<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>Did not find any cause for the 2 pressure spikes or following pressure drop within Hall C. <br>No work or techs in the hall during this time, I have been told.<br><br>Steven<br><br><hr id="zwchr"><div style="color: rgb(0, 0, 0); font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><b>From: </b>kashy@jlab.org<br><b>To: </b>esr-users@jlab.org<br><b>Sent: </b>Monday, July 2, 2018 4:05:01 PM<br><b>Subject: </b>[Esr-users] [New Logentry] Follow-up Re: Leak tests during recovery system work<br><br>
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<a href="https://logbooks.jlab.org/entry/3579614" rel="bookmark" target="_blank">Follow-up Re: Leak tests during recovery system work</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/3579614" class="lognumber" target="_blank">3579614</a>. Submitted by <a href="https://logbooks.jlab.org/user/kashy" target="_blank">kashy</a> on Mon, 07/02/2018 - 16:04. </p>
<table class="field-vitals"><tbody><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/halog" target="_blank">HALOG</a> <a href="https://logbooks.jlab.org/book/hblog" target="_blank">HBLOG</a> <a href="https://logbooks.jlab.org/book/hbtorus" target="_blank">HBTORUS</a> <a href="https://logbooks.jlab.org/book/hclog" target="_blank">HCLOG</a> <a href="https://logbooks.jlab.org/book/clog" target="_blank">CLOG</a></td></tr><tr><th>Entry Makers: </th><td>kashy, cwiggins</td></tr><tr><th>References: </th><td><a href="https://logbooks.jlab.org/entry/3579589" target="_blank">3579589 - Leak tests during recovery system work</a></td></tr></tbody></table></div>
<div class="logentry node-content">
<p>Hall A did some leak testing and it seems that they have some leaks in a supply line according to Heidi.<br>
Hal C was running very flat line and then at 15:07 it started to oscillate and since then has lost gas and continues to do so. I have tried to reach Steve but have not been able to.</p>
<p>I will set up to try to keep all Halls at constant pressure.</p>
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<div class="image-wrapper"><img class="image-style-plentybig" src="cid:bcf6e549714a55c9e20ccfe99295c4e9@logbooks.jlab.org" alt="" title="All Hall A magnets" height="471" width="960"></div> <div class="image-wrapper"><img class="image-style-plentybig" src="cid:4c17fa3ee26754752bb10acb3092a1c8@logbooks.jlab.org" alt="" title="Hall A 72 Q2 used as gas source for leak testing" height="471" width="960"></div> <div class="image-wrapper"><img class="image-style-plentybig" src="cid:86276ca16cc9eac5737ed4763417d62e@logbooks.jlab.org" alt="" title="3 Halls warm return pressure and hall A 72 Q2 (NOTE: Hall C loosing pressure since 15:07 and Hall B gaining while Hall A continued to loose)" height="537" width="960"></div> </div>
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