vernon.sandberg@LIGO.ORG - posted 10:50, Wednesday 19 October 2016 (30657)
Work Permit Summary for 2016 October 18
| Work Permit | Date | Description | alog/status |
| 6258.html | 2016-10-18 10:10 | Reconfigure DAQ to rename the old commissioning frame as the new full/raw frame. Stop writing the smaller old science frames. Reconfigure NDS to serve these renamed frames. Co-ordinate with LDAS on archival. | 30623, 30637 |
| 6257.html | 2016-10-18 08:52 | Perform scheduled maintenance to scroll compressor #3, #4, #5 @ Y-End vent/purge-air supply skid. Maintenance activity will require for the compressors to run for brief periods of time. Lock-out/tag-out power to skid. | 30631 |
| 6256.html | 2016-10-18 08:28 | Update software on timing RF Counter/Comparator with release 5 which disables 4 internal LED's. | 30625 |
| 6255.html | 2016-10-17 15:59 | Activity: (see also WP #6221) Start and run rotating pumps while baking RGA using variac-limited flexible heaters. | 30630 |
| 6254.html | 2016-10-17 15:36 | Pick empty BSC ISI storage container with load cell attached to obtain accurate weight of the container. (This work is in support of 3rd IFO efforts.) | 30632 |
| 6253.html | 2016-10-17 14:17 | Place HWS cameras (LVEA & EX) on temporary power supplies, same configuration as EY. Will need laser hazard at EX and LVEA. ECR 1500251 FRS 4559 | 30644 |
| 6252.html | 2016-10-17 13:54 | Update the DMT calibration code to gstllal-calibration 1.0.6. This release contains a few bug fixes based on testing from this week's lock stretches for the coherence gating for the kappa calculations. | 30626 |
| 6251.html | 2016-10-17 12:07 | Upgrade all front end models and all DAQ systems to RCG 3.2 Will require restarts of all models and of the DAQ. During the upgrade no front end data will be recorded (EDCU will be ran to trend VAC). Est. front end down time about 1 hour. | 30609, 30637 |
| 6250.html | 2016-10-17 11:19 | Investigate glitches revealed by Omicron. Complete routine maintenance- diagnosing and tuning OFS, etc. May include blocking Pcal beam for extended periods to diagnose source of glitches. | 30548 |
| 6249.html | 2016-10-17 09:05 | Install two thermocouples inside cyropump #3 exhaust pipe and connect to existing CDS PV signals: HO:VAC-MY_CP3_TE202A_DISCHARGE_TEMP_DEGC & HO:VAC-MY_CP3_TE202B_DISCHARGE_TEMP_DEGC. This will require removing the exhaust check valve. |
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=30662 |
| 6248.html | 2016-10-17 08:57 | Investigate and repair broken readback on some RF amps, AMP18M, AMP24M1, and DIV40M. | 30633 |
| 6247.html | 2016-10-17 08:57 | Pull power and network cable for RGA in corner station. Work will consist of climbing over HAM4 and pulling around BSC2 and BSC3. | 30635 |
| 6246.html | 2016-10-17 08:55 | Investigate and repair H1:ISC-RF_C_DIV40M_POWEROK 40Mhz divider readback. | 30633 |
| 6245.html | 2016-10-13 13:51 | Turn off cdswiki to clone its hard drive and move the server to a newer hardware due to system failures | |
| Previous Work Permits | |||
| 6237.html | 2016-10-10 15:43 | Remove the Solaris QFS/NFS server h1ldasgw2. This was installed in the summer to NFS export frames to the NDS servers. It has served corrupted frames, so we will return to the previous configuration. | 30637 |