Reports until 16:29, Tuesday 27 August 2019
LHO General
patrick.thomas@LIGO.ORG - posted 16:29, Tuesday 27 August 2019 (51556)
Ops Day Shift Summary
TITLE: 08/27 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 118Mpc
INCOMING OPERATOR: Corey
SHIFT SUMMARY:
Lock loss shortly before start of maintenance.
End X HEPI pump tripped, motor may need to be replaced, currently running above nominal.
TCSY laser tripped off, temperature alarm. Cheryl and Betsy turned it back on.
Jeff K. ran through initial alignment.
Only intervention to relock was to lock PRMI.
LOG:

14:38 UTC Lock loss
14:47 UTC Richard to end Y then end X, moving camera equipment
14:58 UTC Chandra and Matt to LVEA to look at viewport
15:02 UTC Jeff B. to end Y, end X, and HEPI mezzanine (dust monitors and HEPI pumps)
15:09 UTC Matt back, viewport cover replaced
15:13 UTC Chris moving snorkel lift, working on gutters near Corey's office
15:14 UTC Karen to end Y
15:19 UTC Cheryl running transfer functions on IM2
15:23 UTC Reuters through gate
15:28 UTC Gerardo to LVEA
15:29 UTC Matt to LVEA to clean up cables
15:31 UTC end X illuminator turned on
15:31 UTC ** end X HEPI pump tripped **
15:33 UTC Filiberto installing network switch in MSR
15:36 UTC Reuters in control room
15:45 UTC Cheryl transitioning LVEA to laser safe
15:56 UTC Marc to LVEA, phase noise measurements
16:00 UTC Cheryl done, LVEA laser safe
16:01 UTC Karen leaving end Y
16:01 UTC Filiberto done
16:01 UTC Richard back
16:03 UTC Filiberto to CER, isolating SUS racks
16:08 UTC Peter to LVEA to look at HAM3
16:09 UTC Richard to CER
16:14 UTC Mike and Reuters to LVEA
16:16 UTC Jim and Jeff B. to end X
16:16 UTC Peter done
16:27 UTC Chandra to LVEA
16:39 UTC Dick to CER
16:56 UTC Mike and Reuters back from LVEA, driving down arm
17:11 UTC ** Verbal alarm: TCSY CO2 laser output off. RTD/IR SENS. ALARM is red. FLOW ALARM is green. Cheryl and Betsy reset it. **
17:12 UTC Gerardo back
17:31 UTC Matt back from LVEA
17:31 UTC Kara to end X
17:34 UTC Matt to high bay
17:40 UTC LN2 delivery
17:41 UTC Jeff to CER
17:50 UTC Matt back
18:12 UTC Kara to electronics bay
18:14 UTC Paradise Water through gate
18:16 UTC Tyler to mid stations
18:20 UTC Christina to end Y, mid X
18:26 UTC end X illuminator off
18:46 UTC Restart of FMCS IOC computer
18:56 UTC Tyler back
18:59 UTC Kyle, Chandra, and Gerardo out of LVEA
19:19 UTC Mike and Reuters done
19:38 UTC Changed observatory mode to corrective maintenance for HEPI pump recovery
20:04 UTC Peter to optics lab
20:15 UTC Jeff B. to cleaning area
20:18 UTC Jeff B. done
20:46 UTC Initial alignment done
21:48 UTC NLN. Commisioning.
22:15 UTC Jeff B. moving equip from OSB receiving to mechanical room
22:29 UTC Jeff B. done
22:37 UTC Observing