=== 2019/3/26(Tue.) === ==== 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)-- * --(3/25: Venting)-- * 3/27: Fixing PR2 * 4/3: Closing and pump down * ITMX: * --(3/19: Cooling stop)-- * 3/25: Venting start * 3/27: Opning chamber * 3/27~: Fixing thermal touch * ~4/3: closing chamber and start pumping down. * 4/12: Cooling starts. * 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: ETMX finalization by Takahashi)-- * --(3/18,19: ETMX alignement)-- * --(3/23-24: Pcal alignment)-- * --(3/24: Removing PD)-- * --(3/25: closing and pump down)-- * 4/12: Cooling start * 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)-- * --(3/22-23: leak test)-- * 3/26: Venting start * 3/28~: Fixing short inside chamber * ~4/2: closing chamber and start pumping down. * 4/10: Cooling starts. * 4/1~ : 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)-- * End of April~: DRMI commissioning * End of April~: Y arm commissioning * ~End of May: FPMI commissioning ==== Note ===== * Official night work starts 4/1. ==== Weekend ==== ==== Report of work ==== * CRY: Payload had short cable. It was decided to vent again. * Pumping down at ETMX is going on from yesterday. Drift was monitored and compensated. * Venting at central area is going on from yesterday. Drift was monitored, it will be compensated today at the very last stage of vent. ==== Work plan ====