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BLOCbeamlineStatus » History » Version 2

Nebrensky, Henry, 25 February 2015 17:46

1 1 Nebrensky, Henry
h1. Status of MICE Muon Beamline
2 2 Nebrensky, Henry
3 1 Nebrensky, Henry
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This list is for tracking the state between BLOCs, and should be viewed before an expert is called.  This is complementary to the whiteboard in the control room.
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h2. Access / Construction Work
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* Hall is open.
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* PRY construction continues - hence crane activity
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h2. Interlocks and Controls
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* Target gate valve is open
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* Beamstop is closed
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h2. Services (electricity / water / air / air-conditioning / network)
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* No service interuptions scheduled.
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* Airconditioning unit 1 is isolated, the others are operational.
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h2. Systems
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* Beamline:
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** The beamline polarity is set to mixed polarity
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** Control boards have been swapped between Q4 and Q5 MPS to look into ramping issue.
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* DS:
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** The Linde Fridge is running 
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** The PSU is isolated from the DS, and undergoing testing to look for overtemperature trips.
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*** If it trips, leave as-is (do NOT reset interlocks) so that the specific channel can be identified 
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* Proton Absorber:
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** need to further close damping valves
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* Beamstop:
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** Powerpack 2 has a cracked hose fitting awaiting replacement and is out of use 
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* MLCR:
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** No issues