Reconstruction of Water Reclamation Center and Pumping Stations
In addition to deterioration-control measures, there will be reconstructing to improve functionality such as better earthquake protection and greater capacity to whisk away rainwater.F0e0ca
◆Flood Countermeasures
Based on Tokyo City's basic policy for dealing with stormwater, the city has been building sewer facilities that will be able to handle 50 mm precipitation during one hour over all wards. Especially, in 20 areas prone to flooding, a 10-year plan to make such areas withstand 50 mm precipitation lasting one hour started in 2008.
In 9 areas with large underground shopping malls where damage caused by flooding could be enormous, we are overhauling storage facilities that can store stormwater from 75 mm precipitation lasting one hour. We are also working with related agencies and wards to control runoff.