Created by Main.MircoCoccoli on 2006-12-20 - 12:01

RAT_20061220.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x20x11x10/RAT_20061220.pdf
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
- 30.11.06 Non conformity temperature sensor cables need repair LSS7R (D.Bozzini, A.Suraci)
- 22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)
Instrumentation Cabling
- 15.12.06 DFBXG non-conformity on the current lead heater cables (P.Chambouvet-J-C.Guillaume)
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)
13 kA EE Systems
- 16.12.06 Calibration of the Arc Detectors on the 13 kA EE System (K.Dahlerup-Petersen)
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
- 13.11.06 BPM connection in Q2 (R.Jones) – waiting for Inner Triplet to be repaired
MircoCoccoli - 20 Dec 2006 - 11:11
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Created by Main.RobertoSaban on 2006-12-20 - 09:52
During the Electrical Quality Assurance (TP4B) of sector 78 a short to ground was identified. The short chronological report of the events is attached.

short_21R7.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x20x09x48/short_21R7.pdf

FSavary.ppt:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x20x09x48/FSavary.ppt Report to MARIC of the repair sequence

DBozzini.ppt:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x20x09x48/DBozzini.ppt Report to MARIC of the ELQA tests
Comments:
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Created by Main.MircoCoccoli on 2006-12-19 - 12:00

RAT_20061219.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x19x11x13/RAT_20061219.pdf
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
- 30.11.06 Non conformity temperature sensor cables need repair LSS7R (D.Bozzini, A.Suraci)
- 22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)
Instrumentation Cabling
- 15.12.06 DFBXG non-conformity on the current lead heater cables (P.Chambouvet-J-C.Guillaume)
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)
13 kA EE Systems
- 16.12.06 Calibration of the Arc Detectors on the 13 kA EE System (K.Dahlerup-Petersen)
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
- 13.11.06 BPM connection in Q2 (R.Jones) – waiting for Inner Triplet to be repaired
MircoCoccoli - 19 Dec 2006 - 11:56
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Created by Main.BlancaPereaSolano on 2006-12-18 - 12:28

RAT_20061218.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x18x12x27/RAT_20061218.pdf
Comments:
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Created by Main.BlancaPereaSolano on 2006-12-15 - 12:15

RAT_20061215.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x15x12x14/RAT_20061215.pdf
Comments:
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Created by Main.BlancaPereaSolano on 2006-12-14 - 18:25

RAT_20061214.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x14x18x20/RAT_20061214.pdf
Comments:
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Created by Main.BorisBellesia on 2006-12-14 - 15:15
Advancement of today:
- connection of the half arc L8 finished: ready for ELQA.doc
- TS-EL, resolution of the problem on the short circuit insulation in R7, no problems for co activities.
Tomorrow activities:
- TS-EL, still on resolution of the problem on the short circuit insulation in R7, no problems for co activities.
- If it is possible: El_QA.doc 120A circuits in RR77 and UA83, no problems for co activities.
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Created by Main.BorisBellesia on 2006-12-13 - 20:28

P1000122.JPG:
Advancement of today:
- Pre-connection of the cable of the current leads: on C28-C32_L8
- All 60A cables disconnected PC side:
- Problem on the short circuit insulation on the 60A cables in R7 (see pic)
Tomorrow activities:
- TS-EL, resolution of the problem on the short circuit insulation in R7, no problems for coactivities.
- if it is possible: El_QA.doc 120A circuits in RR77 and UA83, no problems for coactivities.
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Created by Main.MircoCoccoli on 2006-12-13 - 17:25

RAT_20061213.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x13x17x22/RAT_20061213.pdf
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
- 12.12.06 Short-to-ground in QBBI.A21R7 (Lyra side) (D.Bozzini, F.Seyvet)
- 30.11.06 Non conformity temperature sensor cables need repair LSS7R (D.Bozzini, A.Suraci)
- 25.11.06 Functional test on the leads heaters: DFBAO, DFBXG (P.Chambouvet)
- 22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)
Vacuum
- 12.12.06 One Pressure Gauge in DFBs cannot be read (F.Millet)
Cryogenics
- 22.11.06 Cryo-valves remote control in CCC by AB/CO (F.Millet)
- 22.11.06 Control of quench valve (F.Millet)
DFB Commissioning
- 12.12.06 Repositioning of 1 DC cable on DFBAO and of 2 DV cables on DFBAN (all 13kA) (J.C.Guillaume)
- 08.12.06 DFBXG 100V test on current leads (S.Feher)
- 29.11.06 Pumping of Current Leads insulation vacuum for DFBX (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
- 13.11.06 BPM connection in Q2, Q3, Q4, Q5, Q6, Q7–wk50 (J-C.Guillaume & R.Jones)
MircoCoccoli - 13 Dec 2006 - 17:22
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Created by Main.BorisBellesia on 2006-12-12 - 20:28
Advancement Tue. 12 Dec.:
- AB-PO activities ended in the whole arc
- Polarity tests ended in the whole arc
Activities Wed. 13th Dec.:
- TS-EL pre-conneciton in C32-34_L8 / C 12-34_R7; no problems for coactivities
- if it is possible: El_QA.doc in C18-28 _L8; co activities limited - a trolley is used
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Created by Main.MircoCoccoli on 2006-12-12 - 12:40

