Paragraph 4 of Article 8.5. 1 of the Code for Fire Protection Design of Buildings (applicable to residential buildings below 9F or other civil buildings below 24m) stipulates: 8.5. 1 Automatic fire extinguishing system shall be installed in the following places, unless it is not suitable for water protection or fire extinguishing and it is otherwise stipulated in this Code:

Exhibition buildings, shops and hotel buildings with a building area of more than 1500m2 or a total building area of more than 3000m2, as well as ward buildings, outpatient buildings and operating departments with the same building scale in hospitals; Underground shops with a building area of more than 500m2; The following places should be equipped with automatic fire extinguishing system, and unless it is not suitable for water protection or fire extinguishing, and otherwise specified in this specification, automatic sprinkler system should be adopted:

1 50000 spindle and above cotton mill opening and cleaning workshop; Classification carding workshop of linen mills with 5000 spindles and above; Dry, and screening match factory part; Pre-production, molding, slicing and embossing of foam plastic factory; Woodworking workshop covering an area of more than 1500m2; /kloc-Single-storey and multi-storey factories for shoes, clothing, toys and electronics with a total construction area of more than 0/500m2 or 3000m2; High-rise class C factory building; The preparation part of the aircraft engine test bed; Class C underground workshop with a building area of more than 500m2;

2 warehouses for cotton, wool, silk, hemp, chemical fiber, fur and its products with an area greater than 1000m2; Match warehouses with an area of over 600 square meters each; An empty mail bag warehouse with a construction area of more than 500 square meters in the postal building; Underground warehouse of combustible materials with a building area of more than 500m2; Elevated warehouses and high-rise warehouses for inflammable and flame-retardant articles (except cold storage);

3./kloc-a special, first-class or other theater with more than 0/500 seats; A hall or auditorium with more than 2000 seats; A gymnasium with more than 3,000 seats; Lounge and equipment room for indoor staff in sports venues with more than 5,000 people;

4. Exhibition buildings, shops and hotel buildings with a building area of more than 1500m2 or a total building area of more than 3000m2, as well as ward buildings, outpatient buildings and operating departments with the same building scale in hospitals; Underground shops with a building area of more than 500m2;

5. A central air-conditioning system with return air pipes (pipes) and an office building with a total construction area of more than 3000m2;

6 Underground, semi-underground, or more than four floors above the ground, or more than one, two or three floors of buildings, and the construction area of any floor is more than 300m2 (except swimming places);

7 libraries with more than 500,000 books.