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ID Date Author Type Category Subject Text   9681   Thu Feb 27 13:11:13 2014 steve Update safety safety audit correction                                9699   Thu Mar 6 11:43:17 2014 steve Update General Guralp control unit CMG-40T handheld controller unit is missing its power supply. In order to zero the instrument one has to apply plus and minus DC voltage.      9704   Fri Mar 7 16:56:17 2014 steve Update IOO IOO qpds centered                                9705   Mon Mar 10 09:28:48 2014 steve Update IOO IOO pointing 2 days  Morning seconds without adjustment.        9725   Thu Mar 13 16:05:48 2014 steve Update safety safety audit 2014                                9730   Mon Mar 17 10:50:58 2014 steve Update safety 2014 annual crane certification                                9743   Fri Mar 21 14:59:44 2014 steve Update PEM controling dust Please take a look at the table top with the flashlight before      9748   Mon Mar 24 22:13:37 2014 steve Update General Power Failure                                9749   Tue Mar 25 14:52:57 2014 steve Update VAC vacuum is recovered  Out gassing plus leak rate   0.15       9757   Fri Mar 28 16:26:20 2014 steve Update VAC RGA scan after power failure                                9802   Fri Apr 11 14:57:53 2014 steve Update LSC congratulation          9870   Mon Apr 28 17:27:29 2014 steve Update safety safety audit 2014                                9873   Tue Apr 29 00:11:03 2014 steve Update safety safety audit 2014 Be aware that this may affect POP QPD and POP RF Thorlabs      9895   Thu May 1 17:14:36 2014 steve Update PSL thin window AR measured CVI broadband AR coating was measured at the PSL-enclosure table around 9-10am today. The 2W Innolight first PBS  S polarization      9900   Fri May 2 08:15:54 2014 steve Update safety safety audit 2014    Late adition: CHECK all viewport covers.      9902   Fri May 2 10:38:29 2014 steve Update PSL thin window AR measured                                9914   Tue May 6 09:46:50 2014 steve Update PEM cleaning day  Keven and Steve, We cleaned around the Vertex chambers, PSL and MC2 floor areas.      9915   Tue May 6 10:22:28 2014 steve Update CDS c1ioo dolphin fiber                                9918   Tue May 6 18:32:14 2014 steve Update LSC TRY 60Hz noise hunt This is an effort to get rid of our ground loops      9921   Wed May 7 14:01:36 2014 steve Update LSC TRY 60Hz noise hunt                                9933   Thu May 8 17:25:17 2014 steve Update LSC TRY 60Hz noise hunt  I worked at the ETMY-ISCT this morning and      9937   Fri May 9 11:23:11 2014 steve Update Green Locking decreased X green light power Green light power decreased from 3 mW to 1 mW at the ETMX-ISCT shutter. More later.      9941   Mon May 12 14:42:25 2014 steve Update endtable upgrade optical table enclosure wall proposal and table at ETMY                                9965   Fri May 16 16:08:12 2014 steve Update LSC Isolating base plates  Electronic components should be ISOLATED as they are installed on the optical tables. This is essential to avoid ground      10007   Mon Jun 9 09:41:06 2014 steve Update safety safety training 2014 surf students Nichin and Akhil received 40m specific basic safety training last week.      10069   Thu Jun 19 10:39:22 2014 steve Update safety surf safety training    Andres Medina and Andrew "Harry" Hall received 40m specific safety training.      10071   Thu Jun 19 14:12:45 2014 steve Update safety optical table scans    PSL, AP, ETMY and ETMX optical tables were scanned for stay beam.      10075   Thu Jun 19 17:11:52 2014 steve Update PEM it is warmer today  The PSL HEPA was running at 30VAC-variac. It is 1 degree C warmer than usual. The HEPA fan motor turned up to 60 V      10081   Fri Jun 20 14:42:57 2014 steve Update SUS vac illuminators turned off        10131   Mon Jul 7 08:13:41 2014 steve Update General yes,there was firework        10350   Fri Aug 8 11:22:35 2014 steve Summary SUS oplev laser summary                     2005                   10362   Mon Aug 11 10:23:39 2014 steve Summary SUS oplev laser summary updated                                10518   Thu Sep 18 10:08:07 2014 steve Summary SUS oplev laser summary updated        10523   Mon Sep 22 10:18:58 2014 steve Update PEM lab temperatures          10560   Thu Oct 2 14:36:52 2014 steve Update PEM oil drops on vertex crane                                10665   Tue Nov 4 10:40:46 2014 steve Update PEM lab temperatures and particle counts          10761   Mon Dec 8 09:03:49 2014 steve Update PEM air cond maintenance tomorrow morning    AC maintenance is scheduled from 8am till 11am tomorrow morning.      10773   Wed Dec 10 14:26:13 2014 steve Update PEM air cond maintenance and particle plot                                11083   Fri Feb 27 10:25:24 2015 steve Update Cameras quad picture problem MUX input 7 to ITMXF camera cable was replaced by temporary cable labeled as 888 The problem remains to be the same      11148   Thu Mar 19 17:11:32 2015 steve Summary SUS oplev laser summary updated            March  19, 2015   2  new  JDSU 1103P, sn P919645 & P919639      11178   Fri Mar 27 10:38:40 2015 steve Update VAC vac rack UPS battery replaced Batteries replaced after 3.5 years with Amstron AP-1250F2,  8x 12V 6Ah      11227   Mon Apr 20 16:42:48 2015 steve Update SUS PRM and BS oplev laser replaced The laser below is dead. JDSU 1103P, SN P845655 lived for 3.5 years.      11792   Fri Nov 20 09:45:39 2015 steve Summary SUS oplev laser summary        12014   Tue Mar 1 09:37:15 2016 steve Update VAC vac rack UPS batteries replaced Amstron batteries replaced after 11 months with SP-12-5.5HR,  2 years warranty from replaceUPSbattery.com      12054   Wed Mar 30 11:35:24 2016 steve Update safety BS visitor's viewport is protected with lexan [quote]The four horizontal viewports of arms are protected  by 3/8" thick, 8.5" OD Lexan disk of MR10      12125   Mon May 23 10:55:49 2016 steve Summary SUS ITMX oplev laser replaced         May 23, 2016                  12126   Mon May 23 15:51:32 2016 steve Summary SUS oplev laser summary updated        12341   Wed Jul 27 11:40:48 2016 steve Summary SUS oplev laser summary updated        12498   Fri Sep 16 14:15:28 2016 steve Update PEM partical counts South end flow bench and both clean room assembly flow benches measured zero counts for 0.3 and 0.5 micron size particales.      12553   Wed Oct 12 15:01:22 2016 steve Update SUS SOS ITM baffles plates are ready The two 40 mm apeture baffles at the ends were replaced by 50 mm one. ITM baffles with 50 mm apeture are baked ready for installation.

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