How do the outdoor stairs settle the area?
3. Building area is calculated by the axis area or by the wall area, or by the outer care area calculation ah? Building area = within the area + pool area. Except for half of the wall, all sets and the pool area is divided into the wall center line, many wall center line and axis coincide, some do not coincide. The outer half wall area is allocated to each household as a booth
2. Balcony: (1) excluding area: no balcony on the balcony; balcony cover more than one natural layer above, as no cover; balcony cover in the envelope Projection area less than one-half, as no cover. (2) the semi-area: the unclosed balcony, the cover in the balcony envelope horizontal projection area is greater than half the area of ??the balcony, according to the cover in the envelope of the horizontal projection area of ??half of the calculation of building area. (3) the total area: closed balcony, the cover is located in a layer of high, calculate the full area.
1. Stairs: (1) indoor stairs: according to the natural area of ??the building area, roof staircase for the staircase area. 3-storey stairs for the 1-3 layer of each floor stairs area and. (2) outdoor staircase: no roof of the outdoor stairs for the N-1.5 layer, with a roof of the outdoor staircase for the N-1 layer. (There are differences in the way of calculation)
