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; Indoor staff lounge and equipment room of sports ground with more than 5000 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. Office buildings with a total construction area of return air pipes (pipes) greater 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 300 m2 (except swimming places);

7 libraries with more than 500,000 books.