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://cebaf.jlab.org/files/ops/accboard/ MCC whiteboard]
 
<-- [https://halldweb.jlab.org/wiki/index.php/Run_Coordination_Meetings:Summer2021 Summer 2021 RC meetings] [https://cebaf.jlab.org/files/ops/accboard/ MCC whiteboard]
 +
 +
=Happenings since the Friday morning meeting=
 +
#* No news from the accelerator yet but everyone seemed optimistic at the morning meeting.
 +
#* Started filling the target a little before 9:30, with Chris Keith watching, and the shift crew here.
 +
#* We went into controlled access so that Tim could go in to do something for CPP.
 +
 +
=Friday, October 22=
 +
# Last 24h: Production runs continued smoothly until 2:51pm when an arc magnet tripped. About 7pm the team looking at the power supply found that there was a short in any one of the 42 magnets downstream, they will resume work in the morning. [https://logbooks.jlab.org/entry/3930057 Shifts were cancelled until 9am.]
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{| border="0" cellpadding="2"
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|[[Image:arc7.png|thumb|x300px|arc 7 trip]]
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|}
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#* [https://logbooks.jlab.org/entry/3929614 extra PS shielding added on Wednesday]
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#* [https://logbooks.jlab.org/entry/3929964 FCAL comms restored]
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#* [https://logbooks.jlab.org/entry/3928806 Alarm added on tagger magnet current]
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# Remaining issues:
 +
#* BCAL noise at 10 o'clock
 +
#* Bleedthrough
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# [https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan:]
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#* Call Chris Keith (to watch the target fill). 
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#* 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 further notice
 +
#* [https://cebaf.jlab.org/files/ops/accboard/ Pass change for A&B might be deferred to Saturday swing or Sunday day (A->4 pass)]
 +
#* Expect downtime Monday morning for VIP tour, start time TBC probably ~7am.
  
 
=Thursday, October 21=
 
=Thursday, October 21=
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#* Expect downtime Monday morning for VIP tour, start time TBC probably ~7am.   
 
#* Expect downtime Monday morning for VIP tour, start time TBC probably ~7am.   
 
#* Ops will need another maintenance day before the energy change
 
#* Ops will need another maintenance day before the energy change
−
 
−
=Friday, October 22=
 
−
# Last 24h: Production runs continued smoothly until 2:51pm when an arc magnet tripped. About 7pm the team looking at the power supply found that there was a short in any one of the 42 magnets downstream, they will resume work in the morning. [https://logbooks.jlab.org/entry/3930057 Shifts were cancelled until 9am.]
 
−
{| border="0" cellpadding="2"
 
−
|[[Image:arc7.png|thumb|x300px|arc 7 trip]]
 
−
|}
 
−
#* [https://logbooks.jlab.org/entry/3929614 extra PS shielding added on Wednesday]
 
−
#* [https://logbooks.jlab.org/entry/3929964 FCAL comms restored]
 
−
#* [https://logbooks.jlab.org/entry/3928806 Alarm added on tagger magnet current]
 
−
# Remaining issues:
 
−
#* BCAL noise at 10 o'clock
 
−
#* Bleedthrough
 
−
# [https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan:]
 
−
#* Call Chris Keith (to watch the target fill). 
 
−
#* 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 further notice
 
−
#* [https://cebaf.jlab.org/files/ops/accboard/ Pass change for A&B might be deferred to Saturday swing or Sunday day (A->4 pass)]
 
−
#* Expect downtime Monday morning for VIP tour, start time TBC probably ~7am.
 
−
 
−
=Happenings since the Friday morning meeting=
 
−
#* Started filling the target a little before 9:30, with Chris Keith watching, and the shift crew here.
 
−
#* We went into controlled access so that Tim could go in to do something for CPP.
 

Revision as of 09:52, 22 October 2021

<-- Summer 2021 RC meetings MCC whiteboard

Happenings since the Friday morning meeting

    • No news from the accelerator yet but everyone seemed optimistic at the morning meeting.
    • Started filling the target a little before 9:30, with Chris Keith watching, and the shift crew here.
    • We went into controlled access so that Tim could go in to do something for CPP.

Friday, October 22

  1. Last 24h: Production runs continued smoothly until 2:51pm when an arc magnet tripped. About 7pm the team looking at the power supply found that there was a short in any one of the 42 magnets downstream, they will resume work in the morning. Shifts were cancelled until 9am.
arc 7 trip
  2. Remaining issues:
    • BCAL noise at 10 o'clock
    • Bleedthrough
  3. Plan:

Thursday, October 21

  1. Last 24h:
  2. 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
  3. 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
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