【 Weak current College 】 community water supply and sewerage and water heating, water supply-learning objectives, priorities and difficulties

First, the learning objectives for the end of this chapter, you should have the following content and knowledge points: ① community water supply and drainage system of classification, community water supply and drainage features. ② Community water supply and choice, the different types of community water supply system of identification, the arrangement and water pipeline. ③ pressurization station construction and type. ④ Community drainage system. ⑤ Community sewer systems and drainage installation requirements, community and sewage treatment. ⑥ water works, water modeling, the basic form and control. ⑦ swimming pool water supply and sewerage system. ⑧ hot water supply system of classification and characteristics, the composition of the hot water supply system, hot water heating method and mode of supply. 　　⑨ drinking water supply. Second, important and difficult ① community water supply and drainage features. ② Community water supply and choice of different types of community water supply system. ③ Pipeline layout and laying, the composition of the drainage pipe system and installation requirements. ④ Community sewer system layout features. ⑤ hot water supply system of classification and characteristics, composition, hot water supply system for the selection of a heat source.