Agenda/Minutes of the VIS Meeting on 2020/9/18

2020/9/18 13:30 -

Zoom Meeting

Participants:

Interface between VIS and CRY

• Interface meeting was set to discuss about the integrated CAD model, the link between Cryo-payload and Type-A tower, the schedule, and so on. Mainly in Japanese for the engineers.

• Post O3 Upgrade portal

• VIS team plan to test the ribbon heater on the cross tube in IX or IY just before the vent of chambers.

• Acceptance Test (Wiki page, Inspection document style).

Progress report

General

Type-A

Type B

Type-Bp

Type-C

Controls

Electronics

Towards O4

• KAGRA is in "RSE Trial" now.
• Procedure documents.

  • Type-A tower installation

  • Limit switches

  • Limit switch connecting guide

  • Replacement of TF blades

  • Wire gluing in PR3

  • Type-B remedying work

• Preparation work.
  • The preparation work will be started on Oct. 1st.

  • Schedule and assignment of personnel

  • Cleaning procedure.

  • When you make inventories, indicate the segment name.

• Schedule towards O4.

  • Two cases.

cf. Post Obs. task (Request), Task for O3c (Plan, Sheet), Task towards O4 (List)

Safety

Discussion

Travel Plans

The week from 9/28

• Takahashi: 9/30-10/2
• Sato: 9/30-10/2
• Hirata: 9/30-10/2

The week from 10/5

• Takahashi: 10/5-9
• Sato: 10/5-9
• Hirata: 10/5-9

Next meeting

• On 2020/9/25(Fri)