Working hours of Zhoushan sewage treatment plant

24 hours, three shifts, eight hours. The sewage treatment plant implements a 24-hour three-shift working system. The morning shift starts at 8 am and ends at 4 pm, the middle shift starts at 4 pm, and the night shift ends at 8 am. The night shift is given two days off. Workers in sewage treatment plants should operate the machines, put drugs in, measure the purification results and make disciplinary reports. A set of rules and regulations should be implemented and three shifts should be implemented. The purpose of sewage treatment is to eliminate, kill and destroy toxic sewage and turn it into purified water for reuse, instead of piling it up and then discharging it.