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Preparation for Cool-Down of Sector 78, 22 Nov

PDF RAT_20061122.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x11x22x16x14/RAT_20061122.pdf

Comments:

AC non-conformity

  • 21.11.06 Transport and installation of the heater system of the current leads for RR77 and UA83
  • 21.11.06 Non-conformity on instrumentation cables (temperature sensors on current leads)
  • 13.11.06 Non-conformity of the crates of cryo instrumentation (inrush current)
  • 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
  • 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 and DFBMC
  • 20.11.06 Galvanic insulation installation of 600 A cables to the DFBAO
  • 22.11.06 Pre-connection of 120A cables in LSSR7
  • 22.11.06 Missing labels on DFBAO instrumentation cables
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
  • 17.11.06 Instrumentation cable HV tests in LSS8L
DFB Commissioning
  • 17.11.06 Prototype of galvanic insulation to be tested at Point 6
  • 13.11.06 ElQA-TP4-A in the DFBAO, DFBAN, DFBAX
  • 17.11.06 Pumping of insulation vacuum DFBAN, DFBAO, DFBMC, DFBMA, DFBXG
Safety General remark: written communication in advance to announce operations!!!
  • 16.11.06 Cool down safety procedure & access conditions
  • 16.11.06 Definition of Safety procedure for Powering Procedure Test (aka Dry Runs)
Preparation of powering test
  • 22.11.06 Pretest of 60A converters in sector 78, location C16L8.
  • 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
  • 13.11.06 Quench protection continuity tests and cables assignment LLS7R (DFBMH, DFBAN) and LSS8L (DFBMC, DFBMA and DFBX)

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PDFpdf RAT_20061122.pdf r1 manage 46.6 K 2006-11-22 - 16:16 MircoCoccoli  
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Topic revision: r2 - 2006-12-08 - MircoCoccoli
 
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