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Gas systems weekly project meeting

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32/1-A24 (CERN)

32/1-A24

CERN

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gas systems project meeting
Gas systems
Zoom Meeting ID
62095888225
Host
Beatrice Mandelli
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piquet:

17/7

CMS-RPC same as last week -> TICKET Hervè

CMS-FGR humidity check

 

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 -> solved. TICKET open close.

 

 

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

He calibration bottle from April? check with Maria Cristina

 

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 - pipe installed

 

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

CMS-FGR -> TICKET should we add a module. Do we need to buy something? follow-up

CMS-FGR -> TICKET Maria Cristina già fatto per bypass

CMS-FGR -> TICKET flowmeter for Huber

 

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 

4 gr/y -> 2 ppm? 3000 ppm -~> 4 kg/y

 

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 :

 

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

 

AMBER EDMS? test certificate?

who is technical coordinator

resource manager Oleg D?

no money? should we stop? and resume in 2026? 

 

 

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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