The difference between capacity area and building area

1, with different definitions, the floor area ratio refers to the sum of all the building areas for which the floor area ratio needs to be calculated, including usable area, building structure area and auxiliary area.

2. The scope is different. The floor area ratio refers to the above-ground building area where the floor area ratio needs to be calculated, and some underground building areas where property rights can be applied. The construction area is based on the capacity area, plus the construction area without capacity.

Surveying and mapping standard of building construction area

1, the construction area of all kinds of houses is the sum of the interior construction area of the house or the interior construction area of the unit and the shared area of the house.

2. The building area of the house is the sum of three building areas: the internal use area of the house, such as bedroom, living room, kitchen and children's room; The wall area of the house, including the wall separating the room, the wall separating the residents, the load-bearing wall, etc.; Elevator, staircase, corridor, garbage room, power distribution room, guard and other common parts of the house.

3. The surveying and mapping standard of the internal usable area of the house is: half of the walls with * * * are included in the wall area, and some self-occupied walls without * * * are calculated according to the comprehensive area of the horizontal projection area of the wall; The balcony is fully enclosed, calculated according to the total area of the horizontal projection area, and the balcony is calculated according to half of the projection area; The building area of each room is calculated and added according to the horizontal projection area.

4. Parking spaces, basements, carports and basements used for civil air defense projects in the residential area to which the house belongs are not included in the pool area, because some of these areas are requisitioned or used by profit-making sales individuals or countries.

5. Housing pool area refers to the pool area that belongs to the sum of residents' shared facilities area, including elevator construction area plus staircase construction area plus lobby construction area plus power distribution room construction area. Area calculation is based on horizontal projection area.