Gas systems weekly project meeting
piquet:
26/6
CMS-FGR Huber alarm -> TICKET Maria Cristina already sent info to LaboTech
CMS-FGR dewpoint alarm -> TICKET can we improve?
CMS N2 flow -> delay on the alarm? 2 minutes? check limits? TICKET
19/6
ATLAS-RPC rack 66 chamber pressure fluctuations --> [GASSYSTEMS-689] ATLAS-RPC rack 66 chamber pressure fluctuations - CERN Central Jira
CMS-FGR R134a detection head alarms --> [GASSYSTEMS-690] CMS-FGR R134a detection head alarms - CERN Central Jira
CMS-RPC purifier 3 not ready for phase2 --> [GASSYSTEMS-692] CMS-RPC purifier 3 not ready for phase2 - CERN Central Jira (old ticket was for putif 1)
CMS-DT pump --> [GASSYSTEMS-691] CMS-DT pump broken (motor?) - CERN Central Jira & Miguel to follow-up
5/6
ATL and CMS not ready for phase2 check better reason -> [GASSYSTEMS-676] ATL and CMS purif not ready for phase2 - CERN Central Jira
TGC pump problem
22/5
nothing
15/5
nothing critical
ATLAS-RPC Purif2 no purge gas due to low CO2
8/5
ATLAS-RPC stop
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
ATLAS TGC heated pipe temperature low alarm -> [GASSYSTEMS-633] ATLAS-TGC heating tape for pipes - 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
30/4
??? MattiaB
TOF {O2}
24/4
CMS-RPC Purif 3 not reaching phase2 --> ELOG - Purifier 3 two times --> CHECK & TICKET --> now seems to be stable
ATLAS-TGC 2nd liquifier to be tested -> [GASSYSTEMS-636] ATLAS-TGC 2nd liquifier to be tested - CERN Central Jira
ATLAS-RPC mixer iso alarm from IR --> ELOG - RPC mixer
17/4
LHCb-MWPC Purif CB not cycling
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
27/3
MDT humidifier -> Checklist back for all!
20/3
CMS-RPC purifier 1 not reaching the pressure for phase 2 --> to check why [GASSYSTEMS-602] CMS-RPC purifier 1 not reaching the pressure for phase 2 - CERN Central Jira
CMS change cap closed-open and ventilation --> for Salvatore e Aleksandar -> it was a mistake from the operator
Chiller spares: --> [GASSYSTEMS-626] chillers for gas systems and spares - 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
MFCs calibration setup to be reassemble asap [GASSYSTEMS-644] MFCs calibration setup to be reassemble asap - CERN Central Jira
ALICE
TS1->nothing special, MID pump, humidifiers, TRD membrane
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 leak is still there. [GASSYSTEMS-568] ALICE TRD leak search tests/interventions log - CERN Central Jira
ALICE MCH humidifier on or off? [GASSYSTEMS-625] ALICE MCH humidifier status: info to be updated - 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
ATLAS
TS1->MDT frequency converter (TICKET), MDT flows unstable reported by philipp(?), RPC distribution rack regulation valve (TICKET), RPC secondary mixer (TICKET), TGC flowcells (?), pumps
where are the weekly check elog and the weekly checklist? -> [GASSYSTEMS-637] where are the weekly check elog and the weekly checklist? - CERN Central Jira
MDT high flow (wrong mixture, CO2 injected instead of Argon): how to spot in advance?
MDT pump: supplier reply? frequency converter? --> Philipp to be informed that some test at some point will be needed [GASSYSTEMS-592] MDT pump: supplier reply? frequency converter? - CERN Central Jira
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
heating controllers for ATLAS --> ticket IO -> out od yets & Patrick for cost estimate [GASSYSTEMS-576] ATLAS heating pipe cabinets - CERN Central Jira --> IN PLANNING
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
add screenshot ID flushing
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
onsite check during TS1 19-23/6 for ATLAS RPC regulation valve in distribution rack -> [GASSYSTEMS-641] ATLAS RPC regulation valve in old distribution rack - CERN Central Jira
ATLAS-RPC Purif 3 to be regenerated -> follow-up [GASSYSTEMS-670] ATLAS-RPC Purif 3 ColB repair - CERN Central Jira COMPLETED?
CMS
TS1-> R134a new pump (643), 3 circulation pumps, lower RPC flow, R134a new valve recuperation, RPC flowcells replacement
where is the weekly checklist? -> [GASSYSTEMS-638] where is the weekly checklist? - CERN Central Jira
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
RPC humidifier lauda --> old is broken? [GASSYSTEMS-617] CMS RPC Humidifier lauda - 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 humidifier MFC in "E" -> power cycle during access or no beam time [GASSYSTEMS-642] DT humidifier MFC in "E" - 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 pump, RICH1 leak search (postponed), SciFi some work from others expected
CODEX-b --> purif to be prepared, calibration of O2 and some test -> ticket? IO [GASSYSTEMS-466] CODEX commissioning - CERN Central Jira
CODEX-b --> some work to startup --> [GASSYSTEMS-659] CODEX-b --> some work to startup - CERN Central Jira
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
Patrick, can you put the excel checklist as attachment in the weekly summary?
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
NA62
CEDAR maintenance needed -> [GASSYSTEMS-609] CEDAR maintenance needed - CERN Central Jira
pressure sensors S/N to follow -> [GASSYSTEMS-595] NA62-CEDAR pressure sensors - CERN Central Jira
pressure sensor to be replaced in CEDAR PT6062 [GASSYSTEMS-623] NA62 CEDAR PT6062 to be replaced - CERN Central Jira
pressure sensors 6104 and 6105 statistic of failure [GASSYSTEMS-653] pressure sensors 6104 and 6105 statistic of failure - CERN Central Jira
pressure sensors 6104 or 6105 to be replaced and panel to be modified [GASSYSTEMS-678] CEDAR pressure sensors 6104 or 6105 to be replaced and panel to be modified - 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