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ID Date Author Type Category Subject Text   14294   Wed Nov 14 14:35:38 2018 Steve Update ALARM emergency calling list for 40m Lab It is posted at the 40m wiki with Gautam' help. Printed copies posted around doors also.      3591   Mon Sep 20 17:10:10 2010 steve Configuration PSL enclosure beam guides to IFO are installed The PSL out  2" OD beam guide tube was cut  1.5" shorter to 13.5" The 10" OD  0.25"      12930   Thu Apr 6 15:35:44 2017 Steve Update PEM envioirmental noise Building:         Central Engineering Services            7999   Tue Feb 5 09:08:11 2013 Steve Update PEM exterier doors to be painted                                9623   Tue Feb 11 16:49:36 2014 Steve Update PEM floor cleaning  Keven, Steve   The floor was cleaned under the east      9643   Tue Feb 18 10:10:07 2014 Steve Update PEM floor cleaning under racks                                9689   Tue Mar 4 17:07:27 2014 Steve Update PEM floor cleaning under racks                                12227   Wed Jun 29 14:32:22 2016 Steve Update SUS how to remove epoxy from optics   Hi Steve -      12231   Thu Jun 30 10:03:16 2016 Steve Update SUS how to remove epoxy from optics Proposed Acetone soak dish for SOS epoxy softening. It has good acces through 5"      12241   Tue Jul 5 09:25:31 2016 Steve Update SUS how to remove epoxy from optics Glass soaking dish with teflon guides.      3745   Wed Oct 20 16:41:41 2010 steve Omnistructure General laser chiller leaving for MIT        3288   Mon Jul 26 08:51:31 2010 steve Update PEM lowering AC setpoint by 2F makes PSL happy                    3505   Wed Sep 1 10:54:15 2010 steve Update PEM more crane balancing Crane balancing at the south end is continuing today.      8822   Wed Jul 10 14:49:00 2013 Steve Update Green Locking more fiber protective tubing layed                                3422   Fri Aug 13 18:32:48 2010 steve Update PEM new legs attached to optical table Koji, Rana and Steve   The floor preparation continued today.      974   Fri Sep 19 11:48:14 2008 steve Update Computers old hubs can make one happy Joseph finds a XIX century bottle neck hub: CentreCOM 3624TR 10Base-T  and happily replaces it with Netgear GS724T      6309   Thu Feb 23 10:53:54 2012 steve Update SUS oplev PIT transfer functions  Oplev transfer functions PIT UGF were optimized to be at 2-3 Hz with 60 degree minimum phase margin by adjuting oplev gains.      6323   Mon Feb 27 14:35:22 2012 steve Update SUS oplev YAW transfer functions  The BS and the PRM have 3.3 Hz resonant gain filters that kill the phase margins.        9952   Wed May 14 10:04:06 2014 Steve Summary SUS oplev laser and temperature  ETMX oplev qpd gain has to be increased.        9254   Fri Oct 18 15:18:49 2013 Steve Update PEM particle count peak or ... Sunday evening fireworks. Manasa heard it.      9374   Wed Nov 13 11:30:07 2013 Steve Update PEM particle counter MOVED Particle counter moved from the top of IOOC to the east wall      7595   Tue Oct 23 09:37:33 2012 Steve Update SUS passive TT adjustment correction                                11915   Wed Jan 6 10:58:03 2016 Steve Update General projector light bulb is out Projector light bulb ordered      12596   Thu Nov 3 12:40:10 2016 gautam Update General projector light bulb is out The projector failed just now with a pretty loud 'pop' sound - I've never been present when the lamp goes out, so I      12626   Fri Nov 18 15:10:06 2016 Steve Update General projector shipped out for repair Vivitek D952HD sn2160130 was send out for warranty repair. It's hard to believe that it has a 5 year warranty...... RMA -      9980   Wed May 21 09:35:33 2014 Steve Update SUS razor beam dumps ETMX_ISCT                                7434   Mon Sep 24 17:47:05 2012 Steve Update VAC ready to pump   The IFO will be at atmosphere  overnight. The annuloses are pumped down. The access connector jam nuts are tightened      14199   Tue Sep 18 14:02:37 2018 Steve Update safety safety training Yuki Miyazaki received 40m specific basic safety training.        