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ID Date Author Type Category Subject Text   8970   Tue Aug 6 10:06:29 2013 Steve Update VAC Pumpdown is at 500Torr  The pumpdown has started at 8:38am Manasa was here to confirm good alignment of the IFO      8973   Tue Aug 6 16:45:31 2013 Steve Update VAC Pumpdown is completed  IFO  P1=1mT PSL shutter is opened        8976   Wed Aug 7 10:51:49 2013 Steve Update VAC Pumpdown at 26hrs  Cold cathode gauge CC1 -h (horizontal) just coming on 9.2e-5 Torr P2 is the fore line pressure of the      8978   Wed Aug 7 15:36:29 2013 Steve Update VAC TP2 drypump replaced    TP2's fore line - dry pump replaced at performance level 600 mTorr after      8984   Thu Aug 8 07:57:23 2013 Steve Update VAC pumpdown at 48 hrs                                8985   Thu Aug 8 10:31:28 2013 Steve Update VAC few reminders of this vent  1, Vacuum envelope grounds must be connected all times!  After door removal reconnect both cables immediately.      9011   Wed Aug 14 08:24:20 2013 Steve Update VAC pumpdown at day 8          9017   Fri Aug 16 09:35:18 2013 Steve Update VAC Vacuum Normal state recognition is back                                9029   Mon Aug 19 11:12:54 2013 Steve Update VAC RGA scan at day 13          9084   Wed Aug 28 11:23:41 2013 Steve Update VAC crane repair sheduled                                9085   Wed Aug 28 15:41:42 2013 Steve Update VAC RGA scan at day 23  Valve configuration: Vacuum Normal pd76-m-d23        9111   Thu Sep 5 10:47:58 2013 Steve Update VAC vertex crane folding issue    [Fred Goldbar, Mike Gerfen, Dennis Coyne and Steve]      9115   Fri Sep 6 09:27:10 2013 Steve Update VAC 31 days after pumpdown                                9117   Mon Sep 9 15:33:06 2013 Steve Update VAC vertex crane repair is scheduled                                9119   Tue Sep 10 09:18:22 2013 Steve Update VAC dry pump is getting loud    TP3 foreline's dry pump is getting noisier and noisier.  Turbo      9120   Tue Sep 10 15:43:01 2013 Steve Update VAC TP3' dry pump is replaced                                9129   Mon Sep 16 10:57:11 2013 Steve Update VAC RGA scan at day 41                                9139   Wed Sep 18 14:57:12 2013 Steve Update VAC vertex crane folding arm removed  The folding beam removed as shown. Two man supporting it while I hammering it out. Pin was dry and it gulled into supporting      9146   Fri Sep 20 16:37:30 2013 Steve Update VAC vertex crane folding arm is back on                                9173   Mon Sep 30 08:53:22 2013 Steve Update VAC vertex crane repair schedule has changed                                9185   Wed Oct 2 14:25:39 2013 Steve Update VAC vertex crane is still out of order   The smoke alarms were turned off and surrounding areas were covered with plastic.      9223   Wed Oct 9 11:48:10 2013 Steve Update VAC RGA scan at day 65    Valve configuration: Vacuum Normal      9359   Thu Nov 7 11:19:04 2013 Steve Update VAC crane work POSTPONED to Monday                                9372   Wed Nov 13 08:46:03 2013 Steve Update VAC vertex crane repair completed                                9424   Fri Nov 22 16:32:08 2013 Steve Update VAC RGA scan at day 108                                9467   Fri Dec 13 16:34:20 2013 Steve Update VAC PS will be replaced next week                                9506   Fri Dec 20 20:04:01 2013 Steve Update VAC power supply replaced with a short vent                                9508   Fri Dec 20 23:00:41 2013 Koji Update VAC power supply replaced with a short vent I'm leaving the 40m now. IFO is aligned. Everything look good.      9510   Sat Dec 21 10:53:35 2013 Steve Update VAC power supply replaced with a short vent-pumpdown completed The recovery- pumpdown reached valve configuration  vacuum normal at 20 hours, cc1 7.7e-6 Torr      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.       9516   Fri Jan 3 11:18:41 2014 Steve Summary VAC power supply replaced with a short vent                                9550   Mon Jan 13 16:50:55 2014 Steve Update VAC Maglev controller needs service                                9562   Tue Jan 21 17:26:59 2014 Jenne Summary VAC Rebooted RGA computer and reset RGA settings [Jenne, Steve] Steve noticed that the RGA was not logging data and that not all the correct      9565   Wed Jan 22 15:24:11 2014 Steve Summary VAC Rga scan after reboot                                9570   Thu Jan 23 08:04:04 2014 Steve Update VAC vacuum control screen is blank   There is       9571   Thu Jan 23 13:23:10 2014 Steve Update VAC 40m IFO is at atmosphere                                9576   Mon Jan 27 09:08:00 2014 Steve Update VAC 4 days at atmosphere          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      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                                9604   Wed Feb 5 19:36:50 2014 Steve Update VAC pumpdown at 25 Torr                                9605   Wed Feb 5 19:53:51 2014 Steve Update VAC pumpdown stops for the day at 14 Torr          9607   Thu Feb 6 11:14:07 2014 Steve Update VAC pumpdown completed  Pumpdown completed. IR shutter opened at P1 1 mTorr  The block is still in the beam path.      9615   Mon Feb 10 09:45:53 2014 Steve Update VAC vacuum normal is reached        9622   Tue Feb 11 10:44:15 2014 Steve Update VAC RGA scan at day 6          9644   Tue Feb 18 10:38:55 2014 Steve Update VAC RGA scan at day 13  All normal.        9703   Fri Mar 7 16:13:03 2014 Steve Update VAC pumping speed is recovered                                9723   Wed Mar 12 08:40:42 2014 Steve Update VAC RGA scan at day 35          9745   Mon Mar 24 10:41:46 2014 Steve Update VAC RGA scan at day 50

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