According to the specification:

8.5.1 The following places should be set up automatic fire extinguishing system, in addition to the water is not suitable to protect or extinguish the fire and the specification otherwise, it is appropriate to use the automatic sprinkler system:

1, greater than or equal to 50,000 spindles of cotton spinning mills of the bale, clearing flower workshop; greater than or equal to 5,000 spindles of linen spinning mills, grading, carding workshop; The roasted stems and screening parts of the match factory; the pre-generation, molding, slicing and embossing parts of the foam factory; the wood factory covering an area of more than 1,500 m?; single-storey or multi-storey shoe, garment, toy and electronic factories covering an area of more than 1,500 m? or a total floor area of more than 3,000 m?; high-rise Category C factories; the preparatory parts of the test bed of the aircraft engine; underground Category C factories with a floor area of more than 500 m? C underground factory buildings;

2, each occupying an area of more than 1000m? of cotton, wool, silk, linen, chemical fibers, fur and its products warehouse; each occupying an area of more than 600m? of the match warehouse; postal buildings in the floor area of more than 500m? of empty pouch warehouse; floor area of more than 500m? of combustible underground warehouses; combustible, refractory combustible goods of the elevated warehouses and warehouses (except cold storage);

2, the floor area of more than 500m? (except for cold storage);

3. Theaters of special grade, grade A or other grades with more than 1,500 seats; auditoriums or halls with more than 2,000 seats; gymnasiums with more than 3,000 seats; indoor rest rooms and equipment rooms of stadiums with more than 5,000 people;

4. Exhibition buildings with the floor area of any floor more than 1,500m?or the total floor area of any floor more than 3,000m?or the total floor area of the exhibition building more than 3,000m?or the total floor area of the exhibition building more than 3,000m? Exhibition buildings, stores, hotel buildings, and hospitals of the same size of the ward building, outpatient building, operating room; underground stores with a floor area of more than 500m?

5, the installation of centralized air-conditioning system with air ducts and return ducts and a total floor area of more than 3,000m? Four floors and more than four floors or set up in the first, second and third floors of the building and any one floor construction area greater than 300m?s above ground dance entertainment and projection of amusement parks (except for swimming places);

7, the collection of more than 500,000 books in the library.