Reports until 13:44, Wednesday 22 March 2017
LHO FMCS
vernon.sandberg@LIGO.ORG - posted 13:44, Wednesday 22 March 2017 (35009)
Work Permit Summary for 2017 March 21
Work Permit Date Description alog/status
6536.html 03/22/17 11:46 AM Measure ASC sensing matrix at POP WFS  
6535.html 03/22/17 08:54 AM Secure the TCS Safety Interlock box on top of the TCS rack in the mechanical room. Work might require the TCS 24V power supply to be powered down, to allow dressing of power cables.  
6534.html 03/22/17 08:54 AM Investigate some authentication problems in the remote access control system. May restart the system. See https://services.ligo-la.caltech.edu/FRS/show_bug.cgi?id=7677  
6533.html 03/21/17 01:28 PM Power off HWSY SLED. 34976
6532.html 03/21/17 12:03 PM Install a new version of gds software. The only change is foton, writing gain coefficients with a different precision. 34979
6531.html 03/21/17 10:11 AM Lead two others through the LVEA on a tour. (VIP visit)  
6530.html 03/21/17 08:33 AM Make sure iris is fully open on both IR camera lenses. This can be done without opening the enclosure with the lens controller. 34977
6529.html 03/20/17 10:47 AM Injections similar to those described in alog 34623 at lower frequencies (HAM1+HAM6). Tamper injections in corner station to localize coupling location. Possibly other tests including looking at downconverion in IPSs and OMC fringe wrapping.  
6528.html 03/20/17 09:02 AM Remove faulty HFW card from h1hfwsmsr server  
6527.html 03/19/17 09:36 PM Access to pcal system and camera to take pictures and possibly move the pcal beams 34980
6526.html 03/17/17 02:06 PM Potentially (undecided if we will perform this work at all), fire up the electrolytic welder which is part of the fiber welding set of equipment, in order to do some flame polishing of COC ears which have blemishes. Angus has used such equipment so we will be learning how to use it, or will just use it while he visits for these 2 days. Work will take place in fiber lab in LSB. We've already spoken to Bubba regarding the safety of this task - he will look it over with us on Monday when/if we start.  
6525.html 03/17/17 08:19 AM Turn off the HWSSX SLED (via medm button) during lock loss. Leave off until instructed to turn it back on. This is for Aidan to make a measurement to compare with latest set in alog 34853.  
6524.html 03/15/17 11:49 AM Briefly run the fire protection pumps to test the new alarm system being installed. I will alert the control room operator when we start and stop the pumps.  
       
previous Work Permits      
6489.html 2017-02-16 16:35 Fix tconvert on Debian 8 workstations, as it is now, it cannot convert dates of the form "Oct 15 2016 12:34:56 UTC" when the month is Oct. Every other month works. 34966