Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2022/9/16 13:00-13:15

Participants: Takahashi, Yokozawa, Miyoki, Aso, Akutsu, Ushiba, Ikeda, Node

Post O3 Upgrade portal

Schedule

• Type-A: Installation of the windshields in EY. Improvement of the controls.
• Type-B: Monitoring of the evacuation.
• Type-Bp: Recovery of the BF GAS in PR3. Monitoring of the evacuation. Centering of the oplev in PR2.
• Type-C: Health check of the IMMT suspensions. Shift of the OMMT2 suspension in the next week.

Status

• Replacement of cables: EXT remains.
• TM height setting:
• Oplev: Adjustment of the PR2 oplev.
• ACC:
• Commissioning in air:
• Commissioning in vacuum: MICH and FPMI Lock.

• Acceptance check: DropboxPaper

• Vacuum system: Pump down of the center area from 9/13. Large leak in PR3-PRM and SR3-SRM.
• Heater control: Pending.
• TMS:

Discussion

VIS Meeting

Date: 2022/9/16 14:00-

Participants:

Summary Report

Type-A

Type-B

• We monitored the IPs during air evacuation from the chambers.
• I calculated the values of the buoyancy effect.
• I moved all GAS filters and IPs close to their setpoints.

Type-Bp

• The GAS filters were monitored during evacuation, although there were not compensated as often as IPs.

Type-C

• Health check of the IMMT suspensions.

Electronics

Control

Schedule

• Type-A:
• Type-B:
• Type-Bp:
• Type-C: Shift of the OMMT2 suspension (depending on the GV status). Final check of the IMMT suspensions.

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 9/19

• Takahashi: 9/20-22
• Aso: 9/20-22

The week from 9/26

• Takahashi:
• Sato:
• Hirata:

Next meeting

• 2022/9/30(FRI)