4350   Thu Feb 24 16:47:26 2011 steve Configuration PSL shutter is back on the PSL output Uniblitz mechanical shutter was placed into the beam path of the PSL output with razor beam trap. The output power was 1.39W      14299   Fri Nov 16 10:26:12 2018 Steve Update VAC single viton O-rings The 40m vacuum envelope has one large single O-ring on the OOC west side. All other doors have double O-ring with annuloses.      2701   Tue Mar 23 10:11:13 2010 steve Update PEM small air cond unit failed yesterday Old control room air condition failed yesterday around noon. It was blowing 80-85F hot air for about 2-3 hours at racks 1Y4-7 and the      9257   Tue Oct 22 10:12:33 2013 Steve Update PEM south arm AC intake duct checked   The 4th week of no wet mopping of the floor  and no wet wiping  the vacuum envelope.      8356   Tue Mar 26 16:36:24 2013 Steve Update 40m Upgrading table leveling mounts go here                                8372   Fri Mar 29 16:30:27 2013 Steve Update 40m Upgrading table leveling mounts go here                                9582   Tue Jan 28 16:26:40 2014 Steve Update VAC vacuum computers are back without safety                                9599   Wed Feb 5 08:14:59 2014 Steve Update VAC vacuum computers are back without safety                                12209   Tue Jun 21 14:12:10 2016 Steve Update PEM vacuum envelope wiped I wiped down the cranes with wet towel and Mario our janitor did the chamber tops with the tubes.      9514   Thu Jan 2 10:50:24 2014 Steve Update VAC vacuum monitor is still blank  The date is correct on this monitor. Last stored RGA scan data Dec 20, 2013      9515   Thu Jan 2 13:35:06 2014 Koji Update VAC vacuum monitor is still blank We probably need to restart the machine, but I didn't want to touch c1vac1 and c1vac2.       9581   Tue Jan 28 11:13:50 2014 Koji Update VAC vacuum monitor is still blank [Steve Koji] We pushed the reset button of c1vac1 and c1vac2      11695   Fri Oct 16 18:27:52 2015 Steve Update VAC vacuum normal condition Vacuum normal configuration with VM1-closed, VM2-open valve positions. Power load normal 24V 0.2A      14028   Thu Jun 28 08:09:51 2018 Steve Update CDS vacuum pneumatic N2 pressure The fardest I can go back on channel C1: Vac_N2pres is  320 days C1:Vac-CC1_Hornet Presuure gauge      14029   Thu Jun 28 10:28:27 2018 rana Update CDS vacuum pneumatic N2 pressure we disabled logging the N2 Pressure to a text file, since it was filling up disk space. Now it just sends an email to our      1459   Wed Apr 8 09:36:20 2009 steve Configuration VAC valve condition changed to BG to calibrate the RGA Vacuum normal valve condition was changed to accommodate SRS-RGA calibration.      9443   Thu Dec 5 11:06:43 2013 Steve Update Cameras viewport video ccd cameras are all covered                                10076   Thu Jun 19 17:28:19 2014 Steve Update PSL window device is ready for test The window is at the north west corner of the  PSL enclosure. The 1 mm thick BK7 window is AR coated      12346   Thu Jul 28 08:42:36 2016 Steve Update SUS wire clamp The clamp is in the machine for milling off the grooves. It's condition is normal. The edges needs some 800 sand paper so it      12144   Wed Jun 1 15:01:56 2016 Steve Update SUS wire standoffs update There are some issues with 5 mm sapphire prism Atm5. It will cause  interference between one of the prisms and the Side OSEM.      12146   Thu Jun 2 16:35:44 2016 Koji Update SUS wire standoffs update Gap of the prism from the mirror Sag: s = R(1-Cos[ArcSin[d/2/R]]) - Mirror curvature sag for 2mm      12454   Tue Aug 30 15:44:28 2016 Steve Update SUS wire standoffs update 100 Sapphire prisms ordered. Delivery date 9-30-2016

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