=== 2019/3/18(Mon.) === === Schedule === * Center * --(2/26-27: Venting)-- * 2/28-3/15: Health check and maintenance for VIS * --(PRM: One flag was dropped. -> leave it)-- * --(3/4-14 PRM: Misalignment does not reach where beam hits damper.)-- * --(3/6 PR3: range -> incline by 20-30mrad at mirror because of bistable.)-- * --(3/15: BS: Yaw offset adjustment by hand. -> 3/5-6)-- * --(3/12: BS ok)-- * --(3/15: some SRs work)-- * --(3/5 afternoon or 3/6 morning: Coolers for ITMs will be stopped for 2-3 hours to change water.)-- * 3/18-19: Re-alignment * 3/19: Closing * 3/20: pump down * Yend * --(1/25-2/20: Yend Pcal finalization)-- * --(3/5: EYA remaining works by Enomoto, Inoue.)-- * --(2/25-3/5: Yend WAB finalization)-- * --(3/6: Y end closing (no laser hazard at least in the morning))-- * --(3/7: Y end pump down)-- * --(3/7,8: leak test)-- * Xend * --(2/11-2/14: Xend NAB installation)-- * --(2/21: Removing FC, Payload release)-- * --(2/27: ETMX release)-- * --(2/23-3/6: Xend Pcal finalization 1)-- * --(Periscope installation)-- * --(3/6: Beam position by IR and Green)-- * --(3/5 AOS: EY and EX(if they have time) work.)-- * --(3/6: Green X alignment (no IR), and no hazard at Y end.)-- * 3/11, 18,19: Xend WAB finalization. * --(3/11~3/15: ETMX tuning.)-- * 3/19: Heatlink etc. * 3/19: ETMX finalization by Takahashi * 3/18,19: ETMX alignement * 3/21 closing * 3/22 Pumping down * Leak test * 3/18~ : Night work starts, daily meeting will be moved to 1PM * Summary of work will last for a while in the morning meeting. * 2/18-2/22: PRMI commissioning * 3/25~?: DRMI commissioning * 3/25-4/19: Y arm commissioning * 3/25-4/19: FPMI commissioning ==== Note ==== * Night work does not start from 3/11 due to the 2weeks delay by VIS troubles. * It does not mean that night work is prohibited but it means that officially night shift responsible person won't be assigned and we have no daily meeting at 1pm. * Official night work starts 3/18 or 3/25, but not determined yet. === Weekend === ==== Report of work ==== * Type B: Basically health check shows everything was ok. * One of the o-ring was fallen inside chamber, it will be fixed today. * IP LVDT of BS is something wrong. Chamber will be opened again? * Type Bp: PRM was concluded nothing was touching. Today final check will be done. * Health check was done or sill is going one. * There is some possibility of touching when PRM is misaligned, but it does not matter. * Type A: ETMX cryopayload was touching because upper part was too low. It was lifted up and cryopayload is free now. The gap is now 3mm since we are in room temperature. * Needs control of damp is the highest priority for IFO alignment. ==== Work plan ==== * PEM: Needs work at ETMX. * Takahashi-san will check ETMX and if something is wrong he will fix. * MIF: alignment work will be performed this afternoon.