Attached are plots of dust counts > .3 microns and > .5 microns in particles per cubic foot from approximately 6 PM Dec. 10 to 6 PM Dec. 11. Also attached are plots of the modes to show when they were running/acquiring data.

HughR, HugoP,

Installed the TMDs on HAM2-ISI.
Corner 1: TMD S/N 16
Corner 2: TMD S/N 17
Corner 3: TMD S/N 18

We also started payloading the ISI. We bolted a mass stack of 200lbs (4x50lbs) to account for the absence of PR3. 34lbs are still needed on that stack to achieve PR3's mass. We might do it with wall masses as it is easier to secure them to the ISI.

Attached are plots of dust counts > .3 microns and > .5 microns in particles per cubic foot from approximately 6 PM Dec. 7 to 6 PM Dec. 9. Also attached are plots of the modes to show when they were running/acquiring data.

During the day it was noticed that the two wall clocks in the control room would reset themselves, either by showing all dashes, or by showing all eights. By late afternoon we noticed that the UTC time was one second in th future while the local time agreed with the front panel of the NTP server. We power cycled the NTP server and then soft reset the UTC clock and all systems now agree with each other.

The cause of the glitching is still not clear, please email me if you notice any clock problems.

MX rack rebuild. WP#3600

We powered down the foundry rack in the MX mid station to relocate it. We also installed new fiber optics cables and replaced some of the ethernet cables. The MX vacuum and FMCS channels were unavailable during this downtime, which was from 11:00am to 12:18pm local time.

H1DAQ h1ldasgw0 upgrade to Sol11. WP#3601

The primary LDAS QFS gateway machine for the H1 DAQ was upgraded to solaris 11.0 by Dan this afternoon. There were no frames written by h1fw0 between the times

For data between these times,  please use h1nds1 instead of h1nds0.

EPICS Gateway reboot.

After the reconnection of MX, the EPICS gateways would not reconnect and would periodically freeze. The cdsegw0 machine's console was showing multiple CPU lock-out errors, and I could not restart the machine from the console or ssh login. So I had to reset the computer using the front panel switch. It had been running for more than 365 days and performed a disk system check.

I then restarted all the gateways except any related to the H2 system. This means that the H2DAQ does not have access to any IOC outside of the H2 FE LAN, i.e. no vacuum or fmcs data. After 3 hours of running we are not seeing any processor creep on the gateways, normally they consume increasing cpu time after running for a while. Perhaps the reduced processor loading has fixed this problem.

Attached are plots of dust counts > .3 microns and > .5 microns in particles per cubic foot from approximately 6 PM Dec. 6 to 6 PM Dec. 7. Also attached are plots of the modes to show when they were running/acquiring data.

Closed the O-ring valves and the gate valves @ the turbos overnight, pumping will continue tomorrow morning.

• UniFirst, Praxair, Paradise water onsite
• Y arm was swept
• Kyle working on crane by BSC2 and 3
• Dave and Jim working on network at MX
• Kyle pumping down BSC1 for oplev testing
• Thomas at BSC1 working on oplevs

After Mark posted the MC1 and MC3 plots today (

http://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=4888), I went in and immediately found the offenders - all 4 of the horribly trapped blade tip stops on the intermediate mass were touching.  I sepent some time trying to free them to no avail and decided to come find Cheryl before proceeding and likely misaligning various targets around the HAM2 table.  We agreed that I will disassemble the top 3 BOSEMs and flag mounts to free up the screws in the morning.  IO will then need to realign MC1 and we'll re-run TFs.  An inspection of the same MC3 screws showed they were not touching the blades although were not all necessarily at the spec 0.75mm gap setting (hence the clean TFs there).

The AC unit in the H1 diode room has been cycling off an on about every 50 minutes resulting in a 5 degree temperature swing in the room, from 70 F to 65 F. This may be due to the system being underloaded, and the minimum amount of cooling the unit can supply is pushing the room to 65 F before it turns back off. This unit ties into the AC units in the H1 electronics room, half of which happened to be off. Yesterday Richard brought them back up, and this appears to have created enough of a load on the system to keep the diode room a little more stable, but it still is experiencing temperature swings.

