ibrahim.abouelfettouh@LIGO.ORG - posted 16:29, Tuesday 14 July 2026 (91031)
OPS Day Shift Summary
TITLE: 07/14 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY:
IFO is in IDLE for MAINTENANCE
Very productive day. Here's what happened:
- EPO IPA + Other Tours
- PSL Chiller Swap - Done - alog 91022
- HAM7 ZM5 Work - Done - alog 91027
- Various CDS Work:
- h1susb2h34 20bit-DAC fix - alog 91026
- work station swap - alog 91018
- NUC22 maintenance - the two screens are down and Erik and Tony are fixing them
- DAQD Dolphin with Ethernet Upgrade - alog 91022
- Interlock Work (to add JAC, SPI, CHETA) and upgrade. This work is going longer than expected because of some backwards compatibility and version issues. Should be done later today or tomorrow.
- Seismometer work at BSC2
- Craning scissor lift at LVEA
- HEPI BSC1,2,3 HEPI unlocked and HAM3 Z Loop Instability investigation - alog 91020, alog 91024
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 15:34 | VAC | Travis | LVEA | N | Resume pumpdown | 16:20 |
| 15:44 | FAC | Christina | Recieving | N | Forklifting some palettes | 18:43 |
| 15:46 | EE | Fil | LVEA | N | Working on adding JAC , SPI, and Cheta to LASER interlock | 00:31 |
| 15:50 | CDS | Jonathan | Remote | N | NDS & FrameWriter restarts | 20:12 |
| 15:53 | PEM | Ryan C | LVEA | N | Restarting Dust monitors | 16:07 |
| 16:00 | PSL | Ryan S, Jason | LVEA | Local | PSL Chiller Swap | 17:00 |
| 16:18 | FAC | Christina | Ends, Mids | N | Supply photos | 17:41 |
| 16:19 | FAC | Tyler | LVEA, Ends | N | Getting parts | 16:19 |
| 16:20 | SUS | Ryan C, Rahul | LVEA | N | HAM7 work | 18:19 |
| 16:29 | PEM | Shrey, Miranda, Carlos | LVEA | N | Seismometer work\\ | 17:28 |
| 17:22 | EPO | Mike (+ tour) | LVEA | ~ | Tours | 17:53 |
| 17:52 | SEI | Jim | LVEA | N | Unlocking HEPI | 18:05 |
| 18:14 | SEI | Jim | LVEA | N | Unlocking BSCs HEPI | 20:04 |
| 18:27 | PEM | Shrey, Carlos, Miranda | LVEA | N | 18:27 | |
| 18:33 | SUS | RyanC | CR | N | ZM5 intial health check TF | 18:59 |
| 19:13 | FAC | Randy, Erik | LVEA | N | West Bay scissor lift craning to High Bay | 19:55 |
| 20:05 | PEM | Carlos, Shrey, Miranda | LVEA | N | Seismometer checks | 21:49 |
| 20:05 | VAC | Travis | LVEA | N | Checking on pumps | 23:12 |
| 20:10 | CDS | Dave | CER | N | Turning off AI chassis | 20:22 |
| 20:16 | SUS | Ryan C | LVEA | N | HAM7 Work PSAMs Cable | 20:17 |
| 20:26 | SUS | Rahul | LVEA | N | HAM7 Work | 21:17 |
| 21:51 | TCS | Madi | Optics lab | N | Measuring Focal length of optics with eye safe laser. | 23:51 |
| 21:51 | Safety | Richard | LVEA | N | Helping Fil | 22:10 |
| 23:26 | FAC | Richard | LVEA | N | Checking on Fil | 00:26 |