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Gas systems weekly project meeting
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Europe/Zurich
32/1-A24 (CERN)
gas systems project meeting
Gas systems
piquet:
10/7
CMS-RPC - Purifier1 Column A pressure too high during regeneration -> [GASSYSTEMS-716] CMS-RPC - Purifier1 Column A pressure too high during regeneration - CERN Central Jira
LHCb-RICH1 Purif ColB too important pressure drop
3/7
CMS-RPC purifier 3 heating tape -> [GASSYSTEMS-708] CMS-RPC purifier 3 heating tape problem - CERN Central Jira
CMS FGR off due to problem -> [GASSYSTEMS-709] CMS FGR off due to problem after valve replacement - CERN Central Jira
Alarms blocked
TPC: mixer injection too long, PV4003, MFC5002 profibus
TRD: mixer not in run, purifier columns
MID: profibus in mixer
RPC: electrical status
TFC: DSS hardware interlock
SciFi: electrical status
26/6
CMS-FGR Huber alarm -> [GASSYSTEMS-710] CMS-FGR Huber alarm - CERN Central Jira Maria Cristina already sent info to LaboTech
CMS-FGR dewpoint alarm -> [GASSYSTEMS-711] CMS-FGR dewpoint alarm when no flow at input of recovery - CERN Central Jira can we do something to avoid?
CMS N2 flow -> delay on the alarm? 2 minutes? check limits? [GASSYSTEMS-712] CMS N2 flow and alarms - CERN Central Jira
19/6
ATLAS-RPC rack 66 chamber pressure fluctuations --> [GASSYSTEMS-689] ATLAS-RPC rack 66 chamber pressure fluctuations - CERN Central Jira
CMS-DT pump --> [GASSYSTEMS-691] CMS-DT pump broken (motor?) - CERN Central Jira & Miguel to follow-up -> TO BE SEND TO KNF
8/5
ATLAS-RPC heating tape not working -> [GASSYSTEMS-632] ATLAS-RPC heating tape not working - CERN Central Jira (replace heating tape + separate power supply easy for 2 and 3, purif 1 during LS3) [GASSYSTEMS-670] ATLAS-RPC Purif 3 ColB repair - CERN Central Jira
RICH1 pump regulation alarm and gas consumption check needed --> [GASSYSTEMS-634] RICH1 update C4F10 consumption - CERN Central Jira
RICH1 pressure difference like in ALICE TRD -> [GASSYSTEMS-635] RICH1 pressure difference like in ALICE TRD - CERN Central Jira
24/4
ATLAS-TGC 2nd liquifier to be tested -> [GASSYSTEMS-636] ATLAS-TGC 2nd liquifier to be tested - CERN Central Jira
10/4
ALICE-MID purifier temperature HH alarm -> [GASSYSTEMS-600] ALICE-MID purifier temperature HH alarm - CERN Central Jira
3/4
CMS-RPC purif 1 not doing vacuum during regeneration [GASSYSTEMS-590] CMS-RPC purif 1 not doing vacuum during regeneration - CERN Central Jira
need to be tested after maintenance of the pump. update ticket.
ALICE-TRD Xe recuperation how to inject [GASSYSTEMS-591] ALICE-TRD Xe recuperation how to inject: procedure - CERN Central Jira
some clear text for electrical status page in winccoa --> [GASSYSTEMS-657] some clear text for electrical status page in winccoa - CERN Central Jira
ALICE, ATLAS, CMS IR iC4H10 calibration bottles & SF6 -> [GASSYSTEMS-658] ALICE, ATLAS, CMS IR iC4H10 calibration bottles & SF6 - CERN Central Jira
ALICE
70 report from Anité [GASSYSTEMS-70] TPC gas quality - filters to Benoit - CERN Central Jira (I don't see the report, can you please add it?)
