Reports until 12:51, Tuesday 15 April 2025
H1 General
anthony.sanchez@LIGO.ORG - posted 12:51, Tuesday 15 April 2025 (83928)
Tuesday Mid Shift Update

TITLE: 04/15 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
CURRENT ENVIRONMENT:
    SEI_ENV state: MAINTENANCE
    Wind: 18mph Gusts, 10mph 3min avg
    Primary useism: 0.03 μm/s
    Secondary useism: 0.24 μm/s
QUICK SUMMARY:

Verbals Ops Remider to sweep the LVEA before relocking. Something tells me we are gonna have a long Tuesday maintenance today and may not get around to the LVEA sweep today. :)

Updates on the Upgrades the Following:
Install an ISI in HAM 1.
SPI in PSL - add ALS pickoff mirror - Update, The PSL team had some HVAC issues  stemming from the poweroutage and were delayed.
VAC - HAM1 Top flange Gauge work table side - GM -- Travis has his hands on the new one and wants to install it..... but there is a flying ISI currently in the LVEA.
 

Norco arrived at exactly 15:00 UTC and drove to the CP2 N2 tank on the +X side of the corner station.

16:00 UTC Test T569591

Second Norco truck arrived 1700 UTC heading Down Y-ARM to Mid Y CP3

18:17 UTC PSL team makes it into the PSL room, after an hour

1 ton taken to dump to offload.

18:45 UTC 2nd Norco truck leaves.

Images attached to this report