If you notice something to be reported immediately, then please email Dustin (dustin@virginia.edu) and call the Target Expert on-call at that moment.
Target Monitoring and Maintenance Guide for Target Expert Shift
...
see Target Expert (click) page for the detailed information
(weekly basis)
- Attending the 8:30 am toolbox meeting
- Point of contact for the entire target system and coordinate with the group members.
- Make sure that the spreadsheet is up-to-date and coordinate with the target helper to keep it up-to-date (entries before 9am and after 5pm would be great if possible).
https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8 (check all tabs) - Check the system statuses of all sub-systems and take action or arrange any maintenance if needed.
- Assist the target helper whenever any help is needed, and coordinate with the target group members if needed.
- Make sure the supplies: LN2 portable Dewars, gHe in the tank, etc. are sufficient every time.
Target Monitoring and Maintenance Guide for Target Helper Shift
...
| Task# | Task | Frequency | Comments |
|---|---|---|---|
| 1 | Check the gHe bottles' level on west-wall of the cryoplatform | Monday/Wednesday/Friday | Replace if the level is low |
| 2 | Check the number of LN2 portable dewars outside the loading dock | Everyday | Inform Kun to order LN2 portable dewars if the number of dewars is less than 2 |
| 2 | Record the number of gHe and gN2 bottles at the outside rack | Monday/Wednesday/Friday | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1831993347 Inform Kun to order gas bottles (gHe and gN2) if the counts are less than 2 |
| 3 | Check gHe pressure and LN2 pressure of the outside tanks | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1940801906 |
| 4 | Check QT HR3 gauges | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1940801906 |
| 5 | Check QT liquid (Dewar/purifier) levels | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1727227200 |
| 6 | Check LCW main inlet, an outlet to NM4 | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=558588447 |
| 7 | Monitoring QT compressor LCW temperatures | Every morning, evening | (setting up this is still in progress) Alarm conditions: T_inlet > 95F or T_out > 115F |
| 8 | Filling LN2 to the QT purifier using portable Dewar | Monday, Wednesday, Friday | Mark the date, time, and levels before and after filling Procedure: Filling LN2 on Purifier to the purifier using a portable Dewar ** Need to be qualified with large portable liquified gas dewar handling training (FN000475 / OJ) ** |
| 9 | Filling gHe outside tanks using tube-trailer | One every 3 months | Instructions will be added soon |
...