Reports until 17:24, Friday 08 March 2024
LHO VE
janos.csizmazia@LIGO.ORG - posted 17:24, Friday 08 March 2024 (76221)
3-8 vent vacuum diary
The pressures:
HAM7: ~1.9E-7 Torr
HAM8: ~4.7E-7 Torr
Corner: ~4.4E-8 Torr
EX: ~4.9E-9 Torr

Today's activities:

- HAM8 Turbo was stopped, the cart was disconnected
- Relay tube - HAM7 - HAM8 was valved in to the main volume - RV1; FCV2; FCV3; FCV4; FCV8 are now opened, so the system is back to normal

As the vacuum works now ended, this was the last page of the vent vacuum diary.

Congratulations to the vacuum team, and to all who helped in the vacuum tasks, it was a great effort, and it ended up being a success.
If anyone is interested in the vacuum results and tasks more in-depth, here is a summary document: T2400085-v1