ryan.short@LIGO.ORG - posted 23:36, Tuesday 18 August 2026 (91588)
Ops Day Shift Summary
TITLE: 08/18 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY: Were were able to get PRMI locked again today for a bit after more alignment work, and then some commissioning of the BBSS was done after that. The HWS and CO2 systems were worked on and some 3IFO checks were done as well. Dust alarms have been going off most of today in the optics lab. The LVEA remains Laser HAZARD.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 14:54 | FAC | Kim | EX | - | Technical cleaning | 16:21 |
| 15:01 | FAC | Eric | Outbldgs | - | AHU checks | 16:47 |
| 15:52 | PEM | Robert | LVEA | - | Looking at fiber locations | 17:33 |
| 16:01 | VAC | Travis | LVEA | - | Moving pump from HAM1 to HAM6 | 16:30 |
| 16:32 | FAC | Kim | LVEA | - | Technical cleaning | 17:36 |
| 16:34 | PSL | Jason | PSL | Y | Parts search | 16:50 |
| 16:41 | SEI | Jim | CER | - | HAM3 ISI measurement | 18:24 |
| 16:48 | FAC | Chris | LVEA | - | Safety checks | 17:37 |
| 16:53 | TCS | TJ, Camilla | LVEA | Y | Checking HWS and CO2 tables | 19:46 |
| 17:33 | PEM | Robert, Reinhardt | MER/LVEA | - | Running DAS fibers | 00:17 |
| 17:56 | FAC | Kim | FCES | - | Technical cleaning | 18:55 |
| 18:08 | TCS | Jennie | LVEA | Y | Looking for RF source | 18:19 |
| 18:11 | VAC | Travis, Gerardo | LVEA | - | Valve in HAM6 turbopump | 18:24 |
| 18:26 | TCS | Fil | LVEA | - | Troubleshooting CO2 laser | 19:46 |
| 18:47 | AOS | Betsy | LVEA | - | Checks in W-bay | 19:08 |
| 19:34 | FAC | Randy | LVEA | - | Pulling 3IFO ISI container lid | 22:30 |
| 19:48 | SUS | Jason | OptLab | - | Checking oplev lasers | 21:39 |
| 20:08 | VAC | Gerardo | LVEA | - | Starting leak detector on BSC8 | 00:08 |
| 20:14 | AOS | Betsy | LVEA | - | W-bay cleanroom move | 21:25 |
| 20:19 | VAC | Travis | LVEA | - | Leak checking and cleanroom move | 00:17 |
| 20:29 | AOS | TJ | LVEA | - | W-bay cleanroom move | 21:09 |
| 20:56 | SEI | Shoshana, Huyen, Jim | LVEA - H2 PSL | - | CRS cleanup | 22:37 |
| 21:25 | TCS | Camilla, TJ | LVEA | Y | CO2Y troubleshooting | 22:48 |
| 22:11 | EE | Jackie | MER | - | Replacing BHD chassis | 23:12 |