TWiki home Point 1 Point 2 Point 3 Point 4 Point 5 Point 6 Point 7 Point 8 Minutes

Back to overview

YOU ARE VIEWING BlogEntryPoint8x2006x11x21x12x15

Preparation for Cool-Down RAT - Tuesday, November 21st

PDF RAT_20061121.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x11x21x12x15/RAT_20061121.pdf

Open Issues

  • 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 (LT, PT, Level Gauges, …)
    • 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.
    • 13.11.06 Non-conformity of the DC cabling of the orbit corrector power converters
  • DC cabling
    • 13.11.06 6 kA and 13 kA cables positioning at DFBAO, DFBMA and DFBMC
    • 17.11.06 600 A cable positioning on DFBA
    • 20.11.06 Connections (made by TS/MME) of 120 A cables to be verified (TS/EL)
    • 20.11.06 Connections of 600 A cables to the DFBAO to be verified
  • Assembly

  • Vacuum
    • 20.11.06 21 leak detectors to be placed all along the arc 78
  • Cryogenics
    • 20.11.06 DFB instrumentation cables to be connected
    • 20.11.06 Leaks on DFBAO gas recovery line in repair/installation of helicoflex
    • 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
    • 16.11.06 Water circulating in UA83 for the Powering Procedure Test: filters need to be cleaned!
  • 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)

Comments:

Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf RAT_20061121.pdf r1 manage 51.3 K 2006-11-23 - 12:16 JacekSzkutnik  
Edit | Attach | Watch | Print version | History: r4 < r3 < r2 < r1 | Backlinks | Raw View | WYSIWYG | More topic actions
Topic revision: r4 - 2006-12-08 - MircoCoccoli
 
    • Cern Search Icon Cern Search
    • TWiki Search Icon TWiki Search
    • Google Search Icon Google Search

    HCC All webs login