Difference between revisions of "May 7, 2020 CPP Design Meeting"

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(Agenda)
(Minutes and Action Items)
 
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= Meeting Time and Place ==
 
= Meeting Time and Place ==
 
Thursday May 7, 2020, 1:30pm
 
Thursday May 7, 2020, 1:30pm
Bluejeans https://bluejeans.com/710246635/3638?src=calendarLink
+
Bluejeans https://bluejeans.com/735541157/3638?src=calendarLink
  
 
* Present - Elton, Dave, Stephanie, Llya, Rory (remote)
 
* Present - Elton, Dave, Stephanie, Llya, Rory (remote)
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* Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/April_23,_2020_CPP_Design_Meeting#Minutes_and_Action_Items
 
* 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
 
* Overall description https://halldweb.jlab.org/DocDB/0041/004180/006/CPP_update_oct19.pdf
* Design/Fab/Install schedule [[Media:CPP_rough_schedule.pdf]]
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* FY2020 Procurement possibilities [[Media:CPP_Procurement_schedule.docx]]
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* Design/Fab/Install schedule [[Media:CPP_install_schedule.pdf]]  
 
* 3D model - show progress
 
* 3D model - show progress
* Alignment tolerances require fine adjustment
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* Alignment tolerances require fine adjustment [[Media:CPP_stand_iso.pdf]]
 
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* Things to work out
 
* Things to work out
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** 90° connector [[Media:Rory's_slides.pdf]]
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** Gas line routing
 
** Procurement/installation schedule
 
** Procurement/installation schedule
 
** Alignment hardware
 
** Alignment hardware
 
** Electronics shielding [[Media:Muon_Chamber_Shielding.pdf]]
 
** Electronics shielding [[Media:Muon_Chamber_Shielding.pdf]]
** Grounding [[Media:Muon_Chamber_dimensions.pdf]]
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** Grounding cutouts in steel
 
** Complete structural analysis
 
** Complete structural analysis
 
** Develop installation plan
 
** Develop installation plan
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== Minutes and Action Items ==
 
== Minutes and Action Items ==
*Reviewed minutes of last meeting
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* Reviewed minutes of last meeting
* Need to notch steel at bottom to clear connectors -- Stephanie
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* Looked at possible installation schedules. The detector will be installed after spring 2021 run
* Look at using a 90° connector -- Rory
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* Looked at gas line clearances - looks like bend radius is small enough so lines do not extend any further than the electronics panels on either side.
* Check gas line bending to clear beam left dark room -- Rory
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* Need to design gas distribution manifold
* Alignment requirements relative to BL - X&Y ±2mm, Z ±1cm
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* Clearances cut in steel on 3D model look good
** Met with survey - need to add x,y and z adjustments for the entire system to achieve this
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* Need to review buckling loads on box tube (Tim)
* Desire to have a small block of 5cm lead movable
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* Need to look at I-Beam reinforcement (Tim)
** can be a local adjustment
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** Ring with 7.5cm hole
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** ok to have 10cm thick where overlap is
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** Holes to be square with radius corner
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** Hole size should have 1mm precision
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** What should be the size of the hole in the large lead absorber?
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* Need to check repeatability of detector after moving FCAL platform
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* Develop a procurement plan for this FY -- Tim
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* Set up new meeting in 2 weeks
 
* Set up new meeting in 2 weeks

Latest revision as of 09:20, 21 May 2020

Meeting Time and Place =

Thursday May 7, 2020, 1:30pm Bluejeans https://bluejeans.com/735541157/3638?src=calendarLink

  • Present - Elton, Dave, Stephanie, Llya, Rory (remote)

Agenda

Minutes and Action Items

  • Reviewed minutes of last meeting
  • Looked at possible installation schedules. The detector will be installed after spring 2021 run
  • Looked at gas line clearances - looks like bend radius is small enough so lines do not extend any further than the electronics panels on either side.
  • Need to design gas distribution manifold
  • Clearances cut in steel on 3D model look good
  • Need to review buckling loads on box tube (Tim)
  • Need to look at I-Beam reinforcement (Tim)
  • Set up new meeting in 2 weeks