Reports until 16:30, Tuesday 29 July 2025
H1 General
ryan.crouch@LIGO.ORG - posted 16:30, Tuesday 29 July 2025 (86052)
OPS Tuesday day shift summary

TITLE: 07/29 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Corrective Maintenance
INCOMING OPERATOR: Ryan S
SHIFT SUMMARY: A 6.6 from Tonga held up locking a little bit, then we held in DOWN again at the end of the shift to swap a DAC card for TMSX.
LOG:

Start Time System Name Location Lazer_Haz Task Time End
21:06 SAF LVEA IS LASER HAZARD LVEA Y LVEA IS LASER HAZARD 15:28
14:42 FAC CBEX Survey crew MidY N Surveying 18:32
15:02 VAC Gerardo, Jordan FCES N Cabling 18:25
15:02 FAC Kim EndX N Tech clean 16:11
15:03 FAC Nellie EndY N Tech clean 15:43
15:07 CDS Erik MSR -> EX N EndX dolphin work, EX to SAFE 16:25
15:00 EE Ken LVEA Y -> N EE work at HAM1, in and out. 18:15
15:14 OPS TJ LVEA Y -< HAZARD TRANSITION to SAFE 15:28
15:14 SQZ Camilla LVEA Y -> N Plug in a cable at SQZT7, table work 18:15
15:25 FAC Chris Endy N FAMIS filter checks 17:11
15:28 SQZ Sheila LVEA N Join Camilla at SQZT7 18:53
15:36 FAC Mitch, Randy LVEA N Craning, Nbay to HAM3. Mitch out 17:42 18:18
15:38 FAC Richard LVEA Y -> N Walkthrough in with Ken 15:38
15:41 FAC Eric EndY N Air handler checks/tests 17:15
15:48 VAC/CDS Patrick His office N VAC gauge FCES work 17:10
15:53 FAC Tyler MidY N Join survey crew 18:31
15:55 ISC Betsy LVEA N Grab some parts 16:15
12:30 FAC Tyler Fire water tower N Moving Big Red 13:00
15:59 SEI Jim LVEA N Find Mitch & Randy 17:45
16:02 CDS Jonathon His office N CDS montor restart 16:35
16:04 VAC Tony FCES N Join Gerardo 18:09
16:09 CAL Francisco PCAL lab LOCAL Grab equipment 16:30
16:18 SUS/EE Richard EndX N Coil driver chassis swap for TMSX 16:58
16:30 CAL Francisco EndX N Measurements 18:04
16:31 FAC Nellie, Kim LVEA N Tech clean 17:23
16:41 ISC Keita LVEA N Inventory 17:08
17:00 SUS Oli CR N SR3, PR3 measurements 19:00
17:02 SAF Richard LVEA N Safety checks 17:30
17:12 FAC Chris VAC prep lab N Painting and taping 19:02
17:15 FAC Eric EndX N Airhandler checks 17:47
17:44 SEI Jim EndY N Clean off HEPI pump stand 19:02
17:48 FAC Kim, Nellie FCES N Tech clean 18:11
18:16 VAC Janos, Anna LVEA N VAC checks 18:44
18:16 EPO Camilla+ LVEA N Tour 18:53
18:18 EPO Mike, Amber + KNDU-TV LVEA N Filming, Interview 19:22
18:36 SQZ Sheila LVEA N SQZT7 table work 19:29
18:48 ISC Betsy LVEA N Take a picture of the new platform 18:54
18:53 SQZ Camilla LVEA N Join Sheila 19:29
19:08 EE McCarthy LVEA HAM1 N Checking on Ken's lighting 19:39
19:37 OPS Tony LVEA N Sweep 19:48
21:13 ISC Betsy Optics lab N Parts 21:13
22:56 CDS Dave, Erik EndX N Swap TMSX DAC card 23:10
23:01 CAL Tony, Fransisco EndX N Plug in BNC, check PCAL 23:25

The work completed this morning includes but is not limited to: