Analysis of the Rainwater Inflowing into the Separated Sewage System

By the data analysis of the Chunshenlu sewage system, a separated sewage system, Minhang District, Shanghai, it shows that the sewage transportation volume in a day in the more rainfall month is general larger than the less rainfall, an increase of up to 101.86%; and the monthly average transportation volume during the rainy day is greater than corresponding the whole, the rate of increase of 3% to 10%; otherwise, the transportation volume exceeding the Planning always happens in the rainy day, the largest increase of 15.02 percent super. The separated sewage system is key affected by the rainfall factor, should focus on the issues filling the sewers of rain access point, a reasonable schedule and amend the sewage pumping station planning and so on measures to ensure that the separated sewage system could work completely normal and safe.