A. D'Auria CERN/PH-DT-DI 119/02/2014

2013 Maintenance ID flushing system: Maintenance 2 dryers Installation 2 flow meters Maintenance of several hygrometers (flushing system, N2 supply

from membrane system, …)

ID fl

ushi

ng sy

stem

PH-DT-DI 2013/2014 CMS activities

2013 Consolidation ID flushing system: 3 new gas distribution racks Analysis rack SX5 pixel lab dry air flushing and cooling

distribution systems

Maintenance 2014 ID flushing system:▫ Replace filters in distribution racks▫ Calibration MFMs▫ Calibration safety valves

A. D'Auria CERN/PH-DT-DI 219/02/2014

Muon Detector gas systems (CSC, DT, RPC)

Maintenance 2013

▫ Maintenance gas systems and analysis racks▫ Leak campaign test on RPC ▫ Installation heating tape on RPC new pipe.

Consolidation/Upgrades 2013 ▫ RPC Pump upgrade in USC55▫ DT high flow setup.▫ Commissioning RPC RE+4.

Gas

syst

ems

for M

uon

dete

ctor

sPH-DT-DI 2013/2014 CMS activities

A. D'Auria CERN/PH-DT-DI 319/02/2014

Stan

dard

mai

nten

ance

list

PH-DT-DI 2013/2014 CMS activities

2013/2014 Gas systems/Analysis maintenance list:

circulation pumpssafety valves and bubblers

power suppliesprofibus qualitypressure regulatorsanalysis devices

change absorber in purifiercheck/repair pneumatic valves

check/repair electro valvescheck/repair heating cables/connectorscheck/repair pressure regulatorsflow cells checkingcalibrations MFC

A. D'Auria CERN/PH-DT-DI 419/02/2014

LS1

extr

aord

inar

y m

aint

enan

ce li

stPH-DT-DI 2013/2014 CMS activities

2013/2014 Gas Detectors/Analysis extraordinary maintenance:

Software upgradeRPC modifications to open output for Xmas 2014Commissioning RPC RE-4.Repair recovery purifier column.CSC recovery CF4 - analysis rackCF4 maintenance/modifications/tests

A. D'Auria CERN/PH-DT-DI 519/02/2014

A lot of activities completed/on-going during 2014

Many new consolidation projects for all experiments

Conc

lusi

ons

Conclusions