<!-- * Set TWIKISTYLEURL = %PUBURLPATH%/%BASEWEB%/%WEBPREFSTOPIC%/blogstyle.css * Set RELEASEEDITLOCKCHECKBOX = checked = "checked" --> %INCLUDE{"TabsSep07P4"}% <div id="topicb" style="width:1000px"> <div class="topicbody"> <a href="https://twiki.cern.ch/twiki/bin/view/HCC/BlogHccSep07?point=4">Back to overview</a> ---++ YOU ARE VIEWING %TOPIC% %STARTINCLUDE% ---++++ <a href="%TOPIC%?point=4">From Pressure Test to Cool-Down - Tuesday 09 - Point 4</a> %FILELIST{format="$fileIcon $fileName:$br $fileUrl $br $fileComment $br" topic="%TOPIC%"}% ---+++ SECTOR45 ---++++ General planning: * W41-W42: L5 to 80K * W42-W43: Cool-down of the whole sector from 80K up to 4.5K * W44: Cool-down of the arc45 from 4.5K up to 1.9K / ElQA of the Circuits of the matching sections / Powering tests of the matching sections * W45: ElQA of the circuits of the arc and Powering tests of the matching sections * W46: Powering tests of the circuits of the arc ---++++ Activitites - w41: * Today -09/10 - cooldown L5 to 80K * Sector closed since 08/10 * Access allowed with key and tokens except RE52-UL55 * See document LHC-S-ES-0017 for particular access conditions * ElQA break-down monitoring all along cooldown; AT-MEL * QPS activities; AT-MEL * CMS vacuum installation/tests; AT-VAC * Magnet alignment; TS-SU * Cable campaign point5; TS-EL * Inner triplet interconnection; AT-MCS ---++++ Open Issues + Long term activitites: * Swapped cables of RB circuit on DFBA RR53 * Cleaning – W43/44 * Collimator installation W44 * CMS-ZDC optical fiber installation; W44 ---+++ SECTOR34 ---++++ General planning+Activities: * W40: Pressure test of the arc / DSL still disconnected * W41-W42: * Consolidation * All lines under nominal pressure up to Wed. 10/10 - AT-VAC/ACR * Cryo-valves reconfiguration Thu.-Fri. 11-12/10 - AT-ACR * Opening and repairs of leaks (two leaks found: 7R4 ~2*10^-6 [mbar*l/s] and 7L4 ~10^-5 [mbar*l/s]) - AT-MCS/VAC * Checks the jacks - stable pressure conditions needed - 2 days needed - date to be decided, possibly on Friday 12/10 - TS-IC * ElQA.DOC from Wed. 10/10 - AT-MEL * Manometer installation on the ceiling at the level of RE38 – trolley passage difficult – TS-IC * W43: DFBLC-DSLC-DFBAF interconnections start (possibility to start during W42 if compatibility with consolidation) * W50: Flushing #CommentAnchor %STOPINCLUDE% %COMMENT{type="above" target="#CommentAnchor"}% </div> <div class="rightbar"> %INCLUDE{"RightBarSep07"}% </div> </div> <script type="text/javascript"> //<pre> setTimeout("var j = document.getElementById('topicb').getElementsByTagName('img');for(i in j){if(j[i].width>600) j[i].setAttribute('width','600');}",100); //</pre> </script>
This topic: HCC
>
WebHome
>
BlogEntryPoint4x2007x10x09x19x34
Topic revision: r1 - 2007-10-09 - BorisBellesia
Web page prepared by
Małgorzata Macuda & Jacek Szkutnik
