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2018/11/16 13:30 - 2018/11/16 13:30 - 15:00
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Participants: Participants: Mark, Enzo, Aso, Takahashi, Sato, Kozu, Tanaka, Hirata, Fujii, Fabian, Lucia, Eleonora, Okutomi, Ishizaki
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  * Enzo and Fujii-kun built three geophones for SRM.   * Enzo and Fujii-kun built three geophones for SRM. They still need testing/characterization/sealing.
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 * Characterize geophones.
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 * Install SR2 OL pillar and shelf (with AOL supervision)?  * Install SR2 OL pillar, shelf and viewports (with AOL supervision)?
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=== December VIS work and vacuum work ===
 * 12/10-11: Break the vacuum. Need to monitor the IP drift (BS, ITMX, ETMX)
 * 12/12-14: BS maintenance works
 * 12/12-13: Y-front Type-A Yaw FR replacement
 * 12/13: PR2 remove the broken IM OSEM cable -> repair
 * 12/17 - : Lazer hazard starts
 * 12/17: PR2 install a new cable
 * 12/17-21: X-front Type-A Yaw FR replacement, X-end Type-A Yaw FR replacement & FR repair
 * 12/24-28: Y-end Type-A Yaw FR replacement
 * 12/17-21: SR Yaw FR installation
 * 1/15 - : Center area, X-front and Y-end vacumm pumping. Need to monitor IP drift (BS, SR, ITMX, ETMY)
 * 1/21 - : Y-end vacuum break. Y-front vacuum pumping. Need to monitor drift (ETMY, ITMY)
 * 2/4 - : Y-end vacuum pumping. Need to monitor drift (ETMY)
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  * Takahashi:   * Takahashi: 19-22
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  * Sato:
  * Lucia:
  * Fabian:
  * Mark:
  * Hirata:
  * Enzo:
  * Shoda:		   * Sato: 19-21
  * Lucia: 19-22
  * Fabian: 19-22
  * Mark: 19-22
  * Hirata: 20-22
  * Enzo: 19-22
  * Shoda: 
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  * Fujii:   * Fujii: 20-22
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  * Takahashi:   * Takahashi: 26-30
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  * Lucia:
  * Fabian:
  * Mark:
  * Hirata:
  * Enzo:		   * Lucia: 26-30
  * Fabian: 26-30
  * Mark: 26-30
  * Hirata: 26-29(?)
  * Enzo: 26-29
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  * Fujii:   * Fujii: 27-30

Agenda/Minutes of the VIS Meeting on 2018/11/16

2018/11/16 13:30 - 15:00

Zoom Meeting

Participants: Mark, Enzo, Aso, Takahashi, Sato, Kozu, Tanaka, Hirata, Fujii, Fabian, Lucia, Eleonora, Okutomi, Ishizaki

Progress report

Schedule Chart

Type-A : (PDF/MPP)

Type-B: (PDF/MPP)

Type-C: (XLSX)

Type-A (Takahashi)

Past week report

[Y-end]

  • Assembled and calibrated the geophones.

[Mitaka]

  • Designed and ordered the yaw FR parts.
  • Designed the ballast weight for TF.

Plan for coming weeks

  • Adjustment of the filer position in IYV/EYV.
  • Installation of the geophone pods to EYV.

Type B (Mark)

Report for week of 11/12

  • SRM
    • Hirata-san and Mark craned the LBB ring sandwich to the ceiling of the lower half of the tank, and set the heights of the jacks on the upper half.
    • Fabian and Hirata-san finished the in-vacuum cabling.
    • Enzo ran DC power to the second SRM stepper driver and did the rest of the in-air cabling.
    • We're now ready for final tests of the SF/... items and initial tests of the PI items.
    • Enzo and Fujii-kun built three geophones for SRM. They still need testing/characterization/sealing.
    • Mark worked on the height budget.
  • SR2

    • Enzo experimented with LISO (circuit analysis software which, among other functions, can fit measured TFs with a ZPK model) but then wrote his own fitting software in Python and used it to build Foton models of key TFs of the SR2. (These are in slots FM6-FM8 of the DAMP blocks and should not be accidentally enabled.)

