></li><ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Accountability drill coming this Thursday</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Dien Nguyen is the new Isgur Experimental Fellow</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">PPE being ordered now also in a small size for arc flash work</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">PAC will be remote</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Assume MedCon5 will be in place still during shifts/experiment start</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">SAD – all Physics staff assumed to be on site, plus some key engineering staff</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Please send all anticipated SBS preparatory tasks involving Jessie’s group to him sooner (now!) rather than later – will need to communicate for work planning, especially
assuming MedCon restrictions</span></li></ol>
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Robin Wines</span></li><ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif;
mso-fareast-font-family:"Times New Roman";color:black">SBS-
</span></li><ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif;
mso-fareast-font-family:"Times New Roman";color:black">ordering parts, working on install plans/details, working on ECal support drawings, detailing drawing for cryoline
disconnect, working on BB structure modification and rail layout, working on BB sieve holder details, analyzing the lead wall modifications, reviewing EHut designs and locations.</span></li></ol>
<li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:
"Times New Roman";color:black">Prep for SBS collaboration meeting next week.</span></li><li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:
"Times New Roman";color:black">SoLID
</span></li><ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:
"Times New Roman";color:black">working on coil test spool piece and piping for TestLab setup, working on access platforms for test</span></li></ol>
<li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-font-family:
"Times New Roman";color:black">MOLLER- preparing for reviews, working on detector supports</span></li></ol>
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif"><span style="mso-spacerun:yes"> </span>Jessie Butler</span></li><ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Sent most of my week working on MOLLER documentation for upcoming review and reworking SBS installation schedule.</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Finished drilling and tapping new lifting holes in SBS and HCAL floor plates.
</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Assist Bogdan and Chuck with moving some magnetic shielding plates for Big Bite detector.
</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Install shielding around the split AC unit for cooling the labyrinth.
</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Received and inventoried parts for constructing the new entrance beamline work platform.
</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Check vacuum and cryogenic system to make sure they are still functioning as expected.
</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Continue working with the electricians and clearing floor space so they can continue replacing blown overhead lights
</span></li><li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Additionally, the Target Group continued working to bring the target back
</span></li></ol>
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif">Jack Segal</span></li><ol style="margin-bottom: 0in">
<li><span style="font-size:12.0pt;line-height:107%;font-family:"Times New Roman",serif;
mso-fareast-font-family:"Times New Roman"">Both spare VDCs do not have shorts to the cathodes.
</span></li><li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;
mso-fareast-font-family:"Times New Roman"">Things look good so far.
</span></li><li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;
mso-fareast-font-family:"Times New Roman"">Additional soldering was done on the copper foil shielding.
</span></li><li><span style="font-size:12.0pt;font-family:"Times New Roman",serif;
mso-fareast-font-family:"Times New Roman"">We are in the process of connecting a gas cylinder to check for leaks.</span></li></ol>
</ol>
<p style="margin: 0in 0in 8pt 0.5in; line-height: 107%; font-size: 11pt; font-family: "Calibri", sans-serif;margin-left:1.0in;mso-add-space:auto">
<span style="font-size:12.0pt; font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<br>
</div>
<div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div id="Signature">
<div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<b><i>Stephanie Tysor</i></b></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hall A/C Administrative Assistant</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Physics Division<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Jefferson Lab</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
757-269-6005<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
</div>
</div>
</div>
</body>
</html>