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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:
24/4
CMS-RPC Purif 3 not reaching phase2 --> ELOG - Purifier 3 two times --> CHECK & TICKET
ATLAS-TGC liquid level difference --> follow-up [GASSYSTEMS-603] TGC problem with n-penthane tank level measurement - CERN Central Jira
-2nd liquifier:
some doubt on good functioning
not well insulated (liquid exits at 10 C higher temperature)
-purge gas in level sensor
ATLAS-RPC mixer iso alarm from IR --> ELOG - RPC mixer
17/4
TGC liquid in trap alarm -> [GASSYSTEMS-601] TGC liquid in trap alarm - CERN Central Jira --> liquid trap temperature increased
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
TGC liquid in trap alarm -> [GASSYSTEMS-601] TGC liquid in trap 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
dove sono i ticket di cavern closure dei quattro?
checklist dove sono? --> ticket IO [GASSYSTEMS-573] weekly checklists files missing: ATLAS and CMS - CERN Central Jira
--> ATLAS remains to be done
TOO MANY ENTRY FOR DATAPOINTS ->
[GASSYSTEMS-558] ALICE: datapoint archiving too often - CERN Central Jira
[GASSYSTEMS-559] ATLAS: datapoint archiving too often - CERN Central Jira
[GASSYSTEMS-560] CMS: datapoint archiving too often - CERN Central Jira
[GASSYSTEMS-561] LHCb: datapoint archiving too often - CERN Central Jira
--> new filr needed [GASSYSTEMS-557] datapoint archiving too often - CERN Central Jira
Chiller spares: --> TICKET
disappeared
ALICE no
ATLAS
TGC has spare in SG S/N??? (and S/N in use)
RPC has spare to be send back to company for maintenance --> Mattia S/N (and S/N in use)
CMS
RPC no spare (and S/N in use)
FGR no spare (and S/N in use)
LHCb no
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 leak is still there. [GASSYSTEMS-568] ALICE TRD leak search tests/interventions log - CERN Central Jira
ATLAS
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
TGC fill (experience) on April 1st. Still confirmed after the He leak problem? --> [GASSYSTEMS-593] TGC fill: experience summary - CERN Central Jira
check nC5H12 stock -->ticket IO [GASSYSTEMS-574] ATLAS-TGC nC5H12 stock - CERN Central Jira
how many litres?
how many days if we take last year consumption?
Thanks a lot!
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
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
CMS
CF4 pressure sensors for vacuum received --> test needed -> w14 [GASSYSTEMS-577] CF4 absorber new vacuum pressure sensors - CERN Central Jira
--> efficiency is low? check if there is a problem.
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
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
CODEX-b --> purif to be prepared, calibration of O2 and some test -> ticket? IO [GASSYSTEMS-466] CODEX commissioning - CERN Central Jira
LHCb console in US not working -> to Gianluca [GASSYSTEMS-583] LHCb console in US not working - CERN Central Jira DONE
should we postpone real filling? Patrick to ask Christoph [GASSYSTEMS-584] RICH1: should we postpone real filling? - CERN Central Jira UPDATE
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
Patrick, can you put the excel checklist as attachment in the weekly summary?
NA62
CEDAR filling planned for April 14th -> [GASSYSTEMS-492] NA62 CEDAR H2 filling - CERN Central Jira Done
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
CHARM test pressure sensors -> [GASSYSTEMS-610] CHARM test pressure sensors - 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
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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