aLIGO LHO Logbook

H1 General

ryan.crouch@LIGO.ORG - posted 16:41, Wednesday 09 April 2025 (83835)

OPS Wednesday DAY shift summary

TITLE: 04/09 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY: HAM6 turbo work completed, BSC8 work progressed, and HAM1s passive stack was cleared off, the cabling was removed, and the passive stack's tabletop is on a pallet.
LOG:

Start Time	System	Name	Location	Lazer_Haz	Task	Time End
14:35	FAC	Nelly, Kim	LVEA	n	Tech clean (in at 14:20)	17:58
14:36	FAC	Randy	LVEA	n	Crane over YARM (in at 14:35)	14:49
15:10	VAC	Jordan	LVEA	n	Purge air checks	15:23
16:07	SLiC	Tony, Ibrahim, Sheila, Betsy, Robert	LVEA-BSC8	n	BSC8, ITMY CP	18:38
16:08	ISC	Camilla, Elenna, Oli, Rahul	LVEA-HAM1	n	HAM1 parts removal, Oli & Elenna out 18:30, Camilla 18:48	18:49
16:13	CDS	Fil, Marc, Corey	Opt Lab	n	HAM1 cable prep, corey out @ 1800UTC	19:42
16:24	Property	Christina	Mids	n	Pelican case check	16:44
16:39	SEI	Jim & Mitch	LVEA	N	HEPI actuators disconnect cont	18:44
16:41	VAC	Travis, Melina, Jordan	LVEA	N	HAM6 turbo	19:13
16:42	SPI	Jeff, Josh	Optics lab	N	SPI pickoff install prep	19:01
17:08	IAS	Jason	LVEA	N	FARO temperature troubleshooting	17:47
17:21	OPS	TJ	LVEA	N	Check for tooling	18:31
17:58	OPS	Jennie, Matt+2	LVEA	N	TOur for new fellows	18:20
17:59	FAC	Nelly	MidY	N	Tech clean	18:54
18:24	FAC	Richard	LVEA	N	Safety checks	18:36
18:54	FAC	Nelly	MidX	N	Tech clean	19:27
19:05	SPI	Jeff, Josh	Optics lab	LOCAL	SPI work	19:34
19:38	ISC	Camilla, Rahul	LVEA	N	HAM1 parts removal, Rahul out 20:42	20:54
19:43	ISC	Elenna	LVEA	N	Grab drawing by HAM1	19:47
19:43	ISC	Tj	LVEA	N	HAM1 work, platform stair removal	23:26
19:49	FAC	Randy	LVEA	N	HAM1 work, forklifting	22:00
19:59	CDS	Dave	MidX	N	Wind sensor, midy and ends after for various fixes	20:51
20:09	ISC	Corey	LVEA	N	HAM1 work	23:25
20:11	FAC	Richard	LVEA	N	Checks/Walkthrough, in and out	21:04
20:23	OPS	Oli	LVEA	N	Wrap bag and tag	23:26
20:23	ISC	Mitch, Jim	LVEA	N	HAM1 passive stack, Mitch out 23:20	23:26
20:44	VAC	Jordan, Melina	LVEA	N	HAM6 turbo work	22:33
20:47	EE	Fil, Marc	Optics Lab	Local	Measurements	?
21:02	ISC	Ibrahim, Robert, Sheila	LVEA	N	BSC8 ITMY work	22:28
21:09	ISC	Betsy	LVEA	N	Join BSC8 ITMY crew	22:36
21:24	FAC	Richard	LVEA	N	Steel toe shoe count	22:01
22:13	FAC	Tyler	LVEA	N	CHeck out HAM1 progress	22:28
22:25	FAC	Richard	LVEA	N	Safety checks	22:50
22:29	FAC	Tyler	LVEA	N	Quick check	23:20

JIM/MITCH - HAM1 Offload HEPI Setup, disconnect actuators (continued) DONE
HAM1 - ISC component (continued) (Camilla, Oli, Elenna, Rahul, TJ) DONE alog83836
MID Station forklift - Transport and Load in ISI de/Install fixtures, wipe down, crane into place ?
BSC1 (via BSC8) - CPY work starts - crew to map beams inside at spool (Betsy, Robert, Sheila, Tony) Partially done alog83841
Randy - Remove platforms from HAM1 DONE
HAM1 - Remove all cables form chamber DONE
HAM1 CRANE/FORKLIFT - SEI Stack removal Still in progress
RANDY - Crane 3IFO Flange crate over BT to first stop West Bay for later X-Arm traverse ?
HAM6 VAC - Move turbo from top to back door (continued) DONE alog83840

There were some high dust counts at BSC8 at 21:00 UTC but they cleared up after ~10 minutes, 1270 and 320 for 0.3 and 0.5 particles respectively.
The PSL anteroom had several red alarms of just over 100 counts but this is probably to be expected with the adjacent HAM1 work