201403 R1ProgressRep

March 7 2014

1. Delays prevented Windows from being installed. They should be installed this weekend.
2. Final plugs and standoffs will be glued in today
3. remove chamber from clean room Sunday
4. Get shipping pallets for lifts, A-frames, the last chamber, and small equipment
5. Schedule pickup for Friday March 28 so the chamber arrives at JLab during the following week

Plan is to wire wrap, install boards, HV test to 100 Volts in air, and install board covers.

Get Carriage bolts for drift chamber lifting frame

Check that brass screws for windows are in.

Shrink wrap for the last two chambers.

Information to find:

A-frame dimensions:

• Base Width (dimension perpendicular to the rotation cylinder): 57"
• Base Depth (dimension parallel to cylinder): 52"
• A-frame plumb (vertical) height: 79"

Note: vertical height includes the height added by a metal end-piece that connects to the cylinder's mounts.

• A-frame side-length (structural member connecting base to top of "A"): 84"

• Carriage bolt length for nose-piece of chamber lifting structure: 5.25" long, 1" coarse thread

March 8 2014

Installation of mylar windows complete. All plugs and plastic stand-offs installed.

March 14 2014

• Parts for second pallet purchased.
• Second pallet construction under-way.
• Wire-wrapping started March 10th. Currently ~3/8ths done.
• Obtained 3-4 pallets that can fit into the elevator for carrying out smaller lab items.

CLAS12_R1_Progress_Reports#February_2014