Planning of Water Supply and Drainage System for a Small Town in Southern China

With rapid development of economy and society in small towns,there is a need to work out a new planning of water supply and drainage system.The content and matters needing attention in planning of water supply and drainage system are introduced,including water demand prediction,water supply pipe network layout,rainwater planning,sewage quantity and quality investigation and prediction,design of sewage treatment plant and sewage pipe network configuration.Sewage quantity and quality investigation and prediction and sewage treatment plant process selection are the key elements.The tail water from sewage treatment plant should meet the local emission standards to achieve environmental,economic and social development in harmony.