How does a basement wall include a light well?
The projected area of the enclosed area of the outer wall.
According to the basement wall
As long as there is a roof, whether or not lighting, it is necessary to calculate the area. If there is no roof, not counting the area.
Implementation of the code for construction area calculation of building works (GB/T 50353-2013).The above specifications: "the building's interior staircase, lift shaft, lift well, pipe well, ventilation shaft, flue, shall be incorporated into the natural layer of the building to calculate the floor space.". A top light wells area should be calculated according to a layer, and the structure height is 2.10m and above, the whole area should be calculated; the structure height below 2.10m, the 1/2 area should be calculated."No cap is not counted.