Reports until 13:50, Tuesday 18 March 2025
H1 General
anthony.sanchez@LIGO.ORG - posted 13:50, Tuesday 18 March 2025 (83435)
Mid Shift Maintenance Day Update

TITLE: 03/18 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Preventive Maintenance
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 7mph Gusts, 4mph 3min avg
    Primary useism: 0.02 μm/s
    Secondary useism: 0.24 μm/s
QUICK SUMMARY:

Be careful using the Roll up down between the receiving area and LVEA. It seems to be  in need of maintenance.
SNEWS Test T565015 16:00:15 UTC
HAM7 ISI WD Tripp17:09 UTC
HAM7 CPS Glitch 17:10 UTC
2 Norco trucks went in the Y armdirection from the parking lot.

Mechanical room has fumes in it , doors  have been opened to allow ventilation while Roger Bros

HAM7 CPS glitches 18:03 UTC

Dust alarms have been telling us there is dust.
 

Expected work:
LVEA:
Ham1 Laser Barrier taken down?
Lighting Fixtures above HAM1
Fil HAM1 pulling cables.
Vac roughing pumps & compressor
OMC scans by Elenna


EX:
PCAL ES Beam Mv over by 9am
Laser hazard Camilila & TJ TMS & ALS Return beam
Rahuls OPLEV SUS Charge measurements


EY:
Rahuls OPLEV SUS Charge measurements
Vac EY comp still in progress

CDS:
Dan LDAS maint.
Eric BS camera server testing

 

Still on going:
ITMY CPy adjustments.