Swimming is a popular and healthy sport.Water recreation is a kind of public body, leisure and entertainment of the people advocating the nature of water-loving activities.Since the success of the 2008 Northern Olympic Games, a considerable number of swimming pools (gymnasiums) and upstream music pools with different functions have been built in various regions of China, providing a variety of places for people who are interested in water sports to compete, keep fit, and enjoy leisure and entertainment in water and on water.

Because swimming and water entertainment, theatrical performances, constructed the water in the pool is direct contact with body, so is engaged in the swimming pool, water upstream orchestra pit and theatrical performances of the pool water and wastewater engineering design, construction and completion of the operator should under the situation of our country economy and the rapid development of science and technology, in the swimming pool, pool of water upstream orchestra, theatrical performances using function and construction, etc, on the basis of implementing building whole life period of resource conservation and environmental protection, for swimmers, dabbler, performers and audience to provide health, healthy and comfortable environment is a must adhere to the concept of sustainable development.To this end, the design, construction, operation and management of swimming pools, upstream musical pools and performance pools shall adhere to the following principles:

(1) Persisting in technological innovation, adopting and popularizing the application of new technologies, processes, materials, equipment and intelligent technologies that save energy and protect the environment;

(2) On the premise of ensuring the quality and health and safety of the project, adopt measures in line with local conditions to realize energy and water conservation, land and material conservation and environmental protection, and reduce system operating costs;

(3) Ensure that the system is simple in operation, stable in operation, convenient in maintenance and management, and has good economic and social benefits.