201302 R1ProgressRep

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

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:Solder HV boards

2/26/13

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

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

HV Burn-in Log
Date	Time (24h)	HV Board ID	Guard (V)	Field (V)	Sense (V)	Current (micro Amps)
02/24/13	14:00	S6 SL2 HVB1	525	-700	700	2.2
02/24/13	14:20	S6 SL2 HVB1	525	-700	1400	8.3
02/24/13	14:24	S6 SL2 HVB1	525	-700	1400	5.145
02/24/13	14:27	S6 SL2 HVB1	500	-500	500
02/24/13	14:28	S6 SL2 HVB1	500	-500	700	0
02/24/13	14:41	S6 SL2 HVB1	525	-525	525

CLAS12_R1_Progress_Reports#January_2013