Hydraulic calculation,water supply system style and network of pipes layout and material selection for small hige-rise residential quarters are elementary presented,reasonable of drinking-fire shared frequency-controlled water supply system and feasibility of cancelling water tank on roof are discussed emphatically.

According to the characteristic of the high rise residential district, the design of emergency diesel generator for the high rise building was analyzed and interpreted through the three aspects,such as capacity determination, connection and interlock to the civil grid and the design of diesel generator room.