Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2022/8/19 13:00-13:20

Participants: Takahashi, Uchiyama, Yokozawa, Miyoki, Tomaru, Ushiba, Akutsu, Hirata, Yasui, Ikeda, Node

Post O3 Upgrade portal

Schedule

• Type-A: Offload of BF GAS in IY.

• Type-B: Polarity Check of magnets. Investigation of F1 damper. Recovery of geophone signals in SR2/SRM. Preparation for Review.

• Type-Bp: Oplev rearrangement in PR3. Taking 360deg pictures inside the chambers in the next week.
• Type-C:

Status

• Replacement of cables: EXT and IY/EX remain.
• TM height setting: Type-B in the next week.
• Oplev: Check of the beam pass in the next week.
• ACC:
• Commissioning in air:
• Commissioning in vacuum: IR beam came to the AS port.

• Acceptance check: DropboxPaper

• New vacuum pumps: Side hatch in SRM on 8/23.
• Heater control: Pending.
• TMS: Replacement of pressure gauge in EX.

Discussion

VIS Meeting

Date: 2022/8/19 14:00-

Participants:

Summary Report

Type-A

• Offloaded the BF GAS in IY.

Type-B

Type-Bp

Type-C

Electronics

Control

Schedule

• Type-A:
• Type-B: Height check. Rubbing check. Adjustment of F1 damper in BS/SR2. Adjustment of F0 FR in BS. Oplev check (various).
• Type-Bp:
• Type-C:

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 8/22

• Takahashi: 8/22-26
• Sato: 8/22-26
• Hirata: 8/22-26

The week from 8/29

• Takahashi:
• Sato:
• Hirata:

Next meeting

• 2022/8/26(FRI)