Difference between revisions of "Run Planning Meeting Notes, August 11- August 17, 2022"

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(Past 72 Hours Summary)
(Past 72 Hours Summary)
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=== Past 72 Hours Summary ===
 
=== Past 72 Hours Summary ===
 
Time lost in hall mainly due to beam tuning; Hall C bleedthrough to B is still an issue.
 
Time lost in hall mainly due to beam tuning; Hall C bleedthrough to B is still an issue.
 +
 +
There is some chatter this morning about position locks [https://logbooks.jlab.org/entry/4029138]
  
 
=== Plan for Monday through Thursday ===
 
=== Plan for Monday through Thursday ===

Revision as of 08:38, 15 August 2022

Back to Run Coordination Meetings:Summer2022

Meeting are via ZoomGov: connect (Meeting ID: 160 199 0060 / Passcode 8394)

MCC whiteboard

Hall D counting room white board

Spreadsheet with list of runs

Thursday August 11

Past 24 hours

  • Running on Pb target (30 nA). Another relatively good day: ABU=18.3 h for the day
  • Beam down for 3.75 hrs due to afternoon thunderstorms
  • Program Deputy summary

Shift Reports

Reports

Issues

Plans

  • Beam off all day for maintenance day
  • Hall in controlled access
    • Solenoid current to be lowered because of cryowork. Tim seems to be doing this from home as we speak.
  • Requested survey of tagger hall for access to reset TAGH crate
  • When beam restored run harp scans
  • Production on Pb target.
  • Next pass change (4->3) for Hall C will be Tuesday. They will be down for 6h-8h Monday to install their aerogel. Monday is auspicious for a TAC run.

Friday August 12

Past 24 hours

  • Beam off Thu 630 am - ?? pm for maintenance day
  • ~ 9 am access to tagger hall by Beni to reset TAGH HV crate; OK now
  • ramped down solenoid for cry work (Tim)
  • resume prodcution data Friday 3:18 am

Shift Reports

Reports

  • Beni reset the TAGH HV crate; it's communicating again ([1])
  • Malte changed 2 FCAL bases ([2], [3])
  • The filter material (Molecular Sieve) Assy. for the Cryomech cold compressor in Hall-D has been completed by target group
  • Tim also reports that compressor swap is complete; not sure whether that refers to the target group's work?
  • Beam delivary after maintenance day delayed until ??? due to a leak in magnet LCW hose in NL.

Issues

Plans

  • Continue with prodcution data on Pb through the weekend.
  • Plan for TAC run on Monday, when Hall C installs their aerogel.

Monday August 15

Past 72 Hours Summary

Time lost in hall mainly due to beam tuning; Hall C bleedthrough to B is still an issue.

There is some chatter this morning about position locks [4]

Plan for Monday through Thursday

  • Monday: Hall C will turn off beam at 7 am to get ready for aerogel installation at 8 am. Is supposed to take about 6 hours.
  • Access to hall at 7 am to move target to empty position.
  • Sasha will try to make it in by 7:30 am to start TAC measurement.
  • Upon completion of TAC measurement resume production on empty target
  • Hall C pass change now scheduled for Wednesday.
  • Thursday 7 am end of run; start installation period for PrimeX

Friday: Day through Owl

  • at 7:45 am meeting Hall B complained about bleedthrough from C; optimizing the machine led to considerable downtime during the day.
  • at 12 pm MCC starts tuning
  • Otherwise running on Pb target (30 nA)
Recorded BTA
Shift ABU BANU BNA ER
8/12 Day 4.24 h 3.3 min 3.70 h 8 h
8/12 Swing 2.97 h 1.40 h 3.63 h 8 h
8/13 Owl 6.49 h 0.30 h 1.20 h 7.93 h
Total 13.70 h 1.76 h 8.53 h 23.93 h

Shift Reports

Reports

Issues

Plans

Saturday

Recorded BTA
Shift ABU BANU BNA ER
8/13 Day 6.16 h 0.14 h 1.70 h 7.87 h
8/13 Swing 4.80 h 0.38 h 2.82 h 7.93 h
8/14 Owl 6.75 h 0.29 h 0.97 h 7.9 h
Total 17.71 h 0.81 h 5.49 h 23.70 h

Shift Reports

Issues

  • one locked up FCAL base; shift crew followed reset procedure

Sunday

Recorded BTA
Shift ABU BANU BNA ER
8/14 Day 6.46 h 0.21 h 1.33 h 7.82 h
8/14 Swing 5.62 h 0.39 h 2.00 h 7.95 h
8/15 Owl h h h h
Total h h h h

Shift reports