Virgo Logbook

The shift was dedicated to maintenance started at 6:00UTC, the main work of this morning was the replacement of WE UPS device; the switch off operations started at about 6:15UTC and they completed at around 8:00UTC; the UPS replacement completed at around 11:35UTC (#67178, #67178, #67182, #67181), now the equipments switch on restarted and it is ongoing; here a list of others activity reported to the control room:

- standard vacuum refill from 6:00UTC to 10:00UTC (VAC Team);
- cleaning of central building (Ciardelli with external firm: from 6:00UTC to 10:00UTC);
- DET: OMC Lock in single bounce configuration from 7:42UTC to 7:48UTC;
          OMC scan in single bounce configuration from 7:52UTC to 8:13UTC;
- TCS: chiller check and refill (Ciardelli, 9:25UTC);
          thermal camera reference 8:30UTC;
          power checks 9:35UTC:
                 CH        IN        OUT
          WI   0.305   0.042   0.499
          NI    0.665   0.025   0.289

west end recovering ongoing.

Sub-system reports

SBE
SWEB control loops opened at 6:06UTC.

SUSP
WE suspension control loops opened at 6:10UTC.