vernon.sandberg@LIGO.ORG - posted 14:38, Friday 19 May 2017 (36290)
Work Permit Summary for 2017 May 16 Maintenance Day
| Work Permit | Date | Description | alog/status |
| 6641 | 5/19/2017 11:34 | Sunday evening, May 21st, give personal tour to one or two friends * Walk on Mezzanine in LVEA | |
| 6640 | 5/18/2017 10:33 | Opening GV 1,2 isolating vertex from x & y beam manifolds. The manifold turbos are ON and open to beam tubes. IP 5,6 are valved out. Pumped out gate annuli on both valves. This will allow access to oplevs/pcal camera to help with ITMx alignment and/or imaging. It could also speed up pump down time. | |
| 6639 | 5/17/2017 10:33 | Update and restart the Beckhoff PLC code on h0vacmr to match the IP6 controller change from a dualvac to a gamma. Due to the difference in the signals for the controllers, some EPICS channels will be lost and others added. Minute trend files may be renamed. Requires a DAC restart. Will update autoBurt.req file and MEDM screens. Will coordinate with the vacuum group. | 36259, 36266 |
| 6638 | 5/17/2017 9:45 | Trouble shoot a script that may have crashed the nds1 server. Run an instrumented copy of the operator alog summary script w/ a new nds2 client to see what caused problems. This should be done when users are not in the middle of large measurements in case we impact h1nds1 again. | |
| Past WPs | |||
| 6622 | 5/8/2017 7:15 | Install Air Trap/Bleed (ECR #E1700096) in PSL Crystal Chiller return line. Will need the PSL to be down during the installation. | 36223 |