Difference between revisions of "March 12, 2023, FCAL Insert Installation Meeting"
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== Agenda == | == Agenda == | ||
| − | * Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/ | + | * Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/March_5,_2023,_FCAL_Insert_Installation_Meeting |
* Go through updated Gant chart | * Go through updated Gant chart | ||
** [[Media:FCAL2_schedule_v2a.pdf]] | ** [[Media:FCAL2_schedule_v2a.pdf]] | ||
Revision as of 17:05, 11 April 2023
Meeting Time and Place
Wednesday March 12, 2023 9am At Jefferson Lab, Hall D Counting House and on Zoom
Agenda
- Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/March_5,_2023,_FCAL_Insert_Installation_Meeting
- Go through updated Gant chart
- Media:FCAL2_schedule_v2a.pdf
- What inspections/marking/labeling/testing needed prior to glass block removal?
- Surveys before removal
- Who is responsible for what?
- Discuss Lead Glass and crystal module removal/install [1] - Sasha
- Manpower and task division [2] - Sasha
- Cable update Media:FCAL2_lv,board.pdf
- Monitoring system discussion
- Assembly in ESB
Minutes
- Discussed minutes from last meeting
- what inspections/marking/labeling are needed prior to removal of lead glass blocks?
- Malte to come up with a written procedure of what they plan on
- Need for good tracking of all modules
- There will be several surveys and measurements for baseline
- Sasha wants to minimize rewrapping - needs to come up with a threshold
- Malte and Mark Dalton wish to be involved in FCAL module dis-assy
- what inspections/marking/labeling are needed prior to removal of lead glass blocks?
- Going through new version of Gant chart
- Matt commented on the fact that some dates do not make sense
- Need to update Gant chart with more realistic time frames
- Need to tie Sasha's manpower chart into Gant
- Malte making base stress test plan to determine weak base
- to be done in January
- prepare stock pile of new bases
- Discussed need for written procedures for all aspects of the project
- Sasha wishes to be responsible for all procedures pertaing to lead glass and crystal modules
- He may need some help? Who will do what - This needs to be decided in order for things to go smoothly
- Discussed desire to downgrade Hall for GERT only, can ESB be downgraded?
- Discussed the need for a planned quantity of modules to be re-wrapped
- This will be based on Sasha's proposed student manpower for 3 months
- 700 modules to be re-wrapped is the current baseline
- Sasha will obtain materials for many more just in case
- Discussed cables
- Sasha Fernando proposed a change to put PCBs at chains for LV
- Proposed horizontal layout will be too crowded
- Will meet in a separate meeting again to decide on this
- Sasha Fernando proposed a change to put PCBs at chains for LV
- Sasha showed a working layout for tables and shelving in hall for lead glass and crystal modules
- Concern with stability of free standing shelving
- Can tie 2 shelves together for stability
- Modify existing wall shelving for length of lead glass modules
- Need to determine how much existing shelving and what is needed to procure
- Discussed rack and crate layout
- Sasha showed his proposed crate layout
- Need to strategically place racks for simplified cable paths
- Show 3d model of rack layout next meeting
- Discussed need for mock ups
- Maybe use ComCal as a mock up for new cabling in January when it is removed from the hall
- Use lead glass to verify all wrapping /rework procedure so traing can be done well for students
- Use videos to teach students?
- Discussed use of 2 scissor lifts instead of big platform upstream of the FCAL
- Need to demonstrate stability of lift at heights
- Rent 2nd larger lift with 4 ft extension ($1K / month)
