factory design needs to follow many codes, and the most basic code is Code for Fire Protection in Building Design. The area division you asked belongs to the planning requirements of the development zone. Usually, the land area of administrative office and living service facilities required for industrial projects shall not exceed 7% of the total land area of industrial projects. The planning points of the development zone will stipulate the proportion of land area for administrative office and living service facilities to the total construction area.

under the condition of meeting the requirements of planning points, dormitories and restaurants have specific reference specifications: Code for Design of Dormitory Buildings and Code for Design of Catering Buildings, and the required area can be determined according to the number of people.

the office area of the factory building is not clearly defined, which can be determined according to the use requirements.