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ID Date Author Type Category Subject Text   2814   Tue Apr 20 09:15:15 2010 steve Summary SAFETY annual safety audit        2815   Tue Apr 20 10:55:10 2010 steve Bureaucracy SAFETY Kevin Kuns received safety training The 40m's new undergrad Kevin Kuns was introduced to 40m safety hazards. He is new and needs guidance as specially with 2W laser      2831   Thu Apr 22 09:03:54 2010 steve Omnistructure PEM aircondition can not be turned off Koji and I wanted to turn off the IFO-room AC so the wind would not blow on MC1-3. We could not. The switches were probably bypassed      2842   Mon Apr 26 11:13:28 2010 steve Omnistructure PEM AC on/off is working                                2919   Wed May 12 09:16:29 2010 steve Update Green Locking Reflection from ETM and ITM !    Now I know why Rana was wearing his bright green pants yesterday. It is nice      2930   Fri May 14 08:18:46 2010 steve Update Green Locking Reflection from ETM and ITM ! I stopped AWG  1 Hz drive to ITMYs. ITMXe was also driven or oscillating. ITMXe damping was off, so I turned it on. It did      2939   Mon May 17 10:57:16 2010 steve Configuration SUS damping restored to ETMYs ETMY-south sus damping was restored      2943   Tue May 18 11:54:29 2010 steve Configuration SAFETY psl mechanical shutter is not working As we learned yesterday, the PSL laser power out put mechanical shutter is not working in the remote mode. It only works in local      2947   Tue May 18 15:09:02 2010 steve Configuration SAFETY PSL output shutter in order again                                2965   Fri May 21 08:28:29 2010 steve Configuration VAC TP3 turned off                                2970   Fri May 21 16:37:35 2010 steve Configuration VAC tp3's drypump replaced Bob replaced the tipseal in an other drypump and I swapped it in. TP3 turbo is running again, it's foreline pressure is 40 mTorr.      2972   Mon May 24 07:53:57 2010 steve Configuration PEM air cond. just turned ON IFO room temp 27.5C , Please remember to turn AC back on !      3024   Tue Jun 1 11:47:14 2010 steve Update PEM lead balls on concrete                                3025   Tue Jun 1 15:51:42 2010 steve Update PEM foam box for good thermal stability This box was made  to provide good thermal stability for seismometer calibration. There is an inner solid shell of 0.064"      3033   Wed Jun 2 07:54:55 2010 steve Update MOPA laser headtemp is up Is the cooling line clogged? The chiller temp is 21C See 1 and 20 days plots      3037   Wed Jun 2 18:09:32 2010 steve Update PEM seismometers off of linoleum floor Steve for Nancy, Seismometer interface box ac power was turned off, Guralps disconnected and      3039   Wed Jun 2 21:21:43 2010 steve Update PEM seismometers off of linoleum floor      3058   Wed Jun 9 10:31:13 2010 steve Update SAFETY safety training Nancy and Sharmila received introductory early bird surf safety training for the 40m lab.      3108   Wed Jun 23 17:48:16 2010 steve Update MOPA laser head temp The laser chiller temp is fluctuating and the power output is decreasing. See 120 days plot.      3130   Tue Jun 29 08:41:06 2010 steve Update MOPA MOPA is dead I found the laser dead this morning. The crane people are here to unjam it.      3150   Wed Jun 30 18:16:55 2010 steve Update SAFETY SURF safety training 2010 40m SURFs Razib Obaid, Nancy Aggarwal, Unknown Bearded SMURF, Megan      3152   Thu Jul 1 10:26:34 2010 steve Configuration VAC pd68 at vacuum normal state Slow pump down _pd68 has reached the vacuum normal state.  CC4_Rga region is pumped now. The RGA is still off.      3192   Mon Jul 12 10:23:51 2010 steve Update PEM air condition maintenance is today The AC filters will be checked and/or replaced today. This means the AC will be off for sort periods of time. Temperature and particle      3202   Tue Jul 13 10:02:30 2010 steve Update MOPA laser power is dropping slowly I have just removed an other 400 cc of water from the chiller.  I have been doing this since the HTEMP started fluctuating.      