Revision as of 08:47, 7 May 2020

Meeting Time and Place =

Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/April_23,_2020_CPP_Design_Meeting#Minutes_and_Action_Items
Overall description https://halldweb.jlab.org/DocDB/0041/004180/006/CPP_update_oct19.pdf
FY2020 Procurement possibilities Media:CPP_Procurement_schedule.docx
Design/Fab/Install schedule Media:CPP_install_schedule.pdf
3D model - show progress
Alignment tolerances require fine adjustment Media:CPP_stand_iso.pdf
Things to work out
- 90° connector
- Gas line routing
- Procurement/installation schedule
- Alignment hardware
- Electronics shielding Media:Muon_Chamber_Shielding.pdf
- Grounding cutouts in steel
- Complete structural analysis
- Develop installation plan
- Develop Design/operational/Maintenance Requirements

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 == 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