vernon.sandberg@LIGO.ORG - posted 10:57, Wednesday 02 November 2016 (31131)
Work Permit Summary for 2016 November 01
| Work Permit | Date | Description | alog/status |
| 6293.html | 2016-11-01 12:28 | Activity: 1. Isolate turbo from RGA volume by closing the 1 1/2" turbo isolation valve. 2. Expose RGA to the X-end volume (with cal-gases isolated) by opening the 2 1/2" RGA isolation valve. 3. Vent turbo via turbo vent valve while monitoring X-end pressure. 4. Remove turbo and install 1 1/2" O-ring valve in its place. 5. Pump to high/rough vacuum the volume between the two series connected 1 1/2" valves. 6. Shut down and decouple pumping components | 31080 |
| 6292.html | 2016-11-01 09:05 | Install chassis in MSR and LVEA Chiller closet. We will power it up and monitor the channels for a while so no functions will be impacted. | 31090 |
| 6291.html | 2016-11-01 08:32 | Recenter BRSY. SC will be turned off. | |
| 6290.html | 2016-11-01 08:30 | Perform scheduled maintenance to scroll compressor #1, #2 @ X-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. | 31085 |
| 6289.html | 2016-10-31 14:32 | The guardian machine has been showing some awgstream errors. It is due a reboot (running 27 days). | 31076 |
| 6288.html | 2016-10-31 14:30 | Activity: see alog 30908, ADC chans showed an offset when h1iscex computer was power cycled but not the IO Chassis. Perform a power cycle of both computer and chassis to see if offset is cleared. | 31071 |
| 6287.html | 2016-10-31 14:27 | Add an extra PEM ADC to the h1oaf0. Shuffle the new ADC with the one used by h1ngn. h1iopoaf0 model change. DAQ restart. | 31075 |
| 6286.html | 2016-10-31 10:13 | Remove Pringles from restored DOFs list of HEPI platforms: Edit guardian parameter file for each platform. Test as needed (not really needed.) | not done |
| 6285.html | 2016-10-31 09:59 | Degas PT170 & PT180 Inficon wide range nude ion gauges, one at a time. | 31089 |
| 6284.html | 2016-10-27 13:28 | Power off the power cart/transformer along the output arm. The Op levers for HAM4 and HAM5 will need to be disconnected. The HWS power supply will also be moved. Op levers will be left powered off. | 31081 |
| 6283.html | 2016-10-27 09:10 | Adding an input offset adjustment to the AC coupling loop (FE model change). | 30928 |
| 6282.html | 2016-10-26 16:29 | First Contact the PSL-HAM1 viewport window. This viewport is a double-layered viewport with the outer surface intending to be cleaned on an in-air window. Will need LASER SAFE in LVEA, Light pipe will be removed. | 30924, 30937 |
| 6281.html | 2016-10-26 08:50 | Lift leads of thermocouple wiring at Beckhoff rack at MY station to test TC readouts at CP3 |