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.
SBE
SWEB control loops opened at 6:06UTC.
SUSP
WE suspension control loops opened at 6:10UTC.