<> ---------- = VIS Meeting = Date: 2024/7/5 10:00- [[https://zoom.us/j/203743987|Zoom]] Participants: Ushiba, Aso, Washimi, Tanaka, Sato == Topics == === Recovery of OMC Stack === * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15746|Implementation]] * The wire was cut when we locked the IM in the OSTM suspension. * The mirror has been rotated when we rehung it in the OSTM suspension. * There was no margin to adjust the height of the optical bench. * There was a miscommunication on the attachment of the black panels. * Considering the actual access, the OMMT1 suspension was too heavy to install from the Y+ side. * The guide rod was bent and the M6 thread was damaged. * One screw to fix the EQ stopper plate was lost. * In-vacuum cables were not anchored to the SUS blocks owing to the short ones. * The roof doors were connected to each other. * The spare geophone did not work. * The frame with the C-cramps damaged the O-ring. * Evaluation * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15862|Summary]] * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=30109|klog]] === Type-A === * IP controls using ACCs * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=30157|Present status]] === Type-B/Bp === * BF damper for Type-B * IP for Type-Bp === Type-C === * Active isolation table: ATC === R&D === * Protection from earthquakes * Application for Kakenhi ([[https://paper.dropbox.com/doc/--CSVUMuM~GM9QetDG~rqIOxIpAg-9u6o6e7X8CGgxNBoTaceJ|Memo]]) == Discussion == == Next meeting == * 2024/7/19 10:00-