Present: Chris Keith, Dave Meekins, Josh Pierce, James Brock, Matt Marchlik, Dave Butler, Alexandre Deur, Tim Whitlatch

Minutes from last mtg https://halldweb.jlab.org/wiki/index.php/GlueX_Target_Design_Mtg,_Apr_21,_2014

Agenda

Where are we now? Media:Target labor.pdf
Cryo hardware status
Gas system status
- Exhaust from pressure relief
- Plumbing on cart
- pressure system documentation
- Storage tanks
3D model/drawings Media:Target assy.pdf
Target/Start counter interface
Vacuum system update
- Flange config
Controls status
- updated P&I
- changes for subcooled config
Installation cart update Media:Target cart.jpg
- Tank config
- Lifting
- Controls/panel config
- Alignment features
Scattering chamber status
Cell Fabrication Status
- thermometry
- Spare cell
Schedule
- Readiness review
- Assy/test in EEL
- Install/test in Hall

James fabricating new cell with straight torlon base and aluminized Kapton(plus a spare) - should be done 1 week
Hub drilled and match pinned w/ Start counter
Tom to run cable for kill switch in counting room
Gas panel almost complete
additional 80/20 ordered for cart to mount vacuum pumps
Vent stack materials in house
Power for compressor installed
Hall D to design 5 mil kapton window cartridge for target vacuum
Start Counter patch panel to be mounted on cart (4.5' cables)
Align target to aluminum tube Fiducialize target vacuum cross
Need to locate heat exch.
Hall D to run cable to flow and temp. switches from chilled water, 3 leads ea. 22 guage
PLC controls to be set up in EEL. need to develop expert GUI - alarms only
Labview code needed to start/stop compressor- RS22
Hall D to supply control air for gate valve and Nitrogen line for purging
Dave M. has low flow regulator for nitrogen vent stack purge
Dave B. making cables for PLC to cart. PLCs will be located in rack on the north side
Chris writing test procedure for EEL
Dave M making manifold for nitrogen purge.