aLIGO LHO Logbook

H1 General

ibrahim.abouelfettouh@LIGO.ORG - posted 16:06, Tuesday 20 February 2024 - last comment - 09:10, Wednesday 21 February 2024(75899)

OPS Day Shift Summary

TITLE: 02/21 Day Shift: 16:00-00:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY:

Primary Ongoing Activities

CDS Work is unfinished (facing some delays that started with the last switch they went to in the mechanical room).
HAM8 Vent is done
SQZT work is ongoing

Control Room Log (02/20) so far..

16:00 SUSEX and ISI to safe states
16:30 Dolphin EX fencing from ctrl rm
- Had to disable long range switch that supports EY, EX so EY no longer communicating with End Station
17:00 UTC ISI EX Stage 1,2 watchdog tripped - CDS Work ongoing
17:00 UTC SEI EX SW watchdog tripped
17:57 UTC HAM8 SEI set to offline (in prep for work)
18:39 -
- Dave, MX
- Fil, Tony, Jonathan, Ryan S, EX
19:28 UTC - Xarm is Done - Moving to FCES after lunch

20:15 Richland bomb squad doing exercises - won’t affect us.
Morning-Noon: Two Tours
20:38 UTC - CDS FCES CDS Work Done
20:40 UTC - CDS EY, MY CDS Work Started
21:14 UTC - SEI Keeping eye on HAM 5,6,7 SEI States per VAC work
21:19 UTC - SEI Restored HAM1-4, BSC2, IY, IX back to “normal” seismic states
22:00 UTC - VAC HAM 8 Vent Complete
22:43 UTC - CDS Y-Arm Work is now Done (and recovered)
22:45 UTC - CDS Now moving onto mechanical room - the last switch of the day
- This did not go as expected and they will need more time for this tomorrow, potentially undoing some work from today (morale seemed high though).

LOG:

Start Time	System	Name	Location	Lazer_Haz	Task	Time End
19:22	SAF	LVEA is Laser HAZARD	LVEA	Yes	LVEA is Laser HAZARD	03:59
16:23	VAC	Gerardo, Jordan	LVEA	Yes	Vacuum Checkup	16:40
16:46	CDS	Fil, Ryan S	EX	N	CDS Work	18:21
16:47	CDS	Tony, Jonathan	EX	N	CDS Work	18:21
16:53	CDS	Erik	Control Rm	N	Dolphin Fencing EX	17:13
17:01	VAC	Jordan, Janos, Gerardo	FCES	N	HAM8 Vent	20:18
17:07	FAC	Karen	EY	N	Technical Cleaning	17:55
17:07	VAC	Kim	EX	N	Technical Cleaning	17:45
17:29	SQZ	Camilla, Vicky	FCES	N	Move SQZT8 Out of the way	18:29
17:44	FAC	Kim	FCES	N	Technical Cleaning	18:44
17:45	SQZ	Nutsinee, Naoki	LVEA	Yes	SQZT Work	20:15
17:55	EE	Marc, Fernando	CER Mezzanine	N	Looking for a temp gun	18:00
18:00	EE	Marc	H2 Building	N	Looking for a temp gun	18:03
18:17	FAC	Chris	FCES	N	Helping tech clean	21:13
18:21	CDS	Tony, Jonathan, Fil, Ryan S, Dave	MX, EX	N	CDS Work	19:28
18:38	SQZ	Daniel	LVEA	Yes	SQZ Work	20:15
18:57	EE	Marc	LVEA	Yes	Checking on activity	19:17
19:23	FARO	Ryan C	LVEA	Yes	Water level check	19:34
19:29	CDS	Tony., Jonathan, Ryan S, Dave	FCES	N	CDS Work	20:37
19:48	CC	RyanC	CER	N	Handheld DM checks	19:51
20:21	VAC	Janos	LVEA	Yes	Tool Pickup	20:28
20:29	SUS	Jim	EX	N	BRS Centering	21:14
20:38	CDS	Tony, Jonathan, Dave	EY, MY	N	CDS Work	22:40
21:01	EE	Marc, Jabari	MY	N	Parts	22:00
21:07	VAC	Jordan, Gerardo, Janos, Travis	FCES	N	HAM8 Vent	22:19
22:08	CDS	Ryan S, Fil	EY	N	CDS Work	22:08
22:20	EE	Fil	FCES	N	Cable Repair	23:16
22:25	VAC	Janos, Gerardo	LVEA	Yes	Tubopump/Vacuum Stuff	00:04
22:42	CDS	Tony, Jonathan, Dave	Mechanical Room	N	CDS Work	23:42
23:12	FARO	Ryan C	LVEA	Yes	Faro prep for tomorrow	23:22
23:17	EE	Fil	LVEA	Yes	Terminating Beckhoff network cables	00:17
23:23	TCS	Ibrahim	Mech Room	N	Check TCS chillers	23:52

Comments related to this report

jonathan.hanks@LIGO.ORG - 09:10, Wednesday 21 February 2024 (75910)

Link

The issue we had with sw-mech-aux appears to be an issue with the fiber.  The fiber run is not capable of reliably running 10G at its current distance.  I replaced the link with a 1G link and it appears to be stable with the new switch.