TRD is leak back? [GASSYSTEMS-568] ALICE TRD leak search tests/interventions log - CERN Central Jira
several alarms blocked: [GASSYSTEMS-628] ALICE alarms blocked - CERN Central Jira
TOF gas mixture analysis -> [GASSYSTEMS-639] TOF gas mixture analysis - CERN Central Jira & ELOG
TRD membrane is connected ? -> [GASSYSTEMS-717] TRD membrane status - CERN Central Jira
ATLAS
TS1->MDT frequency converter (need to be replaced TICKET), RPC distribution rack regulation valve (TICKET), RPC secondary mixer (TICKET)
MDT pressure sensors -> Pieter TICKET done
RPC purif 3 circuit breakers & meeting -> [GASSYSTEMS-718] RPC purif 3 electrical issue - CERN Central Jira --> meeting when?
problem with n-penthane tank level measurement -> [GASSYSTEMS-603] TGC problem with n-penthane tank level measurement - CERN Central Jira
ATLAS-TGC flow difference --> [GASSYSTEMS-612] ATLAS-TGC flow difference - CERN Central Jira
ATLAS ID flushing follow up of incident of 10 April --> [GASSYSTEMS-614] ATLAS ID flushing follow up of incident of 10 April - CERN Central Jira
VERY IMPORTANT: [GASSYSTEMS-618] ATLAS ID flushing change of gas procedure, dewpoint warning and alarms - CERN Central Jira
several alarms blocked: [GASSYSTEMS-629] ATLAS alarms blocked - CERN Central Jira
TGC differential pressure sensor for pump filter: is it there? if not why? -> [GASSYSTEMS-640] TGC differential pressure sensor for pump filter: is it there? if not why? - CERN Central Jira
ATLAS-RPC Purif 3 to be regenerated -> follow-up [GASSYSTEMS-670] ATLAS-RPC Purif 3 ColB repair - CERN Central Jira COMPLETED?
MDT analysis after pump -> probably there is already a TICKET check
CMS
RPC purif 3 circuit breakers & meeting --> STEMS-718] RPC purif 3 electrical issue - CERN Central Jira --> meeting when?
R134a insulation - isol'tut to check and see what to do -> ticket IO [GASSYSTEMS-578] R134a insulation - isol'tut to check and see what to do - CERN Central Jira
How much gas flow we need for the RPC purifier? --> OFFLINE with Maria Cristina [GASSYSTEMS-579] CMS-RPC How much gas flow we need for the RPC purifiers? - CERN Central Jira
RPC bypass pump too much closed --> [GASSYSTEMS-604] RPC bypass pump too much closed - CERN Central Jira
RPC H2O ExhToDist CMSAUX_An_XANA9319AS 159 5000 ppm, but is it not normal? --> [GASSYSTEMS-605] RPC H2O ExhToDist 5000 ppm is ok? - CERN Central Jira
RPC double flow test -> ticket? exists? [GASSYSTEMS-392] RPC test of double the flow in one rack - CERN Central Jira
RPC with CO2 like ATLAS and effect on R134a recuperation -> [GASSYSTEMS-606] RPC with CO2 like ATLAS and effect on R134a recuperation - CERN Central Jira
GEM chamber pressure alarm for stop -> ticket with GEM responsible [GASSYSTEMS-580] GEM chamber pressure alarm for stop - CERN Central Jira
R134a Upgrade (hardware and software) to be tested -> [GASSYSTEMS-594] R134a Upgrade (hardware and software) to be tested - CERN Central Jira
alarms blocked: [GASSYSTEMS-630] CMS alarms blocked - CERN Central Jira
DT vaisala reading difference between SG and US -> [GASSYSTEMS-677] CMS DT vaisala reading difference between SG and US - CERN Central Jira
test KNF pump for R134a recuperation --> [GASSYSTEMS-643] test KNF pump for R134a recuperation - CERN Central Jira
GEM 904 would like to move their mixer to PLC -> ticket already exists. check [GASSYSTEMS-468] Re: 904 GEM gas system - CERN Central Jira
CSC 904 new panels -> for LS3 -> ticket Andrea? [GASSYSTEMS-581] CSC at 904 - CERN Central Jira
RPC 904 new line -> ticket Andrea? [GASSYSTEMS-582] RPC 904 new line - CERN Central Jira
RPC904 cleaning of lines -> follow ticket [GASSYSTEMS-556] 904 RPC gas distribution panels not working properly - CERN Central Jira
LHCb
TS1-> RICH1 leak search (postponed), SciFi some work from others expected
RICH1 water cooling -> [GASSYSTEMS-719] RICH1 water cooling - CERN Central Jira and workshop need?