The vacuum brush was retrieved from clean and bake this morning so that first vacuum could begin. First vacuum was completed and the floor replaced. Wipe down was started.

Two cleanings of the chamber and cleanroom took place this morning. The garbing/staging cleanroom was removed from the e-module and placed near HAM9. The door was removed from the chamber this afternoon and the g/s cleanroom re-located to the west side of the chamber cleanroom.

The CDI (contamination/dust investigation) kit arrived today. As required by procedure E1201096-v3, a couple of items were taken to clean and bake. They should be ready tomorrow morning.

Travis, Betsy

Today, we removed the stays which were blocking access to the needed BS BOSEM tablecloth adjustments.  We then reset all of the OLV OSEMINF settings (burt snap good for the hour following this entry, or see attached snapshots).  The filtering still needs some work apparently.

The side BOSEM measured quite low so was swapped out with S/N 438.

All BOSEMs were set to 50% OLV.

Mark B.

(This work was mostly done Friday 12/7 but I wanted to check a few things before posting.) 

After the M3UL OSEM was sorted out (see 4840), I went on to get all the matrices and settings checked out and the damping working. I ran prepare.m to be sure all the filters were loaded. I entered all the M1/M2/M3 OSEM2EUL and EUL2OSEM values from the output of make_sushlts_projections.m. I set SENSALIGN and DRIVEALIGN to the identity matrix. I set the signs in M1 COILOUTF to give +ve sensor response for +ve offset. The final values were -1, -1, +1, +1, -1, +1. This agrees with the settings previously used on the triples test stand but differs in SD from E1100109-v2. I set the signs in M2 and M3 COILOUTF per E1100109-v2. I found by trial and error a set of damping gains that gave stable damping, but these can probably be improved: -0.5, -2, -1, -0.02, -0.01, -0.04.

This report is for yesterday, 12/10/2012.

Justin reported that all the dust monitors in the LVEA were suddenly reading INVALID. I looked at the IOC running on h0epics2 and it was reporting errors. Restarting the IOC did not fix the problem. I went out and power cycled the Comtrol in the LVEA. Restarting the IOC again after this brought them back.

There will be gaps in time for this day that can not be trended, due to the values being set to NAN when the code was restarted. Plots in dataviewer for the counts will have to use times that do not include these gaps.

Kyle 
Opened GV1 (12/10/2012) 

Kyle, Gerardo 
Opened 2.5" and 1.5" metal angle valves on BSC3 dome -> Began pumping the combined volumes of the YBM and the Vertex (minus HAM1, 2 and 3).

The South East corner of BSC 9 had the HEPI housing installed incorrectly causing the foot to have insufficient clearance around several points. The bolts had been over-torqued and/or the tapped holes had chips and one bolt galled. A sawzall was used to chop through the bolt, and then a drill was used to remove the rest. After retapping the hole ~75% of the threads remained, which should be sufficient for only a 45ft-lb torque. Additional holes had to be drilled and tapped to allow the clamps to be used with the new housing position. The housing was reinstalled and the support tube should be within a couple thousandths of where it was originally sited in.

The HAM cleanroom was moved over HAM9 yesterday in preparation for an incursion. The cleaning crew will try to get cleanings done so that the door can be removed today. A garbing staging cleanroom will be moved into place ASAP. Robert, Cheryl and I are tentatively planning on an inspection tomorrow.

Mark B.

Starting DTT TFs on MC1 and MC3, in parallel.

The dust monitor at location 8 in the LVEA, labeled S, gave a calibration warning and was turned off. This was in the small clean room between HAM 2 and 3 with the auxiliary optics. Today I removed the dust monitor at location 1 in the end Y VEA labeled L and replaced S with it.