Oars (Osis Augmentation And Relief Sewer)
Oars (Osis Augmentation And Relief Sewer)
2 PagesPROJECT CASE STUDY he sewer systems originally built in many cities were de- signed to carry storm water and raw sewage away from homes and businesses in a single, combined pipe. Prior to sewage treatment plants, the contents of these combined sewer systems would then be transported to the nearest river. In the 1950s, based on the development of sewage treatment plants, the contents of combined sewer systems were diverted to sewage plan
