Dan and I disconnected TM4 in ITE. HS water lines has been purged.

Aurelia Laxdal wrote:

David Wang wrote: I did a 5KV mega test on TM3.  Only5Mohm @5kV between coli line PQ and chassis(ground). It confirmed the close gap between P,Q and GE. Other lines are ok. See attachment. See attachment for sparking signs of the water lines mentioned  above (Coil and Ground Electrode lines) in TM3 Source Tray.

PLEASE NOTE: the resistance values for A and B on David's attachment are not correct since these measurements were done after Chad removed the target and the heat-shield bracket was moved, so consequently the water lines were not at their nominal locations. Once they were back in plac,e David took another measurement and the resistance values for A and B showed also 3,000 MOhm (as it was for most of the lines). The only lines that still showed a low resistance were the Coil lines. 

TM#3 has been moved back to the north east silo.

David Wang wrote:

I did a 5KV mega test on TM3.  Only5Mohm @5kV between coli line PQ and chassis(ground). It confirmed the close gap between P,Q and GE. Other lines are ok. See attachment.

See attachment for sparking signs of the water lines mentioned  above (Coil and Ground Electrode lines) in TM3 Source Tray.

I did a 5KV mega test on TM3.  Only5Mohm @5kV between coli line PQ and chassis(ground). It confirmed the close gap between P,Q and GE. Other lines are ok. See attachment.

Electrical check of TM#3 no target at the south hot cell. see attached for results.

TM#3 has been moved from the NE Silo to the south hot cell.

TM2 has been connected in ITW by Dan.M and David.W. All turbo-pumps have been started. Everything is good so fine.

TM#2 with Ta#48 has been moved from conditioning station to the west target station.

Spent UC#15 has been moved from the south hot cell to the spent target storage. It was placed in pail number 136, and placed in spot C of tray one. It was 14.1mSv/hr upon removal from the south hot cell.

Weekly update the TH schedules. See attachments 1, 2,3.

The TCS and TM2 are still under vacuum without venting

LD base LR: 0.0 X E-9. Base pressure:0.0 X E-4. 70 psi helium. 5 minutes each circuit.

The bigger leak found on MSP before was gone. Leak rate are smaller on all circuits  comparing to before. 

The leak rate on 1 hour total lines test at 70 psi is better also which is 6.6 XE-8 atm.cc/sec this time. 

Disconnected  TM2 at TCS(vacuum system still on). Purged all TM2 water lines for helium pressure test.

TM#1 has been moved from the south hot cell to the north west silo.

TM#1 with  UC#15 has been moved from the west target station to the south hot cell. The target shield plug was also remotely installed as well.

TM#1 with UC#15 was moved back to the west station due to alpha concerns.

TM#1 has been moved from the west target to the south hot cell. The target on TM#1 is UC#15.

 Monday, May 16, 2016, 13:20: BIAS/EL/EE 30 / 15 / 1.5 kV

Monday, May 16, 2016, 13:20: Ramping TGHT / TBHT to 580 / 220 A at 2 A/min. IG2 1E-6 / 2E-6 T

Monday, May 16, 2016, 15:45: Paused ramping.

Monday, May 16, 2016, 15:00: Resumed ramping

Monday, May 16, 2016, 16:23: Stopped ramping for the day. TGHT / TBHT at 310 / 220 A. FC at 6.2E-7 A

Tuesday, May 17, 2016, 08:00: Continue ramping.

Wednesday, May 18, 2016, 09:40: BIAS / EL / EE to 35 / 17.5 1.7 kV

Thursday, May 19, 2016, 04:07: BIAS dropped to 0. Likely caused by a power bump.

Thursday, May 19, 2016, 08:05: BIAS returned to 35 kV. Increased EL to 22 kV to maximize FC current.

Thursday, May 19, 2016, 08:11: TBHT to 230 A

Thursday, May 19, 2016, 08:22: Ramping down TGHT / TBHT

Thursday, May 19, 2016, 10:41: BIAS / EL / EE off

Thursday, May 19, 2016, 14:00: TGHT / TBHT off

Friday, May 20, 2016, 14:39: RGA off.

I let isac opp switched off ITW turbo-pumps. The argon vent valve in electrical room is opened. The ITW argon venting will be started  soon.