BlogEntryPoint8x2006x11x28x16x37 < HCC

HCC Web>BlogEntryPoint8x2006x11x28x16x37 (2006-12-08, MircoCoccoli) (raw view)


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---++++ <a href="%TOPIC%">Preparation for Cool Down sec. 78 - Nov 28</a>




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 -- Main.MircoCoccoli - 28 Nov 2006 - 16:38

Open Issues:

AC non-conformity
   * 21.11.06	Non-conformity on instrumentation cables (temperature sensors on current leads) (A.Suraci: 4 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
   * 25.11.06	Functional test on the leads heaters: DFBAO, DFBMA, DFBMC, DFBXG, DFBMH
   * 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
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Vacuum
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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
   * 13.11.06	ElQA-TP4-A for all DFBs between 7 and 8 (D.Bozzini: (done: DFBAO; next(w48): DFBAN, DFBMA, DFBMC, DFBMH, DFBX))
   * 17.11.06	Pumping of insulation vacuum for all DFBs between 7 and 8 (P.Chambouvet: DFBAN done; next: 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
   * 22.11.06	Pretest of 60A converters in sector 78, location C16L8. (B.Bellesia: stopped due to LQA hardware problems; expected end by Tuesday 28 Nov)
   * 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)


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