Difference between revisions of "April 23, 2020 CPP Design Meeting"
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* Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/April_2,_2020_CPP_Design_Meeting#Minutes_and_Action_Items | * Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/April_2,_2020_CPP_Design_Meeting#Minutes_and_Action_Items | ||
* Overall description https://halldweb.jlab.org/DocDB/0041/004180/006/CPP_update_oct19.pdf | * Overall description https://halldweb.jlab.org/DocDB/0041/004180/006/CPP_update_oct19.pdf | ||
| + | * Rory's comments [[Media:Rory's_screen_shots.pdf]] | ||
| + | * 3D model - show progress | ||
* Alignment tolerances | * Alignment tolerances | ||
** Relative to Beamline | ** Relative to Beamline | ||
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== Minutes and Action Items == | == Minutes and Action Items == | ||
*Reviewed minutes of last meeting | *Reviewed minutes of last meeting | ||
| + | * Need to notch steel at bottom to clear connectors -- Stephanie | ||
| + | * Look at using a 90° connector -- Rory | ||
| + | * Check gas line bending to clear beam left dark room -- Rory | ||
| + | * Alignment requirements relative to BL - X&Y ±2mm, Z ±1cm | ||
| + | ** Met with survey - need to add x,y and z adjustments for the entire system to achieve this | ||
| + | * Desire to have a small block of 5cm lead movable | ||
| + | ** can be a local adjustment | ||
| + | ** Ring with 7.5cm hole | ||
| + | ** ok to have 10cm thick where overlap is | ||
| + | ** Holes to be square with radius corner | ||
| + | ** Hole size should have 1mm precision | ||
| + | ** What should be the size of the hole in the large lead absorber? | ||
| + | * Need to check repeatability of detector after moving FCAL platform | ||
| + | * Develop a procurement plan for this FY -- Tim | ||
| + | * Set up new meeting in 2 weeks | ||
Latest revision as of 08:42, 29 April 2020
Meeting Time and Place =
Thursday April 23, 2020, 1:30pm Bluejeans https://bluejeans.com/710246635/3638?src=calendarLink
- Present - Elton, Dave, Stephanie, Llya, Rory (remote)
Agenda
- Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/April_2,_2020_CPP_Design_Meeting#Minutes_and_Action_Items
- Overall description https://halldweb.jlab.org/DocDB/0041/004180/006/CPP_update_oct19.pdf
- Rory's comments Media:Rory's_screen_shots.pdf
- 3D model - show progress
- Alignment tolerances
- Relative to Beamline
- Steel Absorbers, x,y,z
- Lead Absorber, x,y,z
- Detectors, x,y,z
- Relative to one another
- Repeatability
- Relative to Beamline
- Things to work out
- Alignment tolerances
- Electronics shielding Media:Muon_Chamber_Shielding.pdf
- Grounding Media:Muon_Chamber_dimensions.pdf
- Complete structural analysis
- Develop installation plan
- Develop Design/operational/Maintenance Requirements
Minutes and Action Items
- Reviewed minutes of last meeting
- Need to notch steel at bottom to clear connectors -- Stephanie
- Look at using a 90° connector -- Rory
- Check gas line bending to clear beam left dark room -- Rory
- Alignment requirements relative to BL - X&Y ±2mm, Z ±1cm
- Met with survey - need to add x,y and z adjustments for the entire system to achieve this
- Desire to have a small block of 5cm lead movable
- can be a local adjustment
- Ring with 7.5cm hole
- ok to have 10cm thick where overlap is
- Holes to be square with radius corner
- Hole size should have 1mm precision
- What should be the size of the hole in the large lead absorber?
- Need to check repeatability of detector after moving FCAL platform
- Develop a procurement plan for this FY -- Tim
- Set up new meeting in 2 weeks
