<html><body><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><div>Hi Curtis,<br></div><div><br data-mce-bogus="1"></div><div>By doing it in May/early June and no heat load in the hall, this should not be a problem.<br data-mce-bogus="1"></div><div><br></div><div><br></div><div data-marker="__SIG_PRE__">Tim Whitlatch<br>Hall D Engineer<br>Jefferson Lab<br>12050 Jefferson Ave ste 402<br>Newport News, Va 23606<br>757-269-5087</div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Curtis A. Meyer" <cmeyer@cmu.edu><br><b>To: </b>"Timothy Whitlatch" <whitey@jlab.org><br><b>Cc: </b>"halld" <halld@jlab.org>, "Tom Carstens" <carstens@jlab.org><br><b>Sent: </b>Wednesday, March 18, 2015 3:34:29 PM<br><b>Subject: </b>Re: [Halld] Scheduled power outage in Hall D and tagger<br></div><div><br></div><div data-marker="__QUOTED_TEXT__">We can’t let the drift chamber temperatures go up a lot. They probably need to stay below 85F max,<div class=""><br class=""></div><div class="">Curtis<br class=""><div class=""><div class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; " class=""><div class="">-------</div><div class="">Prof. Curtis A. Meyer<span class="Apple-tab-span" style="white-space: pre; "> </span> <span class="Apple-converted-space"> </span>Department of Physics</div><div class="">Phone: (412) 268-2745<span class="Apple-tab-span" style="white-space: pre; "> </span> <span class="Apple-converted-space"> </span>Carnegie Mellon University</div><div class="">Fax: (412) 681-0648<span class="Apple-tab-span" style="white-space: pre; "> </span> Pittsburgh, PA 15213</div><div class=""><a href="mailto:curtis.meyer@cmu.edu" class="" target="_blank">curtis.meyer@cmu.edu</a> <a href="http://www.curtismeyer.com/" class="" target="_blank">http://www.curtismeyer.com/</a><br data-mce-bogus="1"></div><div class=""><br class=""></div><div class=""><br class=""></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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<br class=""><div><blockquote class=""><div class="">On Mar 18, 2015, at 3:22 PM, Timothy Whitlatch <<a href="mailto:whitey@jlab.org" class="" target="_blank">whitey@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;" class=""><div class="">Hi All,<br class=""></div><div class=""><br class=""></div><div class="">There will be a total power outage in the hall for approximately 3 days some time in the end of May or beginning of June.<br class=""></div><div class=""><br class=""></div><div class="">There will be no air conditioning either.<br class=""></div><div class=""><br class=""></div><div class="">The cryo plant will be down as well so we will be warming the solenoid magnet to 100K.<br class=""></div><div class=""><br class=""></div><div class="">We are planning on getting a generator to power some vacuum pumps for the solenoid as well as the cryogenic controls.<br class=""></div><div class="">We will also have to power some safety systems as well.<br class=""></div><div class=""><br class=""></div><div class="">Are there other any critical systems that will require power during this time period?<br class=""></div><div class=""><br class=""></div><div class="">Tim Whitlatch<br class="">Hall D Engineer<br class="">Jefferson Lab<br class="">12050 Jefferson Ave ste 402<br class="">Newport News, Va 23606<br class="">757-269-5087</div></div></div>_______________________________________________<br class="">Halld mailing list<br class=""><a href="mailto:Halld@jlab.org" class="" target="_blank">Halld@jlab.org</a><br class="">https://mailman.jlab.org/mailman/listinfo/halld<br class=""></div></blockquote></div><br class=""></div></div><br></div></div></body></html>