Disaster Prevention
When we cannot discharge into river even if above-mentioned case and river where there was a heavy rain assuming in the sewer do not overflow, we predict the inundation that sewage overflows and occurs by simulation and display inundation area and the depth and show correspondence or refuge to the inundation.
https://www.city.mitaka.lg.jp.e.nf.hp.transer.com/c_service/034/034182.html