Difference between revisions of "January 28, 2021 CPP Design Meeting/ERR discussion"
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** Target change out concept [[Media:CPP_Target_Mech_concept.jpg]] | ** Target change out concept [[Media:CPP_Target_Mech_concept.jpg]] | ||
* Microscope move? | * Microscope move? | ||
+ | * Controls needs? | ||
* Design/Procurement status | * Design/Procurement status | ||
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== Minutes and Action Items == | == Minutes and Action Items == | ||
+ | * ERR discussion | ||
+ | ** Meet next Thursday | ||
+ | ** Present preliminary slides | ||
+ | ** Have all Review documentation uploaded (except presentations) by end of week | ||
+ | ** Revamp schedule to meet August start date (Tim) | ||
+ | ** Add Target design and procurements to schedule | ||
+ | * Decided to put a new 1/2 rack on wheels on north side of DS platform for electronics | ||
+ | * Electronics and controls needs discussed | ||
+ | ** 864 wires- 12 FPC modules - 1 crate | ||
+ | ** 6 shv cables - Caen HV supply | ||
+ | ** 24 LV channels | ||
+ | * Target design discussed - generally accepted as a concept to be able to switch targets quickly and accurately (< 1mm variation) | ||
+ | * Microscope needs to be moved approx. 2m DS | ||
+ | ** Need to check on moving racks with detector or are cables long enough? | ||
+ | ** Add to schedule | ||
+ | * Discussed steel absorber thickness. | ||
+ | ** Total thickness should be within +/- 1cm | ||
+ | ** Each section should be withing +/- 2cm | ||
+ | * Gas System discussed | ||
+ | ** Using CDC mixing tank | ||
+ | ** All chambers in parallel | ||
+ | ** Rory requests controlling equal flow to each chamber (6 flow tubes) | ||
+ | ** Are bubblers needed for each chamber? | ||
+ | ** Rory to give additional requirements for the gas system |
Latest revision as of 12:43, 1 February 2021
Meeting Time and Place
Thursday Jan 28, 2021, 2pm Bluejeans https://bluejeans.com/465620466
- Present - Elton, Dave, Stephanie, Ilya, Rory, Mark S
Agenda
- Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/January_14,_2021_CPP_Design_Meeting_ERR_discussion
- Readiness Review February 10
- Schedule
Media:CPP_Schedule_before_primex_v2.pdf Media:CPP_Schedule_after_primex.pdf
- Solid Pb target support and installation Media:CPP_Target_pic.pdf
- Target change out concept Media:CPP_Target_Mech_concept.jpg
- Microscope move?
- Controls needs?
- Design/Procurement status
- Things to work out
- Gas line manifold
- Complete structural analysis
- Develop Detailed installation plan
- Develop Design/operational/Maintenance Requirements
- Modified US vacuum system
- Solid target installation
- Documentation for ERR
- Microscope move
Minutes and Action Items
- ERR discussion
- Meet next Thursday
- Present preliminary slides
- Have all Review documentation uploaded (except presentations) by end of week
- Revamp schedule to meet August start date (Tim)
- Add Target design and procurements to schedule
- Decided to put a new 1/2 rack on wheels on north side of DS platform for electronics
- Electronics and controls needs discussed
- 864 wires- 12 FPC modules - 1 crate
- 6 shv cables - Caen HV supply
- 24 LV channels
- Target design discussed - generally accepted as a concept to be able to switch targets quickly and accurately (< 1mm variation)
- Microscope needs to be moved approx. 2m DS
- Need to check on moving racks with detector or are cables long enough?
- Add to schedule
- Discussed steel absorber thickness.
- Total thickness should be within +/- 1cm
- Each section should be withing +/- 2cm
- Gas System discussed
- Using CDC mixing tank
- All chambers in parallel
- Rory requests controlling equal flow to each chamber (6 flow tubes)
- Are bubblers needed for each chamber?
- Rory to give additional requirements for the gas system