RAT_20061212.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x12x12x38/RAT_20061212.pdf
Comments:
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
- 30.11.06 Non conformity temperature sensor cables need repair LSS7R (D.Bozzini, A.Suraci)
- 25.11.06 Functional test on the leads heaters: DFBAO, DFBXG (P.Chambouvet)
- 22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)
Vacuum
- 12.12.06 One Pressure Gauge in DFBs cannot be read (F.Millet)
Cryogenics
- 22.11.06 Cryo-valves remote control in CCC by AB/CO (F.Millet)
- 22.11.06 Control of quench valve (F.Millet)
DFB Commissioning
- 08.12.06 DFBXG 100V test on current leads (S.Feher)
- 29.11.06 Pumping of Current Leads insulation vacuum for DFBX (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
- 13.11.06 BPM connection in Q2, Q3, Q4, Q5, Q6, Q7–wk50 (J-C.Guillaume & R.Jones)
MircoCoccoli - 12 Dec 2006 - 12:38
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Created by Main.MircoCoccoli on 2006-12-11 - 16:08

RAT_20061211.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x11x16x04/RAT_20061211.pdf
Comments:
AC non-conformity
- 07.12.06 Non conformity in DFBMH, DFBAN and DFBXG current lead heaters (P.Chambouvet-J-C.Guillaume)
- 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
- 30.11.06 Non conformity temperature sensor cables need repair LSS7R (D.Bozzini, A.Suraci)
- 25.11.06 Functional test on the leads heaters: DFBAO, DFBXG (P.Chambouvet)
- 22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)
Vacuum
-
Cryogenics
- 22.11.06 Cryo-valves remote control in CCC by AB/CO (F.Millet)
- 22.11.06 Control of quench valve (F.Millet)
DFB Commissioning
- 29.11.06 Pumping of Current Leads insulation vacuum for DFBX (S.Feher)
Safety
General remark: written communication in advance to announce operations!!!
- 23.11.06 Wooden structure for UA access restriction (that will allow transport).
- 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
- 13.11.06 BPM connection in Q2, Q3, Q4, Q5, Q6, Q7–wk50 (J-C.Guillaume & R.Jones)
Main.MircoCoccoli - 11 Dec 2006 - 16:07
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Created by Main.BorisBellesia on 2006-12-08 - 17:54
Advancement of today:
- AB-PO activities on cells C24-30_R7
- 4 hr run in C12_R7-C22_R7 and C32-C34_R7 and C28-C32_L8 simultaneously (shortened version of the 24 hr run)
- AB-PO main activity ended today;
- Polarity tests on cells C24-26_R7
Monday activities:
- AB-PO - tests on faulty cells: - C34_L8 - 1 converter in C32_R7 - 1 converter in C12_R7 - no problems for coactivities.
- Polarity and conneciton in C28-32_L8 / C30-34_R7; no problems for coactivities
- ELQA in C18-26_L8; co activities limited - a trolley is used
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Created by Main.MircoCoccoli on 2006-12-08 - 10:27

RAT_20061208.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x08x10x17/RAT_20061208.pdf
IMPORTANT: PLEASE COMMENT ON THE OPEN ISSUES IF YOU FIND THEM INCORRECT, INCOMPLETE OR NOT-PERFECTLY UPDATED.
AC non-conformity
- 07.12.06 Non conformity in DFBMH, DFBAN and DFBXG current lead heaters (P.Chambouvet-J-C.Guillaume)
- 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
- 30.11.06 Non conformity temperature sensor cables need repair LSS7R (D.Bozzini, A.Suraci)
- 25.11.06 Functional test on the leads heaters: DFBAO, DFBXG (P.Chambouvet)
- 22.11.06 Pre-connection of 120A cables in LSSR7 (TS/EL) – PC Non conformities (H.Thiesen)
Vacuum -
Cryogenics
- 22.11.06 Cryo-valves remote control in CCC by AB/CO (F.Millet)
- 22.11.06 Control of quench valve (F.Millet)
DFB Commissioning
- 29.11.06 Pumping of Current Leads insulation vacuum for DFBX (S.Feher)
Safety
General remark: written communication in advance to announce operations!!!
- 23.11.06 Wooden structure for UA access restriction (that will allow transport).
- 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
- 13.11.06 BPM connection in Q2, Q3, Q4, Q5, Q6, Q7–wk50 (J-C.Guillaume & R.Jones)
MircoCoccoli - 08 Dec 2006 - 10:17
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Created by Main.BorisBellesia on 2006-12-07 - 19:02
Comments:
Advancement of today:
- AB-PO activities on cells C12_R7 - C16-22_R7
- Polarity tests on 120A converter alimenting cells C6-7-8-9-10_R7
- Disconnection of the circuits of the 120A converter alimenting cells C6-7-8-9-10_R7
- MME activities postponed to Monday
Tomorrow activities:
- AB-PO activities on cells C24-30_R7
- 4 hr run in C12_R7-C22_R7 and C32-C34_R7 and C28-C32_L8 simultaneously (shortened version of the 24 hr run)
- ELQA tests - whole day / no co-activities
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Created by Main.MircoCoccoli on 2006-12-07 - 12:37

