Reports until 16:30, Thursday 20 August 2026
H1 General
ryan.crouch@LIGO.ORG - posted 16:30, Thursday 20 August 2026 (91623)
OPS Thursday Day shift summary

TITLE: 08/20 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY: Multiple optics lab dust alarms throughout the day, corner alignment, we did not get to PRMI or DRMI as there was a ALS slow controls issue unlocking XARM. The main Beckhoff computer seems to be having connections issues, a restart is required to fix this, and it will be done tomorrow.
LOG:                                                              

Start Time System Name Location Lazer_Haz Task Time End
15:02 FAC Kim LVEA Y Tech clean 16:06
15:36 TCS Camilla CR N ITMY CO2 blasting 16:36
16:20 VAC Travis LVEA Y Check HAM7 pumpdown 16:29
16:24 PEM Reinhardt LVEA Y PEM checks 18:09
16:41 FAC Kim MidY N Tech clean 17:42
16:44 ISC Betsy Mech room Y Equipment Checks 17:12
16:50 SEI Jim, Mitch Mids N Equipment checks 17:43
16:58 VAC Travis LVEA y Turning off turbo pumps 17:31
17:23 ISC Camilla, Elenna LVEA Y ISCT1 table DIFF beatnote adjustment 17:42
17:42 FAC Kim H2 building N Tech clean 17:53
19:54 ALS Keita EndY N Troubleshoot ALS WFS issue 21:16
19:56 ALS Keita CER Y Grab cds laptop 19:56
20:08 EE Marc, Fil EndY N ALS wfs troubleshooting 21:15
20:58 PEM Reinhardt LVEA Y PEM work cont. (fibers) 21:40
21:17 VAC Travis LVEA Y Finish turning off turbo pumps 21:23
21:33 TCS Camilla Prep lab N CHETA checks 21:50
21:43 SAF Richard Mech room N Reboot access system network switch 21:53
21:48 PEM Robert, Reinhardt Output arm N Shaker injections to tests new fibers 21:59
21:53 PSL Jason MidY then X N Look for old PSL chiller 22:28