|
Size: 2455
Comment:
|
Size: 2497
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 12: | Line 12: |
| * Listed up the modification parts in the 3D CAD model. | * Updated the list of the modification parts in the 3D CAD model. |
| Line 25: | Line 25: |
| * Dummy mirror was delivered. | |
| Line 39: | Line 40: |
| * The list is required by the SEO. They need it for scheduling and arrangement of the site works between O3 and O4 considering the task of all subsystem, | * The list is required by the SEO. They need it for scheduling and arrangement of the site works between O3 and O4 considering the task of all subsystem. |
Agenda/Minutes of the VIS Meeting on 2019/8/30
2019/8/30 14:00 -
Participants:
Progress report
Type-A
Past week report
- Updated the list of the modification parts in the 3D CAD model.
Plan for coming weeks
Type B
Past week report
Plan for coming weeks
Type-Bp
Past week report
Plan for coming weeks
OMMT & OSTM (Takahashi)
Past week report
- Dummy mirror was delivered.
- Ordered the spacer plate and the connector plate.
Plan for coming weeks
VIS electronics
Past week report
Plan for coming weeks
Other site works
Safety
- Incidents:
Discussion
VIS repair/upgrade work between O3 and O4
- The list is required by the SEO. They need it for scheduling and arrangement of the site works between O3 and O4 considering the task of all subsystem.
- One more week was added to the period for EYV work.
- Recovering of the FRs includes the adjustment of ballast masses. Though needed period depends on the situation, two more weeks were added for each SR3/BS work.
- Installation of the yaw FR for BS includes the replacement of bearing.
- The re-gluing of the IM/TM magnets was omitted.
- Replacement of the ferromagnetic parts on SF in BS/SR3 was added.
- Expenses will be covered by the 2019FY budget. Spare connectors are included in the budget.
- Optional
- Improvement of the FRs with limiter switch.
- Improvement of the ACCs.
- Connector supports for the assembled in-vac cables.
- Replacement of the LVDT cards.
- Replacement of the LVDT-actuator units in BS.
- Small items
- Tuning of BS IP by small ballast.
- Flip connections in BS IP H2 coil actuator.
- Replacement of the chipped magnets (12x12x12 mm) for IP in SR3
- Moving of the electronics to small rack in SR3.
Travel Plans
- Travel (Week of 9/2):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Fujii:
- Tanaka:
- Travel (Week of 9/9):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Fujii:
- Tanaka:
Next meeting
On 2019/9/6(Fri)