TITLE: 04/20 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Commissioning
CURRENT ENVIRONMENT:
SEI_ENV state: CALM
Wind: 9mph Gusts, 5mph 5min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.17 μm/s
QUICK SUMMARY: H1 just unlocked after 7 hours as I walked into the Control Room, will start invesitgating the cause. Holding in DOWN to run PRM measurements. BRSY is ON.
It would appear that unloading of the forklift at EY this morning was the cause of the lockloss (see attached plot; time cursor centered on the lockloss).