TITLE: 07/19 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Corrective Maintenance
SHIFT SUMMARY:
16:25 UTC HA:M4 and HAM7 ISI are Isolated.
HAM 7 Tripp. 18:02 UTC
Untripped an SRM watch dog.
Inchamber work started to happen today:
See Camilla's Alog shows that the Fast Shutter has been exposed to high temperatures and colorization.
Camilla and Jenne W. have been working on SQZ QPD centering. Seems like SQZr team now has light on their PDs again and will return on monday to continue their work.
HAM7 inchamber crew (TJ and Kieta) came out of chamber after installing the AUX laser but have not turned it on.
Gerardo is going into the LVEA to close up the HAM entries with temporary covers to minimize contamination.
Atomic clock failed again, Daniel is currently addressing that issue.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 14:45 | RUN | Teachers | Y-arm | N | Teachers from LEXC running the arms. | 15:45 |
| 15:15 | VAC | Gerardo | LVEA | N | Purge air Skid & Dew point inspection | 15:37 |
| 15:45 | FAC | Karen & Kim | LVEA HAM5,6,7 | N | Technical Cleaning | 16:58 |
| 15:59 | Surf | Oli, Milly, Sabi | EY, MY, MX , EX | N | Plant Biology study | 18:13 |
| 16:01 | VAC | Gerardo | LVEA HAM7 | N | Preping HAM7 gate valve port work | 16:12 |
| 17:02 | SAFE | TJ | LVEA | Yes | Transitioning to LASER HAZARD & working on OFI | 17:37 |
| 17:09 | SAFE | LASER HAZARD | LVEA | YES | LVEA IS LASER HAZARD | 03:49 |
| 17:16 | VAC | Travis | LVEA | yes | Checking pumps | 17:27 |
| 17:34 | OFI | Betsy | LVEA HAM 6&7 | Yes | Working on OFI | 19:33 |
| 17:49 | PCAL | Francisco | PCAL Lab | Yes | Swapping the LHO PS4_PS5 Spheres for a measurement | 18:02 |
| 18:01 | SAFE | Richard | LVEA HAM 6&7 | Yes | Checking on OFI crew . | 18:14 |
| 18:02 | VAC | gerardo | LVEA | Yes | Checking VAC status in the LVEA | 18:15 |
| 19:09 | TOUR | Amber +5 | LVEA | YES | Tour into the LASER HAZARD LVEAwith teachers | 19:45 |
| 19:33 | OFI | Keita | Optics Lab | N | Wroking on OFI issue | 19:33 |
| 20:38 | OFI | TJ, Keita | Optics Lab & LVEA | Yes | Working on burnt OFI issues | 23:17 |
| 20:59 | SQZ | Camilla & Jenne, Naoki | SQZT7 & HAM5 | Yes | Working on SQZ beam alignment | 23:25 |
| 21:37 | OFI | Betsy | LVEA | Yes | Working on OFI issues. | 22:22 |
| 22:39 | Shutter | Betsy | Mx | N | Looking for fast shutter parts | 23:09 |
| 23:26 | VAC | Gerardo | LVEA | Yes | Putting covers over the HAM entrances and openings. | 23:56 |