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After hanging the ceiling, the net height is 3950mm, and the gypsum board specification is 600*600.
According to the provisions of the national standard "Code for Real Estate Surveying" GB T17986-2000, half of the construction area of an unenclosed balcony is calculated, and you should ask the real estate surveying and mapping unit of the building in this case.
This is the floor plan of the knot, the size of the window in the toilet room, 900mm wide and 1200mm high.
Upstairs, do you think he's going to have a quota book... I don't know the specific calculation of the dustproof area. But it should be about the same as the floor and ceiling area.
On the figure, you can see that there are two light pools, one is one is, and the dots are the reserved holes for installing the lights. The edge of the lamp pool is decorated with plaster lines to add a sense of layering and luxury.
Design elevation of the ceiling surface: the net height from the ground plane to the ceiling surface after decoration.