BlogHccJan < HCC

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 & VAC.

DC cabling

22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)

Instrumentation Cabling

12.01.07 Cryo-instrumentation cables: 2 LSS8L connectors (A.Suraci-J-C.Guillaume)
10.01.07 Continuity error with cable 1813004A and a wrong housing of 1702440 which should be replaced (D.Bozzini)

Cryogenics

16.01.07 Vac-Cryo Interlock tests – window of 1 day needed (P.Cruikshank-F.Millet)
22.11.06 Instrumentation and remote control not fully stable (P.Gayet - F.Millet)

Safety General remark: written communication in advance to announce operations!!!

23.11.06 Water leak on the tunnel concrete wall to be fixed (C33L8).

Preparation of powering test

30.11.06 El_QA performed on C16L8. ICC test showed reversed sequence of V-taps on circuit RCBV16.L8B1 (D.Bozzini)

AOB

08.01.07 Re-installation of 3 BLMs interfering with pumping groups (B.Dehning)
13.11.06 BPM connection in Q2 (R.Jones) – waiting for Inner Triplet to be repaired

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Created by Main.JacekSzkutnik on 2007-01-16 - 10:17

First Cooldown QRL C to D

Images obtained from Francois Millet

Cooldown.png:

First cooldown QRL 78
First_cooldown_Q9R7.png:

First cooldown Q9R7

Comments:

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Created by Main.MircoCoccoli on 2007-01-15 - 18:42

RAT Meeting in Point 8 - Jan 15th

RAT_20070115.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2007x01x15x18x38/RAT_20070115.pdf

MircoCoccoli - 15 Jan 2007 - 18:40

Open Issues:

AC non-conformity

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 & VAC.

DC cabling

22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)

Instrumentation Cabling

12.01.07 Cryo-instrumentation cables: 2 LSS8L connectors (A.Suraci-J-C.Guillaume)
10.01.07 Continuity error with cable 1813004A and a wrong housing of 1702440 which should be replaced (D.Bozzini)

Cryogenics

22.11.06 Instrumentation and remote control not fully stable (P.Gayet - F.Millet)

Safety General remark: written communication in advance to announce operations!!!

23.11.06 Water leak on the tunnel concrete wall to be fixed (C33L8).

Preparation of powering test

30.11.06 El_QA performed on C16L8. ICC test showed reversed sequence of V-taps on circuit RCBV16.L8B1 (D.Bozzini)

AOB

08.01.07 Re-installation of 3 BLMs interfering with pumping groups (B.Dehning)
13.11.06 BPM connection in Q2 (R.Jones) – waiting for Inner Triplet to be repaired

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Created by Main.MircoCoccoli on 2007-01-12 - 18:46

RAT Meeting in Point 8 - Jan 12th

RAT_20070112.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2007x01x12x18x43/RAT_20070112.pdf

MircoCoccoli - 12 Jan 2007 - 18:45

Open Issues (Sect 78):

AC non-conformity

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 & VAC.

DC cabling

10.01.07 Connection of the NC Magnets in LSS8R (J-C.Guillaume)
22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)

Instrumentation Cabling

12.01.07 Cryo-instrumentation cables: 2 LSS8L connectors (A.Suraci-J-C.Guillaume)
10.01.07 Continuity error with cable 1813004A and a wrong housing of 1702440 which should be replaced (D.Bozzini)

Cryogenics

22.11.06 Instrumentation and remote control not fully stable (P.Gayet - F.Millet)

DFB Commissioning

29.11.06 DFBX Pumping of Current Leads insulation vacuum (S.Feher)

Safety General remark: written communication in advance to announce operations!!!

23.11.06 Water leak on the tunnel concrete wall to be fixed (C33L8).

Preparation of powering test

30.11.06 El_QA performed on C16L8. ICC test showed reversed sequence of V-taps on circuit RCBV16.L8B1 (D.Bozzini)

AOB

08.01.07 Re-installation of 3 BLMs interfering with pumping groups (B.Dehning)
13.11.06 BPM connection in Q2 (R.Jones) – waiting for Inner Triplet to be repaired

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Created by Main.BlancaPereaSolano on 2007-01-11 - 18:27