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  40m Log, Page 325 of 327  Not logged in ELOG logo
ID Date Author Type Category Subjectdown Text Attachments
  14029   Thu Jun 28 10:28:27 2018 ranaUpdateCDS vacuum pneumatic N2 pressurewe disabled logging the N2 Pressure to
a text file, since it was filling up disk
space. Now it just sends an email to our
  
  11695   Fri Oct 16 18:27:52 2015 SteveUpdateVAC vacuum normal conditionVacuum normal configuration with VM1-closed,
VM2-open valve positions. Power load normal
24V 0.2A
 oct16Fpm2015.png 
  9514   Thu Jan 2 10:50:24 2014 SteveUpdateVAC vacuum monitor is still blank The date is correct on this monitor.
Last stored RGA scan data Dec 20,
2013
 Help.pngvacation.png20131220lastRGAscan.png 
  9515   Thu Jan 2 13:35:06 2014 KojiUpdateVAC vacuum monitor is still blankWe probably need to restart the machine,
but I didn't want to touch c1vac1 and c1vac2. 
  
  9581   Tue Jan 28 11:13:50 2014 KojiUpdateVAC vacuum monitor is still blank[Steve Koji]
We
pushed the reset button of c1vac1 and c1vac2
  
  12209   Tue Jun 21 14:12:10 2016 SteveUpdatePEM vacuum envelope wipedI wiped down the cranes with wet towel
and Mario our janitor did the chamber tops
with the tubes.
 60dPEM.png 
  9582   Tue Jan 28 16:26:40 2014 SteveUpdateVAC vacuum computers are back without safety

    

       
            
 c1vac1_vac2areback.png 
  9599   Wed Feb 5 08:14:59 2014 SteveUpdateVAC vacuum computers are back without safety

    

       
            
  
  8356   Tue Mar 26 16:36:24 2013 SteveUpdate40m Upgrading table leveling mounts go here

    

       
            
 optabSTAND.PDFswivvelMountEE.jpg 
  8372   Fri Mar 29 16:30:27 2013 SteveUpdate40m Upgrading table leveling mounts go here

    

       
            
  
  9257   Tue Oct 22 10:12:33 2013 SteveUpdatePEM south arm AC intake duct checked  The 4th week of no wet mopping
of the floor  and no wet wiping 
the vacuum envelope.
 PEM0.5micron60d.pngsouthArmIntakeNorth.jpgSouthArmMidIntakeWipe.jpg 
  2701   Tue Mar 23 10:11:13 2010 steveUpdatePEM small air cond unit failed yesterdayOld 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
 20datm.jpg 
  14299   Fri Nov 16 10:26:12 2018 SteveUpdateVAC single viton O-ringsThe 40m vacuum envelope has one large single
O-ring on the OOC west side. All other doors
have double O-ring with annuloses.
 Single-O-ring.png 
  4350   Thu Feb 24 16:47:26 2011 steveConfigurationPSL shutter is back on the PSL outputUniblitz mechanical shutter was placed
into the beam path of the PSL output with
razor beam trap. The output power was 1.39W
 P1070441.JPG 
  14199   Tue Sep 18 14:02:37 2018 SteveUpdatesafety safety trainingYuki Miyazaki received 40m specific basic
safety training.

 
  
  7434   Mon Sep 24 17:47:05 2012 SteveUpdateVAC ready to pump  The IFO will be at atmosphere 
overnight. The annuloses are pumped
down. The access connector jam nuts are tightened
  
  9980   Wed May 21 09:35:33 2014 SteveUpdateSUS razor beam dumps ETMX_ISCT

    

       
            
 9rbdETMY.jpg 
  12626   Fri Nov 18 15:10:06 2016 SteveUpdateGeneral projector shipped out for repairVivitek D952HD sn2160130 was send out for
warranty repair. It's hard to believe
that it has a 5 year warranty...... RMA -
  
  11915   Wed Jan 6 10:58:03 2016 SteveUpdateGeneral projector light bulb is outProjector light bulb ordered




  
  12596   Thu Nov 3 12:40:10 2016 gautamUpdateGeneral projector light bulb is outThe projector failed just now with a pretty
loud 'pop' sound - I've never
been present when the lamp goes out, so I
  
  7595   Tue Oct 23 09:37:33 2012 SteveUpdateSUS passive TT adjustment correction

    

       
            
 IMG_1745.JPG 
  9374   Wed Nov 13 11:30:07 2013 SteveUpdatePEM particle counter MOVEDParticle counter moved from the top of IOOC
to the east wall
 Met1Moved.JPG 
  9254   Fri Oct 18 15:18:49 2013 SteveUpdatePEM particle count peak or ...Sunday evening fireworks. Manasa heard
it.
 PEMcount?.pngPemCountPeak?No.png 
  9952   Wed May 14 10:04:06 2014 SteveSummarySUS oplev laser and temperature ETMX oplev qpd gain has to be increased.
 
