A Study on The Rainwater Usage System For Railway Station Toilet

摘要

The execution of rainwater utilization system was examined for station toilets with the many user numbers per instrument. The following were set on the past investigation value and Tokyo JR 5 stations using opened data: Precipitation, rainwater collection plane, toilet water consumption and rainwater tank. Afterwards, the usefulness of rainwater utilization system was examined by the simulation. Though as the result, the effect of the rain water tank installations is accepted, the toilet water consumption for one day is large, the range of 136m~3 from 55m~3.