3248   Tue Jul 20 08:04:31 2010 steve Configuration VAC slow vent has started The PSL shutter was closed. The beam path  blocked two places. High voltage power supplies to IOO and OMC PZT were checked to be off.      3266   Thu Jul 22 08:07:27 2010 steve Update VAC vent finished                    3272   Fri Jul 23 08:15:59 2010 steve Update PSL ref cavity ion pump The ref cavity ion pump was running at 7.7kV instead of 5kV This Digitel SPC-1 20 l/s ion pump      3277   Fri Jul 23 15:32:02 2010 steve Update PEM control room AC set point changed The control room temp is warmer than usual. The heat exchanger Office Pro 18 set point was lowered from 70 to 68F yesterday.      3279   Fri Jul 23 16:00:35 2010 steve Update SAFETY crane load test tomorrow All 3 cranes will be load tested at 1 ton tomorrow morning between 9am and 2pm Do not come to the 40m lab during      3288   Mon Jul 26 08:51:31 2010 steve Update PEM lowering AC setpoint by 2F makes PSL happy                    3297   Tue Jul 27 11:43:24 2010 steve Update PEM air quality is bad today The lab is at 30,000 and Pasadena air is at 1.1 e+6 particles /cf min of 0.5 micron.      3311   Wed Jul 28 14:54:56 2010 steve Update SAFETY evacuation drill at the 40m Head count at the evacuation drill today. I checked  alarms and flashers  at room 104,102,101, 103, 105 and 107. They      3331   Fri Jul 30 09:55:34 2010 steve Configuration VAC slow pumpdown has started Bob and Steve closed BS chamber with the help of the manual Genie lift and the pump down started. The PSL shutter was closed      3333   Fri Jul 30 14:53:09 2010 steve Update General PSL table leg upgrade                                3336   Fri Jul 30 17:54:55 2010 steve HowTo VAC How to stop and start slow pumpdown                                3347   Mon Aug 2 10:26:15 2010 steve Configuration VAC very slow pumpdown completed                                3371   Fri Aug 6 08:09:15 2010 steve Update PSL PSL preparation work                                3394   Tue Aug 10 17:21:48 2010 steve Update General PSL optical table is at 30" height Mike Gerfen, Koji and Steve,   Our old ( 6 x 10 x 1 ) ft Newport      3404   Thu Aug 12 10:56:31 2010 steve Update Environment dusty floor work in progres I powered down 1Y1 and 1Y2 instrument racks of MC and RF-systems this morning. Both racks, SP table, clean tools-parts      3410   Thu Aug 12 16:18:46 2010 steve Update Environment tiles and adhesive removed                                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.      3430   Tue Aug 17 14:09:15 2010 steve Update PEM PSL optical table schedule Tuesday, 17 August : fill tunnel, set table height, level table and balance load Wednesday : grout tripod legs and      3435   Wed Aug 18 16:42:14 2010 steve Update PEM PSL optical table legs load balanced    Rana, Koji, Alberto and Steve, Tuesday afternoon      3444   Thu Aug 19 16:03:59 2010 steve Update PEM grouting of PSL tripod legs The 10' x 6' optical table is seating on 6 tripods. Each tripod leg has 3 feet. They are supported by jack screws against copper      3448   Fri Aug 20 15:49:14 2010 steve Update PEM grouting is done The preparation for pouring concrete is continuing. The grout forms were removed. Half inch ribbed steel bars were epoxied      3449   Fri Aug 20 16:17:35 2010 steve Update PEM PEM-count channels are not working C1: PEM-count channels are dead since August 12, 2010      3455   Mon Aug 23 08:28:27 2010 steve Update SUS ETMY sus damping restored        3462   Tue Aug 24 11:23:32 2010 steve Update PEM tripod leg installation completed Bertine Robby, Bertin and Jerry completed the installation by pouring concrete yesterday and cleaning up today.  7x    3472   Wed Aug 25 16:13:32 2010 steve Summary PEM PSL optical table is back into operation at 32.75" level The tile work was done yesterday after noon. This morning Mike Gerfen and me lowered      3477   Fri Aug 27 11:27:33 2010 steve Update PEM crane safety document I posted the crane safety document on the 40m wiki, vacuum page as 26 August 2010 Please add your comments and corrections.

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