LHCb Gas Systems meeting

Friday 28 Nov 2025, 10:00 → 11:00 Europe/Zurich

124/R-012 (CERN)

75 (340, 281) P&ID drawings RICH1 completed by Damiano. Who will continue? 

plan of SG and US and UX to check

RICH1 pressure difference like in TRD? -> 635

summary C4F10 bottles and consumption -> link missing

RICH2 pressure sensor across after pump not working -> 731

RICH2 3eme linea for recuperated CF4 injection -> 27 + modif mixer for three indipendent lines -> Gianluca new ticket

CODEX-b P&ID to be updated -> 311 and put cad source on EDMS

RICH1 should we add some Ni? to control [O2] -> 662 check with C. Frei

CODEX-b gas system TID to be done? -> 35 and 310 and 322

RICH1 leak status, where they are, how to repair -> TICKET 

 

 

from weekly meeting minute:

LHCb

SciFi some work from others expected -> DONE

RICH1 membrane bypass is a problem? modification needed to remove -> TICKET Khrone are anyway useful

SciFi one alarm blocked to check why ->  update 631

RICH1 cleaning or emptying , when? not before mid-september? -> TICKET 

RICH1 recuperation work to be done:

software:

distillation not commissioned

some pump loop with zimmerli leaking not commissioned

hardware:

Patrick to add modif in a ticket -> Pieter to do TICKET

fire detection alarms reported by Pieter, more info? but not on us. Cleaning of SG room anyhow needed -> TICKET 

CODEX-b interlock for flammable gas detection -> Patrick TICKET

 

 

 

  

 

 

10:00 → 10:30 summary of jira tickets

Speakers: Patrick Carrie (CERN), Pieter Vanslambrouck