 TempRules.png 
  6323   Mon Feb 27 14:35:22 2012 steveUpdateSUS oplev YAW transfer functions The BS and the PRM have 3.3 Hz resonant
gain filters that kill the phase margins.
 
 oplYAWtransf.pdf 
  6309   Thu Feb 23 10:53:54 2012 steveUpdateSUS 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.
 oplPITtrans.pdf 
  974   Fri Sep 19 11:48:14 2008 steveUpdateComputers old hubs can make one happyJoseph finds a XIX century bottle neck hub:
CentreCOM 3624TR 10Base-T 
and happily replaces it with Netgear GS724T
 P1020934.jpg 
  3422   Fri Aug 13 18:32:48 2010 steveUpdatePEM new legs attached to optical tableKoji, Rana and Steve
 
The floor preparation continued today.
 P1060612.JPGP1060626.JPGP1060631.JPGP1060636.JPG 
  8822   Wed Jul 10 14:49:00 2013 SteveUpdateGreen Locking more fiber protective tubing layed

    

       
            
 fibreETMXprotectedendOnly.jpg 
  3505   Wed Sep 1 10:54:15 2010 steveUpdatePEM more crane balancing Crane balancing at the south end is continuing
today.
  
  3288   Mon Jul 26 08:51:31 2010 steveUpdatePEM lowering AC setpoint by 2F makes PSL happy

    
        
 htempRTemp.jpg 
  3745   Wed Oct 20 16:41:41 2010 steveOmnistructureGeneral laser chiller leaving for MIT   P1060929.JPG 
  12227   Wed Jun 29 14:32:22 2016 SteveUpdateSUS how to remove epoxy from optics 

Hi Steve -
  
  12231   Thu Jun 30 10:03:16 2016 SteveUpdateSUS how to remove epoxy from opticsProposed Acetone soak dish for SOS epoxy
softening.

It has good acces through 5"
 SOSsoakDish.jpgSOSsoakDish_tv.jpg 
  12241   Tue Jul 5 09:25:31 2016 SteveUpdateSUS how to remove epoxy from opticsGlass soaking dish with teflon guides.




 SOSsoakingDish.jpgSOSsoakingD.jpg 
  9643   Tue Feb 18 10:10:07 2014 SteveUpdatePEM floor cleaning under racks

    

       
            
  
  9689   Tue Mar 4 17:07:27 2014 SteveUpdatePEM floor cleaning under racks

    

       
            
  
  9623   Tue Feb 11 16:49:36 2014 SteveUpdatePEM floor cleaning Keven, Steve
 
The floor was cleaned under the east
  
  7999   Tue Feb 5 09:08:11 2013 SteveUpdatePEM exterier doors to be painted

    

       
            
 IMG_0055.JPG 
  12930   Thu Apr 6 15:35:44 2017 SteveUpdatePEM envioirmental noiseBuilding:        
Central Engineering Services

     
  
  3591   Mon Sep 20 17:10:10 2010 steveConfigurationPSL 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"
  
  14294   Wed Nov 14 14:35:38 2018 SteveUpdateALARM emergency calling list for 40m Lab It is posted at the 40m
wiki with Gautam' help. Printed copies
posted around doors also.
  
  9098   Tue Sep 3 14:23:21 2013 SteveUpdatePEM earthquakes ~Vancuver, Canada earthquakes: magnitude
6,  5  and more shaking
 
 EQm6&5.png 
  11932   Thu Jan 14 13:44:05 2016 SteveUpdateSUS earthquake 3.6M No obvious sign of damage.

 
 3.6M_JohannesburgCA.pngETMX_3.6_M.png 
  11975   Thu Feb 4 10:14:52 2016 SteveUpdateSUS earthquake 3.5M  

 
 EQ3.5m_Simmier.Ca.png 
  3404   Thu Aug 12 10:56:31 2010 steveUpdateEnvironment dusty floor work in progresI powered down 1Y1 and 1Y2 instrument racks
of MC and RF-systems this morning.
Both racks, SP table, clean tools-parts
  
  12656   Fri Dec 2 10:57:08 2016 steveUpdatePEM door seal replacedThe south end door leaky weather seals
replaced.

The aim is here to get some overpressure
 1_year_PEM.png 
  12020   Fri Mar 4 11:07:10 2016 SteveUpdatesafety crane inspection completes 2016 safey auditAll 3 cranes inspected by professional
and load tested with 450 lbs at max reach.

 
 craneInsp2016.jpg 
  13630   Mon Feb 12 14:56:00 2018 SteveUpdatesafety crane inspection 2018Our 3 cranes passed  professional 
inspection. Fred Goodbar of Konacrane with
450 lbs load at full extension.
 ETMY.jpgVetex.jpgETMX.jpg 
  12868   Mon Mar 6 09:12:59 2017 SteveUpdatesafety crane inspection 2017All 3 cranes inspected by professional
Fred Goodbar of Konecranes and load tested
with 450 lbs at max reach on Friday, March
 inspection_2017.jpg 
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