201302 R1ProgressRep

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Revision as of 14:32, 25 February 2013 by Foretony (talk | contribs) (→‎2/25/13)
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2/4/13

Goals:

number feedthrough on S3
install S2 onto A-frame
make protective covers for S5


Installed S2 onto A-Frame along with stringing rail and Magnet.

Half of the feed-throughs were numbered

Finished top cover for S5, crimp pin covers will be worked on tomorrow


2/5/13

Goals:

Finish numbering feed-throughs on S3
finish constructing crimp pin covers and window cover
Install "new" stringing machine on S2
re-string 5 bent wires from S5

2/6/13

Goal:

pot S3 wires
begin wire wrapping S6

2/7/13

Goal:

finish potting S5
continue wire wrapping S6

2/11/13

Goal:

remove S5 from clean room
Level A-frame
Install S3 pre-tensioners

2/12/13

Goals:

Finish installing pre-tensioners on S3
mount S3 onto A-frame
Continue wire wrapping S6
Clean the Clean room to prepare for stringing (vacuum shavings from hoist, clean all wall surfaces, clean A-Frames and DC strong-backs, lifts, both white tables, ladders, computer keyboard)

2/19/13

Goals:

Change discriminator threshold to -20 mV from -60 mV and start a new run.
Begin stringing S2


Dropped 25 guard wires to row 20 on S2 SL2

S1,S5,S6 on upper level

S2 on left and S3 on right A-frames

StatusPicS2S3onAframe 2-16-13.jpgStatusPicS156onAframe 2-16-13.jpg

2/20/13

Tasks:

Dion: out sick

David: STB board on sector 6, wire wrap S5, re0install covers

Debbie: bottom stringing S2

Haitham: Top stringing S2

Carlos: Solder boards, HV burn in training.

Moved HV octopus to S6

Color code

Yellow = Sense

Green= Ground

Black & Blue = Field

Red = Guard

2/21/13

Dion: sick day

David: Burn in S6 in the morning, Begin Stringing S3 Guard with Debbie in the afternoon

Debbie: String S2 in the morning, HV burn in S6 in the afternoon

Haitham: String Guard on S2

Carlo: HV burn in & signal search S6

2/25/13

Dion: String S3 with David

David: Stringing S3 Guard

Debbie: String S2 in the morning, HV burn in S6 in the afternoon

Haitham: String Guard on S2

Carlo: HV burn in & signal search S6


CLAS12_R1_Progress_Reports#January_2013
Sector 6 - Serial Numbers on STB & HVB
Top Endplate Bottom Endplate
Board # (nose=1, tail=7) SL1 (STB) SL2 (HVB) SL1 (HVB) SL2 (STB)
1 G1202270 ? ? K1202516
2 G1202266 ? ? J1202341
3 G1202273 ? ? J1202339
4 G1202275 ? ? K1201716
5 G1202271 ? ? K1201717
6 G1202274 ? ? K1201719
7 G1202272 ? ? K1202346