What are the design standards and differences between Grade A and Grade B office buildings?

The product design of office buildings in China presents a trend of refinement. International office design institutions have entered China, and foreign architects are increasingly demanding the design task books provided by domestic developers. What are the design standards for office buildings? What are the design standards for Grade A and Grade B office buildings? The product design of office buildings in China presents a trend of refinement. International office design institutions have entered China, and foreign architects are increasingly demanding the design task books provided by domestic developers. What are the design standards for office buildings? What are the design standards for Grade A and Grade B office buildings?

The person in charge of Chengdu Branch of Savills International Property Service Co., Ltd., who participated in the formulation of office building design standards, said that the geographical location of top commercial office buildings should be in the core area where the business circle is relatively concentrated, and some areas should exceed 50,000 square meters. The standard details of office building design are as follows:

Building: Its part needs to exceed 50,000 square meters, and the building area of each floor must be kept at1500-2,000 square meters.

Frame: the lobby of the office building should be spacious, with more than three floors; Gaotai? 15cm； In addition to the platform, the floor clear height is more than 2.7 meters; The channel width is 2 meters or more.

Parking: according to the total construction area of the building, a parking space is set up every 1.50 square meters, and automatic charging system and anti-theft safety system are set up for special above-ground and underground parking lots.

Elevator: according to the total construction area of the building, the service area of each passenger elevator does not exceed 4000 square meters; The waiting time shall not exceed 30 seconds; Separation of passengers and goods, at least two freight elevators, equipped with advanced intelligent control system.

Security: property rights are only rented and not sold, and a single property right is implemented. ? The person in charge said that it needs 24-hour security service and maintenance service, as well as business support. The top-floor office building must also have a dedicated passage for goods and people with disabilities, and the occupancy rate shall not be less than 70% within 1 2 years after completion.

Design standard of Grade A office building

Elevator waiting time shall not exceed 40 seconds.

Building: Its part exceeds 20,000 square meters, and the construction area of each floor is not less than 1000 square meters.

1-2 years occupancy rate is not less than 65%.

Elevator: according to the standard, the elevator of Grade A office building should have high-grade decoration; According to the total construction area of the building, the service area of each passenger elevator does not exceed 5000 square meters; The waiting time shall not exceed 40 seconds; Separation of passengers and goods, with at least 1 freight elevator; There is a perfect and advanced intelligent control system.

Frame: The planning lobby of Grade A office building is spacious, with a height of more than three floors; Gaotai? 15cm； The clear height of floors except the platform is about 2.7 meters.

Parking: according to the total construction area of the building, one parking space is allocated for every150-200m2; Equipped with dedicated above-ground and underground parking lots; Underground parking lot should be equipped with automatic billing system and anti-theft safety system.

Design standard for Grade B office buildings

Provide maintenance service within 24 hours? At present, the occupancy rate of high-grade commercial office buildings in Chengdu has reached over 90%. ? From where? Six lines? The relevant person in charge of Jones Lang LaSalle Surveyor (Shanghai) Co., Ltd. Chengdu Branch said that the occupancy rate of Grade B commercial office buildings should not be less than 50%.

Building: its part exceeds 10000 square meters, and the net area of single floor is not less than 800 square meters.

Frame: The clear height of floors except the platform shall not be less than 2.5 meters, and a parking space shall be provided for every 300 square meters according to the total construction area.

Elevator: According to the total building area, the service area of each passenger elevator shall not exceed 6000m2, and the speed shall not be less than 3m/s. ..

Security: Property management should employ domestic property management companies or local property management companies to provide repair service and maintenance service within 24 hours.