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Reports until 07:43, Wednesday 31 July 2024
H1 General
anthony.sanchez@LIGO.ORG - posted 07:43, Wednesday 31 July 2024 (79376)
Wednesday Morning Ops Shift Start

TITLE: 07/31 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Corrective Maintenance
OUTGOING OPERATOR: Oli
CURRENT ENVIRONMENT:
    SEI_ENV state: MAINTENANCE
    Wind: 10mph Gusts, 6mph 5min avg
    Primary useism: 0.01 μm/s
    Secondary useism: 0.07 μm/s
QUICK SUMMARY:
H1 is still down for maintenance:
Expected LVEA work today as descriped in the LHO  HAM5 V1 Document ES400260: 

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

 

Before closeout
Robert in-chamber pictures
Finish testing Fast Shutter, trigger HV
See HAM6 closeout checklist
Rebal OFI
Reinstall OFI Glass shroud
Check AS and WFS, Viewport simulator to check beams coming out
Unlock ISI
Unlock retest SUS/SEI
HAM5 closeout FIRST CONTACT ON SRM 1” WITNESS OPTIC, RH READER


Opportunistic Tasks during vent and pump down work (see Betsy for coordination after July 29th:

ZnSe Window install(s) - would need to vent manifold section(s)
HAM8 in-vac cable troubleshooting
HAM2 SEI controls tune-up



 

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