ryan.short@LIGO.ORG - posted 16:42, Wednesday 21 May 2025 (84527)
Ops Day Shift Summary
TITLE: 05/21 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY: Busy day today! Arm gate valves are open, all HAM HEPI's are unlocked, and HAM1 continues to pump down. More activities below:
- After h1susb123 crashed (alog84500), all 18-bit DACs were upgraded to 20-bit: alog84508
- PSL PMC/FSS alignment: alog84512
- ALS-X beam profiling: alog84513
- h1sush7 crash and recovery: alog84521
- HAM1 cabling: alog84525
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 14:48 | FAC | Randy, Chris, Eric | LVEA | N | Moving HAM3 cleanroom | 17:22 |
| 14:49 | CDS | Jonathan | CER | N | Power cycling h1susb123 frontend | 14:50 |
| 14:49 | FAC | Richard | LVEA | N | Checks near output arm | 14:59 |
| 15:03 | FAC | Kim, Nellie | LVEA | N | Technical cleaning | 15:18 |
| 15:19 | FAC | Kim, Nellie | MX, MY | N | Technical cleaning | 16:56 |
| 15:24 | AOS | Betsy | LVEA | N | Checking on cleanroom crew | 15:28 |
| 15:57 | VAC | Jordan | LVEA | N | Helping with cleanroom move | 16:29 |
| 16:02 | ISC | Camilla | OptLab | N | Retrieving beam scanner | 16:09 |
| 16:10 | ISC | Camilla, Sheila, Raed | EX | YES | ALS beam profiling | 17:53 |
| 16:16 | IAS | Jason | LVEA | N | Clean up surveying equipment | 16:37 |
| 16:18 | CAL | Tony, RyanC | EY | YES | PCal module maintenance | 19:56 |
| 16:50 | VAC | Travis | LVEA | N | Vacuum checks | 17:22 |
| 16:53 | VAC | Jordan | LVEA | N | Vacuum checks | 17:22 |
| 16:56 | FAC | Kim, Nellie | LVEA | N | Technical cleaning | 17:44 |
| 17:26 | CDS | Fil | OptLab | N | In-vac cable terminating | 20:06 |
| 18:07 | AOS | Betsy | OptLab | N | Joining Fil | 20:05 |
| 18:09 | SUS | Oli | CR | N | SR3 OLTF | 20:36 |
| 18:10 | PSL | RyanS | CR | N | PMC/FSS alignment | 18:44 |
| 18:44 | CAL | TJ | EY | YES | Joining PCal team | 19:46 |
| 19:17 | TCS | Camilla | Optics lab | N | Parts inspect | 19:31 |
| 20:06 | EE | Fil | CER | N | Turning on high voltage | 20:40 |
| 20:25 | SEI | Jim, Mitchell, Randy | EX | N | Wind fence work | 22:13 |
| 20:41 | CDS | Fil | LVEA | N | HAM1 cable tray work | 22:34 |
| 21:07 | VAC | Janos, Travis, Jordan | LVEA | N | Opening arm GVs | 21:52 |
| 21:23 | CAL | Tony | PCalLab | Local | Swapping spheres | 21:32 |
| 22:33 | SEI | Jim | LVEA | N | Unlocking HEPI | 23:15 |
| 22:40 | CDS | Tony | EY | N | Checking a computer | 22:44 |
| 23:01 | ISC | Camilla, TJ | EX | YES | Swapping ALS shutter | Ongoing |