Monday, November 02, 2020, 08:46:

Large Vacuum spike noted 5:30 approx. Tripped TS. On tail end of the Nb#9 conditioning run. HV & heating were completed last week

Monday, November 02, 2020, 08:47: Vacuum @ 2.66e-06T.

Monday, November 02, 2020, 08:50: Closed and purged all the TS waterlines. Vacuum dropped to 1.31e-06T and continues to drop.

Monday, November 02, 2020, 08:59: Vacuum @ 1.05-06T.

Monday, November 02, 2020, 09:00: FS#5 opened. No response on vacuum.

Monday, November 02, 2020, 09:05: Vacuum @ 1.05e-06T.

Monday, November 02, 2020, 09:07: FS#2 opened. No response on vacuum.

Monday, November 02, 2020, 09:12: Vacuum @ 9.98e-07T.

Monday, November 02, 2020, 09:13: Opened FS#3. No response on vacuum.

Monday, November 02, 2020, 09:19: Vacuum @ 9.96e-07T.

Monday, November 02, 2020, 09:21: Opened FS#4. Immediate vacuum spike noticed. 1.69e-06T and climbing.

Monday, November 02, 2020, 09:26: Closed & purged all the waterlines. Vacuum dropped back down to 9.97e-07T.

Monday, November 02, 2020, 09:27: IG1 off. Turbo pumps off.

Tuesday, November 03, 2020, 10:10: Indium gasket on FS#4 checked w/ sniffer / LD w/ He. ok.

Tuesday, November 03, 2020, 10:30: 120 PSI on line FS#4 feed through (A) Center - TBHT. 0.0E-07 atm-cc/sec.

Tuesday, November 03, 2020, 10:45: LD @ 0.0E-07 atm-cc/sec. Purge the line.

Tuesday, November 03, 2020, 10:51: 120 PSI on line FS#4 feed through (B) Sides - TBHT. 0.0E-07 atm-cc/sec.

Tuesday, November 03, 2020, 11:08: LD @ 0.0E-07 atm-cc/sec. Purge the line.

Tuesday, November 03, 2020, 11:12: 120 PSI on line FS#4 feed through (A) Center - TBHT. 0.0E-07 atm-cc/sec.

Tuesday, November 03, 2020, 11:20: Purge lines. Leak not found w/ LD-Sniffer.

Tuesday, November 03, 2020, 11:30: Roughing.

Tuesday, November 03, 2020, 12:24: TP1B on. 

Tuesday, November 03, 2020, 13:04: TP1A & IG1 on. 

Tuesday, November 03, 2020, 14:26: LD: 0.0E-09 atm-cc/sec. Vacuum @ 1.75e-05T

Tuesday, November 03, 2020, 14:26: Open to the chamber. LD: 2.6E-07 atm-cc/sec. Vacuum @ 1.66e-05T.

Tuesday, November 03, 2020, 14:29: Purged FS#4 w/ HPA.

Tuesday, November 03, 2020, 14:33: LD: 2.5E-07 atm-cc/sec. Vacuum @ 1.59e-05T.

Tuesday, November 03, 2020, 14:38: Connect 120 PSI on line FS#4 feed through (A) Center - TBHT. LD: 2.3E-07 atm-cc/sec. Vacuum @ 1.59e-05T.

Tuesday, November 03, 2020, 14:58: LD: 2.1E-07 atm-cc/sec. Vacuum @ 1.40e-05T. Purge line.

Tuesday, November 03, 2020, 15:02: Connect 120 PSI on line FS#4 feed through (B) Sides - TBHT. 2.2E-07 atm-cc/sec. Vacuum @ 1.31e-05T.

Tuesday, November 03, 2020, 15:22: LD: 2.7E-07 atm-cc/sec. Vacuum @ 1.24e-05T. Purge line.

Tuesday, November 03, 2020, 15:27: Disconnected LD. Disconnected HE. Purged FS#4 w/ HPA. Test again in the morning. FS#4 - B appears to be the source of the leak.

Wednesday, November 04, 2020, 08:35: LD: 0.0E-09 atm-cc/sec. Vacuum @ 2.40e-06T

Wednesday, November 04, 2020, 08:37: Open to the chamber. LD: 1.8E-08 atm-cc/sec. Vacuum @ 2.40e-06T.

Wednesday, November 04, 2020, 08:41: Connect 120 PSI on line FS#4 feed through (A) Center - TBHT. LD: 1.4E-08 atm-cc/sec. Vacuum @ 2.40e-06T.

Wednesday, November 04, 2020, 08:46: LD: 1.4E-08 atm-cc/sec. Vacuum @ 2.40e-06T.

Wednesday, November 04, 2020, 08:51: Connect 120 PSI on line FS#4 feed through (B) Sides - TBHT. 1.5E-08 atm-cc/sec. Vacuum @ 2.40e-06T.

Wednesday, November 04, 2020, 09:01: LD: 3.0E-08 atm-cc/sec. Vacuum @ 2.31e-06T.

Wednesday, November 04, 2020, 09:07: Disconnected LD. Flushed lines w/ HPA. Vacuum @ 2.31e-06T.

Wednesday, November 04, 2020, 09:10: Open FS#2 & FS#3. Vacuum @ 2.33e-06T. Ok.

Wednesday, November 04, 2020, 09:11: Opened FS#4. Vacuum @ 2.42e-06T.

Wednesday, November 04, 2020, 09:18: Vacuum @ 2.42e-06T.

Wednesday, November 04, 2020, 09:19: IG1 & turbo pumps off. Purge waterlines.

Wednesday, November 04, 2020, 10:28: Venting.

Opened / inspected water block (B) and the line. ok. Swap out O-rings w/ new ones w/ vacuum grease.

Wednesday, November 04, 2020, 12:06: Roughing.

Wednesday, November 04, 2020, 12:57: TP1B on. 

Wednesday, November 04, 2020, 13:06: TP1A on. 

Wednesday, November 04, 2020, 13:16: IG1 on. 

Wednesday, November 04, 2020, 15:54: Vacuum @ 4.37e-06T.

Wednesday, November 04, 2020, 15:56: Opened FS#2 & FS#3. Vacuum @ 4.29e-06T. OK.

Wednesday, November 04, 2020, 15:59: Opened FS#4. Vacuum @ 4.29e-06T.

Wednesday, November 04, 2020, 16:12:  Vacuum @ 4.02e-06T & dropping.

Friday, November 06, 2020, 06:02: Vacuum @ 1.34e-06T ok. IG1 off. Turbo pumps off.