Reports until 16:30, Tuesday 18 February 2025
LHO General
thomas.shaffer@LIGO.ORG - posted 16:30, Tuesday 18 February 2025 (82890)
Ops Day Shift End

TITLE: 02/19 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Preventive Maintenance
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY: Maintenance day. Notable tasks from today's maintenance are below. We recently had another lock loss, we have started initial alignment and will start main locking shortly.

LOG:

Start Time System Name Location Lazer_Haz Task Time End
19:34 SAF Laser Haz LVEA YES LVEA is laser HAZARD!!! 06:13
15:33 FAC Kim, Nelly Opt Lab n Tech clean 15:57
15:51 VAC Ken EX n Compressor electrical 17:19
15:52 VAC Janos, contractor EX n Compressor work 17:35
15:57 FAC Kim, Nelly EY, EX, FCES n Tech clean 18:40
15:59 FAC Eric Mech room n Heater 3a replacement 17:27
16:58 - Christina, truck VPW n Large truck delivery to VPW 16:59
17:27 CDS Jonathan, Fil, Austin MSR, CER n Move temp switch and camera server 20:10
17:28 VAC Ken EY n Disconnect compressor electrical 19:49
17:35 VAC Travis EX n Compressor work 18:33
17:46 VAC Gerardo, Jordan MY n CP4 check 19:16
17:49 SQZ Sheila, Camilla LVEA YES SQZ table meas. 19:39
17:50 SUS Jason LVEA yes PR3 OpLev alignment 18:04
18:19 SUS Jason, Ryan S LVEA YES PR3 OpLev recentering at VP 21:05
18:19 SUS Matt, TJ CR n ETMX TFs for rubbing 21:21
18:37 FAC Tyler Opt Lab n Check on lab 19:03
18:39 CDS Erik CER n Check on switch 19:16
18:41 FAC Kim LVEA yes Tech clean 19:51
18:56 VAC Travis Opt Lab n Moving around flow bench 19:03
18:58 PEM Robert LVEA yes Check on potential view ports 19:51
19:04 FAC Tyler Mids n Check on 3IFO 19:25
20:21 VAC Gerardo LVEA yes Checking cable length on top of HAM6 20:50
20:27 CDS Fil EY n Updating drawings 22:14
20:46 PEM Robert LVEA yes Viewport checks 21:26
20:51 VAC Janos EX n Mech room work 21:25
21:18 OPS TJ LVEA - Sweep 21:26
21:19 FAC Chris X-arm n Check filters 22:54
22:44 PEM Robert LVEA yes Setup tests 00:06
22:46 SQZ Sheila, Camilla, Matt LVEA yes SQZ meas at racks 00:06
00:19 CDS Dave, Marc EY N Timing card issue fix 01:19