anthony.sanchez@LIGO.ORG - posted 16:58, Wednesday 31 July 2024 (79391)
Wednesday Ops Shift End
TITLE: 07/31 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Corrective Maintenance
SHIFT SUMMARY:
I know that there have been a lot of Laser trasitions done today...
But
The LVEA IS currently in LASER SAFE.
OFI work has continued all day :
- ✅Measure Isolation - new simpler plan suggestion from LLO (cube between SRM and OFI…) Backup - Need Aux laser in HAM6 as LLO#58791, 58848
- If out of spec, adjust TGG crystal location (slots in mount)
- ✅ Inspect/deal with beam dumps if not done already
- ✅Squeeze beam alignment Check, AS and WFS
- ✅Check OFI rejected PD path alog59906 KPT fwd rejected (use WP before OFI)
Before closeout
- ✅ Robert in-chamber pictures
- ✅Finish testing Fast Shutter, trigger HV
- See HAM6 closeout checklist
- ✅ Correct OFI osem magnet(s)
- ✅ Rebalance OFI
- Reinstall OFI Glass shroud
- ✅ Re Check AS and WFS (Not checking WFS)
- ✅ Turn on laser for final alignment check
- ✅ Remove all retro reflector, iris and AUX laser parts
- Unlock ISI ( Jim is unlocking HAM5 but not HAM6)
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 17:22 | SAF | Laser HAZARD | LVEA | YES | LVEA is Laser HAZARD | 20:01 |
| 14:32 | FAC | Eric | FTCE | No | Working on Air Handler | 14:52 |
| 15:03 | FAC | Kim & Karen | LVEA | LASER Hazard | Technical Cleaning Kim out first | 15:53 |
| 15:16 | VAC | Gerardo | LVEA | yes | Dew Point measurements. | 15:26 |
| 15:29 | OFI | Sheila & Betsy | LVEA | Yes | Isolation ratio measurements, Betsy out first | 19:30 |
| 15:49 | PCAL | Francisco | PCAL Lab | Yes | PCAL PS45 measurement | 16:49 |
| 15:55 | OFI | Camilla, Keita | Optics lab & LVEA | Yes | Getting parts and helping the HAM5,6 crew | 19:16 |
| 16:10 | PEM | Robert, Milly, Carlos | End X | N | Testing PEM equipment | 20:01 |
| 16:18 | FAC | Karen | Mid Y | N | Dropping off supplies/ technical cleaning. | 17:04 |
| 17:04 | EE | Fil & Richard | LVEA | Yes | Checking on HAM5 | 17:04 |
| 17:47 | VAC | Gerardo | Relay tube | Yes | Relay tube valve open | 17:48 |
| 18:52 | EPO | Amber +10 | Ctrl Rm & Overpass | n | Tour | 18:52 |
| 19:29 | SAF | Oli & Ibrihim | LVEA | Yes | LASER Transition to safe. | 19:54 |
| 20:01 | OFI | Rahul & Betsy | LVEA | No | SUS OFI work, Rahul out first | 00:19 |
| 20:23 | VAC | Gerardo | LVEA | No | Isolating HAM7 | 21:03 |
| 20:28 | Staff Tour | Jenne + 15 | LVEA | No | Checking out the HAM5 & 6 Chamber. | 21:12 |
| 21:29 | PCAL | Francisco | PCAL Lab | yes | Checking Config | 21:39 |
| 21:59 | SAFE | Sheila | LVEA | Yes | LASER HAZARD Transition | 22:26 |
| 22:06 | OFI | Camilla | LVEA | Yes | Working on OFI with Sheila | 23:45 |
| 22:49 | SAFE | Ryan C. | LVEA | Yes | Laser Transition | 23:19 |
| 23:19 | VAC | Janos | HAM8 | N | Checking Vacuum system | 23:59 |
| 23:36 | SEI | Jim | HAM5 | N | Seismic system checks | 01:36 |
| 23:44 | SAF | LAZER SAFE | LVEA | YES | THE LVEA IS LASER SAFE :) | 22:24 |
| 23:48 | OFI | Richard | LVEA | N | Checking on the Status of OFI crew | 00:48 |