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20170131 » History » Version 18

Nebrensky, Henry, 31 January 2017 19:10

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h1. Ops/Comm Scheduling meeting
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Location : G06 in R66 at 2pm
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Phone access :  ReadyTalk number 
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US 866-740-1260
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UK 0800-496-0576
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Swiss 0800-70-53-51
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Italy 800182592
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Access Code: 2155402
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* SS Magnet status
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* Hydrogen status
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* Issues arising from previous running
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** [[Hall_Task_List_Dec16Feb17|Shutdown work in Jan and Feb]]: "present version":https://micewww.pp.rl.ac.uk/attachments/download/8158
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* Operations :
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** C&M System Check report (Ajit/Ed)
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** Establishing a timetable for the runup : when should systems (including magnets) be ready for running?
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*** Beam schedule
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**** Run up on Jan 30 - Feb 12.
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**** Start of user cycle : Feb 14
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**** Start of data-taking : Feb 15
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*** Reserve shifter support from Feb 10 - Feb 14 
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*** MOM formally starts on Feb 9 (but should be present for the runup activities but will not be on 24-hour call)
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*** Possible runup plan (framework for discussion)
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**** Monday 6th : Preparation meeting with Ed/Ajit/Colin/Josef/Others to go over readiness for running
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**** Tuesday 7th (subject to meeting on Monday) : Bring up magnets to running configuration, take some pulser data and take magnets down
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**** Saturday 11th : Expert led run without solenoids + Beam tune
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**** Monday 13th : Triage actions arising from expert led run
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**** Tuesday 14th : Bring up magnets in the evening and monitor overnight by reserve shift.
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**** Wednesday 15th : Data-taking start at 08:00 
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** Shift signup for first half of Feb is viable now (but not full)
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| *Shift Block ID*   | # signed up  |  # shifters still needed  | 
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|         1          |     6        |            0              |
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|         2          |     4        |            2              | *Need one overnight shift per night (5 nights) for monitoring* |
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|         3          |     4        |            2              | *Need one overnight shift per night (5 nights) for monitoring* |
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|         4          |     4        |            1              |
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*Magnet monitors do not need to be trained shifters*
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** BLOCs are needed : Feb 20 - 24 and Feb 27 - Mar 1
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* AOB:
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* Last meeting : [[20170124|Tuesday Jan 24 2017]]
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* Next meeting : [[20170206|Tuesday Feb 6 2017]]
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h2. Minutes
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* CC Magnet status (J Boehm)
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  All 3 CC magnets are now in flip mode; cold and full of helium. Everything is presently being run into shorts for the CC IOC testing.
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  Handover from Pierrick is in progress. A few GUIs have been changed.
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  Are seeing instability in SSU power supply (into shorts): last week suddenly ramped from 150 to 215 A; lost control of GUI; ramped down manually.
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  Similar last night, with control cables disconnected from the AMI controller - again unstable and major changes in current on its own, implies a hardware issue.
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  Now running with a different controller - seeing issues still. May possibly be associated with a purely resistive load.  
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* Hydrogen status (M Tucker)
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  Cooled down in R9 with Neon, made 2 to 2.5 litres of liquid, less than 1 K difference between condenser and absorber.
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  Expect about 1 l every 6 hours, so over 5 days to fill with LH2 needing a 24hour rota. 
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* Issues arising from previous running (DC)
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  Need a comprehensive list of encountered issues, else can't assume they will be addressed before running resumes. We are now well past halfway through the shutdown.
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* Shutdown work in Jan and Feb ( "official version":https://micewww.pp.rl.ac.uk/attachments/download/8158 )
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  Issues/Progress on workplan items (using a stale list):
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  ** PT100s - done
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  ** ODH sensor service - done
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  ** POMPOMs sensor test - done
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  ** Neutron Monitor: ISIS can't do it; will return to MICE for us to make arrangements. Continue with temporary monitor this cycle.
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  ** Proton Absorbers - remedial work done
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  ** "New" chiller plumbing - done
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  ** #1878 Trench heat exchanger to counter-flow - done, possibly some small leaks
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  ** Diffuser iris 4: needs next SSU run: Tuesday 7th
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     Compressed air: Activair coming to check the outside compressor to see why it didn't come on.
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  ** #1399 MICEnet lockout - tomorrow morning
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  ** #1888 Diffuser air - reported done
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  ** Airflow monitoring changes - done
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  ** PPS Functional Test - done
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  ** Earth leakage tests - done
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  ** New @target1ctl@ - issues with O/S and libraries...
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  ** R78 - replacement flanges in progress
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* C&M System Check report (Ajit/Ed)
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  CC Magnet UIs/IOCs tested last week - changes have been made on various machines, need to be aggregated.
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  Target SM tested today.
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  Need to test Run Control: Thursday?
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  Need to review the tags listed in the CDB
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  The NIKHEF Hall probes have been separated out into a different IOC.
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  Most of the hardware stuff is done. 
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* Run-up plan 
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** Roof water/chiller needs a load test with the air-blast active - tomorrow or Thursday subject to Hall work and state of pipes 
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** Monday 6th: Preparation meeting with Ed/Ajit/Colin/Josef/Others to go over readiness for running; remove shorts from link boxes, ATW and other prep.
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** Tuesday 7th: Bring up CC magnets to running configuration, take some pulser data and take magnets down; _check Diffuser operation_
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** Saturday 11th - Half-day of ISIS beamtime: expert led run without CC Magnets + Beambump tune (Hayley, NB Ed has to leave mid-afternoon)
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** Monday 13th: Triage actions arising from expert led run; BLOC training on everything that isn't target
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** Tuesday 14th: Bring up magnets in the evening and soak-test overnight (reserve shifters).
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** Wednesday 15th: Data-taking start at 08:00 
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* Shift signup:
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  With the LH2 install going ahead there will be no running during second half of 2016/05 and thus no available shift allocation - MICE that have not yet made shift quota take note. 
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* AOB:
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  Linde Gas Analyser webcam - where has it gone? It is being PAT tested.
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h3. Actions
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* JBoehm to get SS operating info from PHanlet (ongoing)
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* JBoehm to get/impose consensus from SC Magnets group on running of "Central CC GUI"
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* DC to collate list of issues arising from previous running 
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* Status of @miceraid5@ disk cleanup (stands)
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* -AKurup to make and circulate plan for NIKHEF probe IOC-
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* -SBoyd - ISIS machine-physics beam time-
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* DC to ensure Health Physics have checked temporary neutron monitor (stands)
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* SBoyd - ensure MICE-wide discussion of MOM C&M panel