To-Do Lists, Schedule

Plan for week of 11/19

  • Friday 11/23 is Labor Thanksgiving Day.
  • Mark, Enzo and Fabian at Kamioka Mon-Thu.
  • Hirata-san at Kamioka Tue-Thu (Mitaka on Mon for Engineering Promotion Office meeting).

SRM
  • Characterize geophones.
  • Go/no-go test of all electronics items, especially SF/... section.
  • Finish vertical height check and adjust SF trim mass as required.
  • Unlock IP and center roughly.
  • Check/adjust alignment of SS.
  • Calibrate IP LVDTs.
  • Add arc weights and geophones.
  • Improve centering/tuning of IP and SS alignment.
  • Disconnect cables at feedthroughs, lock suspension.
  • Crane into tank.

SR2
  • Assist MIF team with pico cables and LBB breadboard ballast.
  • Install SR2 OL pillar, shelf and viewports (with AOL supervision)?

Plan for week of 11/26

  • Move SRM in-air cables over to tank.
  • Remove First Contact.
  • Unlock and align SRM.
  • Hook and roughly ballast LBB.
  • Move furniture near SR racks to prepare for flooring repair (week of 12/10)

Plan for week of 12/3

  • f2f Meeting at NAOJ - no Kamioka work.

Vacation/Event Info

  • Hirata-san at Mitaka, Mon 11/19 (Engineering Promotion Office meeting).

Type-Bp (Shoda)

Past week report

Plan for coming weeks

OMMT & OSTM (Ohishi)

Past week report

Plan for coming weeks

VIS electronics (Tanaka)

Past week report

Plan for coming weeks

Other site works

Safety

  • Incidents:
  • Foreseen risks
    • Type-A:
    • Type-B:

Discussion

December VIS work and vacuum work

  • 12/10-11: Break the vacuum. Need to monitor the IP drift (BS, ITMX, ETMX)
  • 12/12-14: BS maintenance works
  • 12/12-13: Y-front Type-A Yaw FR replacement

  • 12/13: PR2 remove the broken IM OSEM cable -> repair

  • 12/17 - : Lazer hazard starts
  • 12/17: PR2 install a new cable

  • 12/17-21: X-front Type-A Yaw FR replacement, X-end Type-A Yaw FR replacement & FR repair

  • 12/24-28: Y-end Type-A Yaw FR replacement
  • 12/17-21: SR Yaw FR installation
  • 1/15 - : Center area, X-front and Y-end vacumm pumping. Need to monitor IP drift (BS, SR, ITMX, ETMY)
  • 1/21 - : Y-end vacuum break. Y-front vacuum pumping. Need to monitor drift (ETMY, ITMY)
  • 2/4 - : Y-end vacuum pumping. Need to monitor drift (ETMY)

Travel Plans

  • Travel (Week of 11/19):
    • Takahashi: 19-22
    • Okutomi:
    • Sato: 19-21
    • Lucia: 19-22
    • Fabian: 19-22
    • Mark: 19-22
    • Hirata: 20-22
    • Enzo: 19-22
    • Shoda:
    • Ohishi:
    • Fujii: 20-22
    • Tanioka:
    • Tanaka:
    • Kozu (ICRR):
    • Arai (ICRR):
  • Travel (Week of 11/26):
    • Takahashi: 26-30
    • Okutomi:
    • Sato:
    • Lucia: 26-30
    • Fabian: 26-30
    • Mark: 26-30
    • Hirata: 26-29(?)
    • Enzo: 26-29
    • Shoda:
    • Ohishi:
    • Fujii: 27-30
    • Tanioka:
    • Tanaka:
    • Kozu (ICRR):
    • Arai (ICRR):

Next meeting

On 2018/11/30(Fri)

KAGRA/Subgroups/VIS/VISMinutes20181116 (last edited 2018-11-16 15:10:19 by YoichiAso)