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