Replacement for Nb#10

Friday, August 25, 2023, 17:15: Roughing.

Friday, August 25, 2023, 17:57: Vacuum taking a while to rough down. Vacuum @ 1.034T. Opened FS#5.

Friday, August 25, 2023, 17:59: Water leak noted. Venting.

Friday, August 25, 2023, 18:27: The left HS waterline was not tight. Chamber is cleaned out & wiped down.

Friday, August 25, 2023, 18:28: Roughing. Purge on RP1

Friday, August 25, 2023, 19:00: Open closed ballast repeatedly on RP1 to purge excess moisture.

Friday, August 25, 2023, 19:05: FS#5 open. No effect on vacuum. Vacuum @ 2.228T & dropping. Power / sources on.

Friday, August 25, 2023, 19:18: Quick bypass check with "IG1 on". Tapped up TGHT / TBHT to 5 A each, & down again. 500 V on & off the BIAS. ok. Bypass removed. Vacuum @ 1.222T. Will remote start TP later. Allow vacuum to stabilize. Otherwise ready for remote operation.

Friday, August 25, 2023, 23:14: Vacuum @ 0.135T. TP1B on. 

Friday, August 25, 2023, 23:20: TP1B at speed. CG1 @ 0.165 T - Allow to stabilize. 

Friday, August 25, 2023, 23:26: CG1 @ 0.091 T. TP1A on.

Friday, August 25, 2023, 23:36: TP1A Tripped. Reset & restart. TP1B off.

Saturday, August 26, 2023, 00:02: The  TSG:CG1A limit to open needs to be increased from 0.050T to 0.100T. Currently at 0.070T. Unable to restart the TP until it's below the limit. Will wait till morning... Later in the morning.

Saturday, August 26, 2023, 09:19: TP1B switched on. 

Saturday, August 26, 2023, 10:08: TP1A switched on.

Saturday, August 26, 2023, 10:16: TP1 A tripped. Reset right away - CG1A @ 0.048T. 

Saturday, August 26, 2023, 10:17: IG1 on. 

Saturday, August 26, 2023, 16:40: IV4 open.

Saturday, August 26, 2023, 16:41: Optics set. Vacuum @ 5.63e-06T 

Saturday, August 26, 2023, 23:43: Vacuum @ 4.46e-06T. Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per minute. Expecting outgassing however. 

Sunday, August 27, 2023, 09:11: Vacuum @ 5.10e-06T. TGHT / TBHT @ 350 / 150 A. Auto-ramping TGHT to 400 A. 

Sunday, August 27, 2023, 10:44: Abort TGHT @ 383 A. Auto-ramping TGHT / TBHT to 500 / 200 A.

Sunday, August 27, 2023, 19:13: Vacuum @ 5.08e-06T. TGHT / TBHT @ 422 / 189 A. Auto cool TGHT / TBHT to 250 / 100 A @ 4 A per minute.

Sunday, August 27, 2023, 20:06: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min. 

Sunday, August 27, 2023, 22:43: Halt auto-ramp @ 490 / 230 A. 

Sunday, August 27, 2023, 22:50: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. 

Sunday, August 27, 2023, 22:52: Begin mass & wire scans. Manually tap up TGHT to 500 A. Vacuum @ 5.36e-06T 

Sunday, August 27, 2023, 23:04: Manually tap up TGHT to 505 A 

Sunday, August 27, 2023, 23:09: Manually tapped up TGHT to 520 A.

Sunday, August 27, 2023, 23:11: Increase TSH auto-ramp vacuum limit from 5.00e-06T to 6.00e-06T. Auto-ramping TGHT to 580 A @ 3A per min.

Sunday, August 27, 2023, 23:25: TGHT up to 554 A . Vacuum limit reached. Take mass & wire scans.

Sunday, August 27, 2023, 23:59: Peak on Mass 40. Otherwise mostly back round.  

Monday, August 28, 2023, 00:02: Reset TSH auto-ramp vacuum limit to 5.0e-06T. Auto-cooling @ 2A per minute.\

Monday, August 28, 2023, 00:09: HV tapped down to 0 V. 

Monday, August 28, 2023, 06:08: IV4 closed. Sources off. 

Monday, August 28, 2023, 06:09: IG1 & turbo pumps off.

Monday, August 28, 2023, 07:30: Power off. Venting. Purge FS#5.