=== 2019/3/20(Wed.) === === 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: Re-alignment)-- * 3/19-21: Closing * 3/22: pump down * ITMX: * 3/19: Cooling stop * 3/28: Opning chamber * 3/28: Fixing thermal touch * 3/29: closing chamber and start pumping down. * 4/1: Start cooling. * Xend * --(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)-- * 3/21: leak test * 3/27: cooling start * 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, 20: Xend WAB finalization. * --(3/11~3/15: ETMX tuning.)-- * 3/19: Heatlink etc. * --(3/19: ETMX finalization by Takahashi)-- * --(3/18 : ETMX alignement)-- * 3/23-24: Pcal alignment * 3/25: closing * 3/26: Pumping down * 4/2-4: Leak test * 3/27: Cooling start * 3/25~ : Night work officially 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 * Middle of April~?: DRMI commissioning * 3/25-middle of May: Y arm commissioning * Middle of May~: 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 ==== * COM: Alignment was done by the night of day before yesterday. * Type A: * ETMX has been confirmed that it is healthy. * ETMY: IP was something wrong and still alignment was not finished day before yesterday. * Motor had some problem, and it will be fixed. * Type B: SR2 oplev is being tuned in these days. ==== Work plan ====