Job List for Step IV Maintenance Shutdown (January 2016)¶

N.B. ISIS synch closed 4th-11th for MMPS testing
N.B. ISIS synch closed from 16:30 28th Jan.
N.B. ISIS run-up starts 1st February

• [[computing-software:MLCRUPSunits|APC UPS]] battery tests
  • Network switch at-risk during Network Rack UPS tests, and so on...
  • Possibly repeat calibration for IOC UPS DGC-PS-03
  • "New" extra UPS DGC-PS-08 for IOCs
• AFC2 removal
• AFC1 install
• Boosted Air sensor install : 4th - 8th
• ISIS Network at-risk : 9th-10th
• Linde Fridge service : 11th-15th
• Beamstop Hydraulic Lift service : 15th
• ISIS Network router : 23rd
• Linde Compressor Service : 18th-21st
  • Remedial visit 29th January
• DS QP: replace final battery cell (DL) and diodes in BBU circuit
• Target Fibre Mapping (through to Junction Box C)
• Target fibre loopback
  • Action : Colin will get in touch with Sheffield to plan this
• PPS crates rearrangement and PPS mods : late January
• PPS & BPS functional tests : 26th January
• TOF0 Survey : Jan 6th - 8th
• Conventional magnet cooling system flush - D2, Q5 & Q6, Q789 : 25th to 29th subject to John G schedule and ISIS run-up
  • Action : Talk to John about schedule for this
  • Only doing D2 and Q5
• Q456 drip trays + finish Q789 drip trays
  • Action : Henry/Pierrick will think about a design for this and will circulate a sketch by second week of January.
• Q6 water leak - will not do this in January but keep under review for longer shutdowns between ISIS user periods.
• Polarity sensor tests: D1 negative
  • D2 negative: move and reconnect D2 PSU first
  • D1 & D2 positive
• Design for safe access to top of PRY.
• Network reconfiguration for C&M : Pierrick to provide a document by first week of January but ASAP.
• Find out when DSA should be shut before the runup to the last ISIS run
  • Action : Craig will talk to Mark Arnold to get a date estimate

• Post-maintenance recovery:
  • Test run of D2 and quads before DSA closed
  • Test run of target before synch closed
  • Restore EPICS Archivers and Alarm Handler
  • Restore services: A/C, compressed air, water
  • DS cooldown restart: 2nd February

Key: possible, definite, date fixed