RICH2 CO2 from purifier-> check how to decrease-> ticket IO [GASSYSTEMS-585] RICH2 [CO2] from purifier-> check how to decrease - CERN Central Jira
RICH2 form where the CO2 entered -> from backup? how long was it in stop? -> [GASSYSTEMS-607] RICH2 form where the CO2 entered -> from backup? how long was it in stop? - CERN Central Jira
RICH1 what we learn from 1st fill -> [GASSYSTEMS-608] RICH1 what we learn from 1st fill - CERN Central Jira
for example: RICH1 membrane bypass is a problem?
summary of the C4F10 bottles --> TICKET or ELOG -> [GASSYSTEMS-660] summary of the C4F10 bottles - CERN Central Jira
alarms blocked: [GASSYSTEMS-631] LHCb alarms blocked - CERN Central Jira
RICH2 IR calibration -> [GASSYSTEMS-661] RICH2 IR calibration - CERN Central Jira
RICH1 should we add some Ni to the purif? ask Christopf -> [GASSYSTEMS-662] RICH1 should we add some Ni to the purif? - CERN Central Jira
RICH1 C4F10 consumption --> TICKET Maria Cristina or update
NA62
CEDAR maintenance needed -> [GASSYSTEMS-609] CEDAR maintenance needed - CERN Central Jira
pressure sensors 6104 and 6105 statistic of failure [GASSYSTEMS-653] pressure sensors 6104 and 6105 statistic of failure - CERN Central Jira
GIF++ TGC gas system and return flow: [GASSYSTEMS-624] GIF++ TGC gas system return flow - CERN Central Jira
[GASSYSTEMS-674] MFCs to be checked - CERN Central Jira :
- Fondoscala del MFC di R134A e sensore umidità del gas RPC [GASSYSTEMS-645] Fondoscala del MFC di R134A e sensore umidità del gas RPC - CERN Central Jira
- Neutrino platform gas analysis: [GASSYSTEMS-622] RE: Analisi di outgassing di diversi materiali - CERN Central Jira
- ALICE T10 MFCs: [GASSYSTEMS-669] ALICE T10 TR: calibration MFC pour C4F10 - CERN Central Jira
- ND280 MFCs to check [GASSYSTEMS-679] ND280 MFCs to check - CERN Central Jira
non-LHC safety valve --> check lista di Fabio
[GASSYSTEMS-172] non-LHC safety valves to be verified - CERN Central Jira
ELOG - safety valves to be verified for non-LHC systems
Additional requests/projects/discussions
New Gas panels for DRD1 test beam [GASSYSTEMS-586] RE: New Gas panels for DRD1 test beam - CERN Central Jira
887 CEDAR new "mixers" --> [GASSYSTEMS-509] CEDAR for beam lines - CERN Central Jira
ALICE T10 test area MFC(s) -> [GASSYSTEMS-669] ALICE T10 TR: calibration MFC pour C4F10 - CERN Central Jira
examples of topics for the common discussions:
-cms id flushing -> Andrea
-cms r134a operation and spare -> Andrea
-cms cf4 operation and spare -> Andrea
-atl tgc nc5h12 -> Kacper
-Analysis boxes -> LPh
-C4F10 new recuperation installation -> Patrick
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