RAT_20061207.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x07x12x29/RAT_20061207.pdf
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, orbit corrector power converters & VAC.
DC cabling
- 30.11.06 Non conformity: 4 temperature sensor cables need repair (D.Bozzini, 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 6 kA and 13 kA cables positioning at DFBAO, DFBMA, DFBMC (Flohe)
Vacuum
-
Cryogenics
- 22.11.06 Cryo-valves remote control in CCC by AB/CO
- 22.11.06 Control of quench valve
DFB Commissioning
- 04.12.06 Re-positioning collars used to fix the WRL to the CLs (all DFBs) (A.Perin-D.Bozzini-F.Millet)
- 29.11.06 Pumping of Current Leads 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 (C33L8).
- 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–wk49 (J-C.Guillaume & R.Jones)
MircoCoccoli - 07 Dec 2006 - 12:36
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Created by Main.MircoCoccoli on 2006-12-06 - 15:17

RAT_20061206_wslides_wList.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x06x15x14/RAT_20061206_wslides_wList.pdf
Comments:
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, orbit corrector power converters & VAC.
DC cabling
- 30.11.06 Non conformity: 6 temperature sensor cables need repair (D.Bozzini, 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 6 kA and 13 kA cables positioning at DFBAO, DFBMA, DFBMC (Flohe)
Vacuum
-
Cryogenics
- 22.11.06 Cryo-valves remote control in CCC by AB/CO
- 22.11.06 Control of quench valve
DFB Commissioning
- 04.12.06 Re-positioning collars used to fix the WRL to the CLs (all DFBs) (A.Perin-D.Bozzini-F.Millet)
- 29.11.06 Pumping of Current Leads 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 (C33L8).
- 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–wk49 (J-C.Guillaume & R.Jones)
Main.MircoCoccoli - 06 Dec 2006 - 15:16
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Created by Main.MircoCoccoli on 2006-12-05 - 13:50

RAT_20061205_wslides.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x05x13x47/RAT_20061205_wslides.pdf Minutes with Presentation by D.Bozzini attached
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
- 04.12.06 Access & Safety Cable Installation (full sector) (J-C.Guillaume; end by Dec 7th)
- 30.11.06 Non conformity: 6 temperature sensor cables need repair (D.Bozzini, 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 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
- 17.11.06 Instrumentation cable HV tests in LSS8L (A.Suraci: 4 cables to be tested)
DFB Commissioning
- 04.12.06 Re-positioning collars used to fix the WRL to the CLs (all DFBs) (A.Perin-D.Bozzini-F.Millet)
- 29.11.06 Pumping of insulation vacuum for 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 Water leak on the tunnel concrete wall to be fixed (C33L8).
- 16.11.06 Cool down safety procedure & access conditions
Preparation of powering test
- 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–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 - 05 Dec 2006 - 13:47
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Created by Main.MircoCoccoli on 2006-12-04 - 19:03

RAT_20061204.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x04x17x39/RAT_20061204.pdf

Slide_w49.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x04x17x39/Slide_w49.pdf Week 49 Usage Table
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
- 04.12.06 Access & Safety Cable Installation (full sector) (J-C.Guillaume; end by Dec 7th)
- 30.11.06 Non conformity: 6 temperature sensor cables need repair (D.Bozzini, 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 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
- 17.11.06 Instrumentation cable HV tests in LSS8L (A.Suraci: 4 cables to be tested)
DFB Commissioning
- 04.12.06 Re-positioning collars used to fix the WRL to the CLs (all DFBs) (A.Perin-D.Bozzini-F.Millet)
- 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 (C33L8).
- 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–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 - 04 Dec 2006 - 17:40
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Created by Main.MircoCoccoli on 2006-12-03 - 23:20
This tentative planning will be discussed at Monday 4th RAT meeting in Point 8.
Thanks,
Mirco

Plan78w49.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x03x23x13/Plan78w49.pdf
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Created by Main.MircoCoccoli on 2006-12-01 - 13:16

RAT_20061201.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2006x12x01x13x13/RAT_20061201.pdf
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–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
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