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</style><article id="node-1345265" class="node node-logentry contextual-links-region article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/4272217" rel="bookmark">IMPORTANT - DC Gas Flow Instructions</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4272217/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4272217/delete?destination=email/send">Delete</a></li></ul></div>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/4272217" class="lognumber" data-lognumber="4272217">4272217</a>. Submitted by <a href="https://logbooks.jlab.org/user/sjdkay">sjdkay</a> on <time datetime="2024-04-01T10:30:04-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1711978204&end_date=1711985404&book=HCLOG">Mon, 04/01/2024 - 10:30</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr></table></div>
<div class="logentry node-content">
<p>Hello all, </p>
<p>A quick and important update regarding the HMS DC gas flows.</p>
<p>Unfortunately due to the work done on the DC over the weekend, there is no way to remotely monitor the flow rates. Instead, shift crews will have to go to the gas shed and manually check the rates.</p>
<p>Please check that channels 3 and 4 (see attached picture) are at ~0.175 slm.</p>
<p>Also check that the fridge (other picture) is bubbling. Remember to close the fridge and gas shed door securely when you leave!</p>
<p>The key for the shed is in the cabinet to the right of the door (see picture again).</p>
<p>This will likely be the procedure until we go back to "normal" DC operation.</p>
<p>Please check this once a shift (ideally as you carry out the checklist).</p>
</div>
<div class="attachment-box">
<div class="image-wrapper"><img view_mode="elog_email" class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2024/04/4272217/Flow_Rates.jpg" width="960" height="664" alt="" title="Check that channels 3 and 4 read ~0.175 slm" /></div> <div class="image-wrapper"><img view_mode="elog_email" class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2024/04/4272217/Fridge.jpg" width="960" height="1192" alt="" title="Open the fridge, check that it is bubbling. CLOSE the fridge securely." /></div> <div class="image-wrapper"><img view_mode="elog_email" class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2024/04/4272217/Key_Box.jpg" width="960" height="602" alt="" title="The key box containing the gas shed key. It's inside the door of the box. Return it after you check the flow." /></div> </div>
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