BlogEntryPoint8x2006x12x01x13x13 < HCC

HCC Web>BlogEntryPoint8x2006x12x01x13x13 (2006-12-08, MircoCoccoli) (raw view)

<!--
   * Set TWIKISTYLEURL = %PUBURLPATH%/%BASEWEB%/%WEBPREFSTOPIC%/blogstyle.css
   * Set RELEASEEDITLOCKCHECKBOX = checked = "checked"
-->
%INCLUDE{"TabsAllDec"}%

<div id="topicb" style="width:1000px">
<div class="topicbody">

<a href="https://twiki.cern.ch/twiki/bin/view/HCC/">Back to overview</a>

---++ YOU ARE VIEWING %TOPIC%

%STARTINCLUDE%

---++++ <a href="%TOPIC%">RAT - Preparation for Cool Down sec 78 - 1 Dec 06</a>




%FILELIST{format="$fileIcon $fileName:$br $fileUrl $br $fileComment $br" topic="%TOPIC%"}%

Open Issues:

AC non-conformity
   * 21.11.06	Non-conformity on instrumentation cables (temperature sensors on current leads) (A.Suraci: 3 cables are in repair-Wed.29th)
   * 13.11.06	Non-conformity of the crates of cryo instrumentation (inrush current) (A.Suraci: ready next year)
   * 13.11.06	Non-conformity of the AC cabling of the crates under the magnets. This concerns ACR, MEL, orbit corrector power converters & VAC. 
DC cabling
   * 30.11.06	Non conformity: 6 temperature sensor cables need repair (A. Suraci)
   * 25.11.06	Functional test on the leads heaters: DFBAO, DFBMA, DFBMC, DFBXG
   * 22.11.06	Pre-connection of 120A cables in LSSR7 (TS/EL)
   * 20.11.06	Galvanic insulation installation on all DFBs (AT/MEL)
   * 13.11.06	Non-conformity of the DC cabling of the orbit corrector power converters
   * 13.11.06	6 kA and 13 kA cables positioning at DFBAO, DFBMA, DFBMC, DFBAN (Flohe)
Assembly
-	
Vacuum
-	
Cryogenics
   * 22.11.06	Cryo-valves remote control in CCC by AB/CO 
   * 22.11.06	Control of quench valve
   * 20.11.06	DFB instrumentation cables to be connected (A.Suraci: 80% done)
   * 17.11.06	Instrumentation cable HV  tests in LSS8L (A.Suraci: 4 cables to be tested)
DFB Commissioning
   * 29.11.06	Definition of owner of activity and pumping needs for current leads insulation vacuum (DFBX)
   * 29.11.06	Pumping of insulation vacuum for DFBX
   * 13.11.06	ElQA-TP4-A for all DFBs between 7 and 8 (D.Bozzini: next(w48): DFBAO HC module, DFBMA, DFBMC, DFBX))
Safety
General remark: written communication in advance to announce operations!!!
   * 25.11.06	ElQA-TP4B safety procedure (1900 volts tests!).
   * 23.11.06	Wooden structure for UA access restriction (that will allow transport).
   * 23.11.06	Preparation of a prototype insulating protection (derived from a plastic tube) of the monorail  by J-C.Guillaume and approval by J.Etheridge.
   * 23.11.06	Water leak on the tunnel concrete wall to be fixed (33L8).
   * 16.11.06	Cool down safety procedure & access conditions
Preparation of powering test
   * 30.11.06	El_QA performed on C16L8. ICC test showed reversed sequence of V-taps on circuit RCBV16.L8B1. To be discussed on next RAT.
   * 22.11.06	Installation of flexible cables by CV (UA83)
   * 16.11.06	Water circulating in UA83 for the Powering Procedure Test: filters need to be checked.
AOB
   * 13.11.06	BPM connection in Q2, Q3, Q4, Q5, Q6, Q7&#8211;wk49 (J-C.Guillaume & R.Jones)
   * 13.11.06	Quench protection continuity tests and cables assignment LLS7R (DFBMH, DFBAN) and LSS8L (DFBMC, DFBMA and DFBX)
 

-- Main.MircoCoccoli - 01 Dec 2006 - 13:13
#CommentAnchor
%STOPINCLUDE%
%COMMENT{type="above" target="#CommentAnchor"}%
</div>
<div  class="rightbar">
%INCLUDE{"RightBarDecAll"}%
</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>