Reports until 16:33, Tuesday 26 August 2025
H1 General (DetChar)
anthony.sanchez@LIGO.ORG - posted 16:33, Tuesday 26 August 2025 (86591)
Tuesday Ops Maintenance Day Report

TITLE: 08/26 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 152Mpc
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY:
We tried to run an Initial_ Alignment but SRC aligning didn't work because the New Whitening Chassis or cable that was installed had an issue.
NLN @ 21:14:27 UTC
Back to Observing by 21:20:06 UTC

21:52 UTC Tyler started pushing his rocks around with the tractor over at the far end of the Staging building.
22:50 UTC Tyler's tractor work has lost traction with the commissioning crew and there will be no more tractoring rocks around while locked.

LOG:                                                                                                                                                                                                                                  

Start Time System Name Location Lazer_Haz Task Time End
15:03 FAC Erik EY No Changeing Presure release valve 15:38
15:04 FAC Randy LVEA N Forklifing from LSB to OSB 15:46
15:06 VAC Jordan HAM Shaq N Gauge work in FTCE 19:06
15:10 wFAC Chris EY N Filter Checks 16:20
15:14 FAC Kim & Nellie LVEA N Technical Cleaning. 17:44
15:16 VAC Travis & Janos Mid Y -> Mid X N Getting tools from Mid Y then heading to Mid X 23:26
15:17   Richard LVEA N Measure Viewport Simulator 15:26
15:22 FAC Tyler & Beaver Bark Staging Bld N Dumping rocks from a Dump truck, & Moving gravel with tractor 17:20
15:27 FAC Randy & Mitchel LVEA N Working on Clean room 15:46
15:31 EE Fil LVEA HAM 6&7 N SUS & IOC rack cable racks 18:56
15:33 3IFO Tyler LVEA & ES N 3 IFO checks 16:03
15:37 LN2 NORCO Both Mid X&Y no Liquid Nitrogen refill 17:30
15:45 SPI Jeff Optics lab N Dropping off parts 15:46
15:45 SUS Rahul End Station N SUS Charge measurements. 18:26
15:51 FAC Randy LVEA N Cleaning off Emod in West bay 17:51
15:52 EE Marc LVEA N Helping Fil with IOC & SUS racks 18:56
16:21 VAC Jordan , Gerardo, Anna, Mitchel HAM Shaq N FTCE Gauge work & a lil Craning, Mitchel Out early 19:08
16:32 FAC McCarthy LVEA N Joining Randy 16:50
16:53 FAC Chris End & Mids X&Y N Checking phones 16:08
17:05 FAC Eric HAM Shaq N Planning a 120V Electrical Run 17:24
17:20 PEM SAM LVEA + Y Arm N Checking accelerometers. 17:33
17:24 ISC Keita LVEA ISC Racks N Checking Cable Lengths at eh ISC racks 18:56
17:25 FAC Nellie EY N Technical Cleaning 18:52
17:29 FAC Kim EX N Technical Cleanin 18:52
17:47 FAC Eric EY N Moving an extension cord 18:08
17:53 SEI Jim LVEA HAM1 N HAM1 SEI Injections 18:58
18:17 FAC Richard LVEA Input arm N measuring the distance from the floor to Ceiling 18:45
18:17 PEM TJ HEPI Mezz N Setting up Dust Mon 19:08
19:56 ISC Daniel LVEA N Checking whitening chass for AS_C issues 20:21
20:14 ASC Daniel LVEA N Swapping ASC Whitening chassis 20:21