1 large and medium-sized computer room and its control room, recording medium library, rooms for machinery, instruments and equipment with high fire risk, valuables warehouse and rooms with gas fire extinguishing system;
2. A warehouse for cotton, wool, silk, hemp, chemical fiber and its fabrics with an area of more than 1000 square meters, and a cigarette warehouse with an area of more than 500 square meters or a total construction area of more than 1000 square meters;
3. Shoe-making, garment-making, toys and other factories with a construction area of over 1500m2 or a total construction area of over 3000m2;
4. Shops, exhibition buildings, financial and trade buildings and passenger and freight buildings with a construction area of over 3000m2 or a total construction area of over 6000m2;
5. Collection of books and cultural relics, each library has more than 6,543,800 books and important files;
6. Radio and television buildings, postal buildings, telecommunications buildings, urban or regional power, transportation, disaster prevention and relief command and dispatch buildings at or above the prefecture level;
7. Super-class and first-class theaters or theaters and cinemas with seats exceeding 1500, auditoriums or auditoriums with seats exceeding 2,000, and gymnasiums with seats exceeding 3,000;
Buildings for the elderly, hotels with a building area of more than 1500m2 or a total building area of more than 3000m2, ward buildings in sanatoriums, children's activity places, outpatient buildings, ward buildings and operating departments of hospitals with more than 200 beds;
9 underground and semi-underground shops with a building area of more than 500m2;
10 is located in the underground, semi-underground or above four floors of the building;
1 1 The technical interlayer with clear height greater than 2.6m and more combustible materials is located in a stuffy roof or suspended ceiling with clear height greater than 0.8m and more combustible materials.