<> = Agenda/Minutes = [[https://zoom.us/j/203743987|Zoom Meeting]] ----------- = CRY+VIS Interface Meeting = Date : 13:30-13:45 Participants : Takahashi, Ikeda, Miyo, Tomaru, Aso, Kimura, Hirata, Sato [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Upgrades/PostO3Upgrades|Post O3 Upgrade portal]] == Schedule == * IX: Setting Oplev by 3/10. Preparing additional spring for BF. * IY: Disconnection is scheduled on 3/11. * EX: Connection is scheduled in the week of 3/15. == Status == * Corrugate tube fixing jig: Started the vent of IYV chamber on 26th. Re-measurement is on going in 2/25-3/2 at IYV. * Commissioning in air: Commissioning of IX will be delay. From April? * Commissioning in vacuum: From May? * Acceptance check: Cryo-payload in IX/EX and Type-A tower in EY/IX are on going. * PF actuator: Not evaluated in IX, but after the commissioning for suspension. * Jig for FC painting: Assembling. * Overall commissioning: To be considered about personnel. ----------- = VIS Meeting = 14:00-14:30 Participants: Takahashi, Hirata, Miyo, Sato, Fabian, Sugiyama, Ishizaki, Aso, Terrence, Tanaka == Schedule == * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|Chart]] * Type-A team: IXV in 3/1-3, IMC in 3/4-5 * Type-B team: EXV in 3/1-2, PR3 in 3/3-5 == Progress report == <> === TypeA === * Replacement of LVDT coils for F0 in EX. === TypeB === === TypeBp === === TypeC === * Investigation and recovery of IMC suspensions are requested. === Electronics === === Control === == Safety == == Discussion == * O3GK Noise Budget : Seismic noise through the Type-A tower * [[https://gokagra.slack.com/archives/C015M111B5G/p1611978135005400]] * Calculation for the ETMY : much smaller than O3GK sensitivity, but larger than the design sensitivity == Travel Plans == The week from 3/1 * Takahashi: 3/1-5 * Sato: 3/1-5 * Hirata: 3/1-5 * Yano: 3/1-5 The week from 3/8 * Takahashi: 3/8-3/12 * Sato: 3/8-3/12 * Hirata: 3/8-3/12 * Yano: 3/8-3/12 == Next meeting == * 2021/3/5(FRI)