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Shielding block removal 9/21 thru 26 may be problematic. We have several high priority jobs to do the first week.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Lerftest <lerftest-bounces@jlab.org> on behalf of Kevin Jordan <jordan@jlab.org><br>
<b>Sent:</b> Wednesday, August 12, 2020 10:56 AM<br>
<b>To:</b> isotope-prod@jlab.org <isotope-prod@jlab.org>; LCLS II @ LERF <lerftest@jlab.org><br>
<b>Subject:</b> [Lerftest] Straw-person schedule</font>
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<p class="x_MsoNormal" align="center" style="text-align:center"><b class="">WAG LERF Schedule*</b></p>
<p class="x_MsoNormal" align="center" style="text-align:center"><b class="">Kevin Jordan Aug. 12, 2020</b></p>
<p class="x_MsoNormal">*straw-person, subject to many changes</p>
<p class="x_MsoNormal">Aug 16 – 22</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Cancel 1X power supply move – change to end of September</p>
<p class="x_MsoListParagraphCxSpLast" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Finish LCLS-II CM 20 cryo testing</p>
<p class="x_MsoNormal">Aug 23 – 29</p>
<p class="x_MsoListParagraphCxSpFirst" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Additional CM 20 LLRF testing?</p>
<p class="x_MsoListParagraphCxSpMiddle" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Check cathode Qe – receisiate as needed</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Check drive laser</p>
<p class="x_MsoNormal">Aug 30 – Sep 5</p>
<p class="x_MsoListParagraphCxSpFirst" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>HCO for Isotope run </p>
<p class="x_MsoListParagraphCxSpLast" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Check SRF cavity tune</p>
<p class="x_MsoNormal">Sep 6 – 12</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Labor Day</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Re-Commission beam to 1 g, then to 1X – What to use for beam dump at 1X?</p>
<p class="x_MsoNormal">Sep 13 – 19</p>
<p class="x_MsoListParagraph" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Irradiate Ga71 – 1 kilowatt for 1 hour & check gamma spec to validate models</p>
<p class="x_MsoNormal">Sep 20 – 26</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Remove shield blocks from LERF vault</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Move 1X power supply to GTS</p>
<p class="x_MsoNormal">Sep 27 – Oct 3</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>CEBAF to 4.2K </p>
<p class="x_MsoListParagraphCxSpMiddle" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Pull U-Tubes from LCLS-II CM 20</p>
<p class="x_MsoListParagraphCxSpLast" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Remove CM 20 from LERF</p>
<p class="x_MsoNormal">Oct 4 – 10</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Move LCLS-II CM 11 & reinstall shield blocks</p>
<p class="x_MsoListParagraphCxSpLast" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Connect CM 11 cables & waveguide</p>
<p class="x_MsoNormal">Oct 11 – 17</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Cooldown CM 11 to 4.2 K</p>
<p class="x_MsoNormal">Oct 18 – 24</p>
<p class="x_MsoListParagraphCxSpFirst" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>CEBAF South Linac to 2 K</p>
<p class="x_MsoListParagraphCxSpLast" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Cooldown CM 11 to 2 K & refill</p>
<p class="x_MsoNormal">Oct 25 – 31</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>CM 11 testing</p>
<p class="x_MsoNormal">Nov 1 – 7</p>
<p class="x_MsoListParagraph" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>CM 11 testing</p>
<p class="x_MsoNormal">Nov 8 – 14</p>
<p class="x_MsoListParagraph" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>CM 11 Testing</p>
<p class="x_MsoNormal">Nov 15 – 21</p>
<p class="x_MsoListParagraph" style="margin-left:.75in; text-indent:-.25in; mso-list:l0 level1 lfo1">
<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Remove shield blocks & CM 11 & SSAs</p>
<p class="x_MsoNormal">Nov 22 – 28</p>
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<span class="" style="font-family:Symbol">·<span class="" style="font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span></span>Thanksgiving</p>
<p class="x_MsoNormal" style="margin-left:.5in">Over the next year there can be opportunistic running - in general CEBAF south linac will be at 4.2 K & can be pumped down to 2 K to facilitate isotope running periodically. Starting in the summer of 2021 the
LCLS-II HE modules will be tested one every couple months for ~ 2 years until 2023. </p>
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