If the floor area ratio is less than or equal to the construction area, the semi-basement is calculated as half of the floor area ratio, and the basement without property rights is not counted as the floor area ratio. Auxiliary area refers to the net area of indoor space on each floor of residential building that does not directly provide household life. Including aisles, kitchens, bathrooms, bathrooms, living rooms, storage rooms, etc.
Extended data:
Definition of auxiliary room:
General design requirements and use requirements of auxiliary buildings in commercial buildings 1 can be divided into the following categories:
1 The administrative rooms of large and medium-sized shopping malls (extended browsing: shopping mall design topics) include all kinds of rooms needed by enterprise managers, such as administrative leadership office, party and government office, printing and typing room, foreign business liaison office, finance office, business reception room, public security management office, factory office, etc.
Office buildings are generally located at the back of buildings, which should be convenient for external contact and internal management. There are no special requirements for its space design, but enough attention should be paid to the layout of lighting, air conditioning, electrical appliances, telecommunications and other equipment.
2. Service space Service space includes rest space, toilet, smoking room, walkway, stairwell, etc. Large and medium-sized commercial buildings should be equipped with a rest space according to 1% ~ 1.4% of the business area, which can be located in the middle of the business space and combined with the central hall for convenient use. The staff lounge can be set near the business hall.
Vertical traffic and entrances and exits should be evenly distributed to facilitate the rapid evacuation of personnel. Toilets, smoking rooms, etc. It should be located in a hidden but easily recognizable place, avoiding visual interference, and communicating with the business space is convenient, preferably in the downwind of the building, so as to avoid polluting the air in the business hall. Some large commercial buildings also have staff canteens, baths and other spaces. ?
3. Equipment room, small shopping mall, less equipment. In the case of 1, there are only a few computer rooms, such as the power distribution room, and the location is flexible. However, the equipment of large commercial buildings is more complicated, except outdoor 1, there are computer rooms, generator rooms, refrigeration rooms, air-conditioning rooms, water pump rooms, pools and so on.
This kind of house can be located in the main building or alone; When it is located in the main building, it is often located in the basement. ?
4. Garage Small and medium-sized commercial buildings 1 can be without a garage, but it is an indispensable functional space for large commercial buildings, especially in the bustling commercial streets of big cities and megacities. In order not to occupy commercial space, the garage 1 can generally be located in the basement, but attention should be paid to the relationship between the upper commercial space column network and the garage entrance and exit and urban roads.