Difference between revisions of "Run Planning Meeting Notes, October 21 - October 27, 2021"
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| − | <-- [https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Summer2021 Summer 2021 RC meetings] | + | <-- [https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Summer2021 Summer 2021 RC meetings] [https://cebaf.jlab.org/files/ops/accboard/ MCC whiteboard] |
=Thursday, October 21= | =Thursday, October 21= | ||
Revision as of 09:12, 21 October 2021
<-- Summer 2021 RC meetings MCC whiteboard
Thursday, October 21
- Last 24h:
- No beam from 5:20pm Tuesday until early am Thurs due to LCW/power problem. Resumed production ~3:30am.
- New harp scan Previous harp scan
- Work done during the access:
- magnetic field measurements around CCAL
- 15 FCAL bases replaced and re-terminated one cable
- faulty FDC chiller replaced
- rebalanced the server power load on rack 13
- position survey CCAL
- correct shielding at the left (downstream) PS arm
- Remaining issues:
- Tagger hodoscope time shifts
- communication with accel. w.r.t. tagger magnet - Paul Vasilauskis (Ops group leader): "I am putting out to my staff to contact the hall if they do need to touch the magnet and am looking into adding wording to the magnet screens"
- BCAL noise at 10 o'clock
- Bleedthrough
- Plan:
- When the beam is back continue production at 200nA after the usual checks (radiation levels & harp scans)
- Continue running with the solenoid on & target full until Friday or later
- Pass change for A&B Saturday morning (A->4 pass)
- Expect downtime Monday morning for VIP tour, start time TBC probably ~7am.
- Ops will need another maintenance day before the energy change
