A. 9 structural area is the total area of the walls, columns on the ground (cross-section). Area the following parts are included in the structural area:a bearing Wall or not) bearing, walls, partitions, columns;b) threshold, travels bậu window types;c) the chimney, the pipe, pipes, electricity, water and other technical pipes including pipe and crush into a tube section;d) The wall niches, the gaps between the two rooms (not fitting the door) with a width smaller than 1, 50 m and the height is smaller than 1, 90 m.Comment: an area of texture is determined by taking the background area (floor) of the floor minus the area in extra area, area of floor traffic. If is a floor (ground floor), the key is building area minus the area in extra area, an area of traffic.A. 10 other area is the total area of the room or not used to in that just taking on the functions of the House used as: eat, drink, refreshment, cut hair, retail shops, parking, public laundry room ...A. construction area 11 is calculated according to the size of the outer wall coating, sheltered colonnades, stairs outside the House, steps, walkways, doors, lôgia, Sun.NOTES: construction area by the total area in the area, the area of transport, the structural area and other area of a floor.A. 12 Block area of housing construction is calculated by the total area of the building at an elevation of ± 0.000 (on the ground) and below that altitude (below ground).
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