How to measure the height of a house to meet the national standards?

1, external wall height: if there is no cornice ceiling on the sloping (sloping) roof, it shall be calculated to the bottom of the roof panel; If there is a roof truss with a ceiling inside and outside, it is counted as the bottom of the lower chord of the roof truss, plus 200 ㎜; If there is no roof, it should be calculated to the bottom of the lower chord of the roof truss, plus 300㎜. When the cornice width exceeds 600㎜, it shall be calculated according to the actual masonry height; Flat roof is calculated to the bottom of reinforced concrete roof slab.

2. Height of interior wall: if it is located in the lower chord of roof truss, its height shall be calculated to the bottom of roof truss; If there is no roof truss, add100 ㎜ at the bottom of the ceiling; There is a reinforced concrete floor sandwich, which is counted as the bottom of the board; When there is a frame beam, it is counted as the bottom of the beam.

3. The inner and outer gables are calculated according to their average height.

First, calculate the scope of the building area.

1, regardless of the height of single-storey building, the construction area is calculated as one floor. The bearing capacity of the building area wall (including crib) is calculated according to the peripheral horizontal area of the structure above the external wall of the building; Column support (including frame) is calculated according to the area of column edge outsourcing. When a single-story building has several floors and the height exceeds 2.2m, the construction area of the first floor has been included in the single-story building, and the construction area of the second floor and above should be included. When it is necessary to calculate the construction area separately for high-and low-span single-story buildings, it should be calculated separately with the outer contour line of the high-span structure as the boundary.

2. The construction area of multi-storey buildings is calculated according to the sum of the construction areas of each floor. The construction area of the first floor is calculated according to the horizontal area of the periphery of the structure above the external wall, and the second floor and above are also calculated according to the horizontal area of the periphery of the structure.

3. If the structure and floors of the same building are different, the construction area can be calculated separately if necessary.

4 basement, semi basement, underground workshop, warehouse, shop, station, underground headquarters and other construction areas. The corresponding entrances and exits shall be calculated according to the horizontal area of the outer wall of its upper mouth (excluding light wells, moistureproof layers and their protective walls).

5. When the buildings on the slope are designed and utilized with hanging feet as overhead floors, if the height of the buildings exceeds 2.2m, the construction area shall be calculated according to the horizontal area of the periphery of the enclosure structure.

6. The passage through the building, the foyer and hall of the building, regardless of their height, should be calculated as one floor. When there is a corridor in the lobby, the construction area should be calculated according to the horizontal projection area of the natural ground.

7. The construction area of indoor stairwell, cross-floor escalator, elevator shaft, elevator shaft, garbage tunnel and pipeline shaft is calculated according to the natural floor.

8, stacks, three-dimensional warehouse has a structural layer, according to the structural layer to calculate the construction area.

9. The building area of the stage lighting control room with envelope structure is calculated by multiplying the horizontal area of envelope structure by the number of floors.

10. When the height of equipment pipeline layer and storage room in the building exceeds 2.2m, the construction area shall be calculated.

1 1. Stairwells, water tanks, elevator machine rooms, etc. If the protruding roof has a retaining structure and the height exceeds 2.2m, it shall be calculated according to the horizontal area around the retaining structure. When designing and using the building space in the sloping roof and under the stadium stands, the building area should be calculated as the horizontal area of the part with a clear height exceeding 2.1m.

12. Outside the building, there are a door bucket, an observation room, a waiting elevator room, a floor-to-ceiling window with a height greater than 2.2m, a closed balcony, a pick-up corridor, a corridor, etc. The construction area should be calculated according to the horizontal area around the building envelope.

13, awnings with columns, carports, sheds, platforms, roof pavilions, etc. , the construction area is calculated according to the horizontal area of the column periphery or half of the projected area of the top cover, whichever is greater; Independent sunshade, carport, cargo shed, platform, gas station, etc. Roof with or without envelope structure, the construction area is calculated by half of the horizontal projection area of the roof. If the overhanging awning protrudes more than 2. 1m from the wall, the construction area shall be calculated as half of the horizontal projection area of the overhanging wall.

14, there are columns, roof corridors and eaves galleries outside the building, and the construction area is calculated according to the horizontal area of the outer edge of the column; The construction area of covered corridors and eaves corridors is calculated according to half of the projected area of the top cover. The construction area of concave balcony, semi-concave semi-cantilever balcony and cantilever balcony is calculated according to half of its horizontal projection area. Among them: concave balcony, semi-cantilever balcony and semi-concave balcony, where the vertical depth from the outside of the balcony is greater than 1.5m, the excess area will not be converted. If there are floors and fences at the bottom of balcony, verandah and eaves gallery, the construction area can be calculated according to half of its horizontal projection area. For overhead corridors with roofs between buildings, the construction area shall be calculated according to the horizontal projection area of the corridor structure. If there are floors and fences at the bottom of the overhead corridor, the construction area shall be calculated according to half of the area outside the fence.

15, outdoor staircase, the construction area is calculated according to the sum of the projected areas of the natural layer.

Second, do not calculate the scope of the construction area

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2. Outdoor ladders for maintenance and fire fighting.

3.2.2m Equipment pipeline layer, storage room, deep foundation overhead layer and cantilever scaffold overhead layer not used in the design within the scope of m height.

4. Operating platform, feeding platform, installation box or tank platform in the building; Roof water tank, flower stand and gazebo without enclosure structure; Stadium stands, elevated corridors, terraces, etc. No permanent roof.

5. Independent chimneys, flues, ditches, oil (water) tanks, gas holders, water towers, oil (water) storage tanks, silos, trestles, underground civil air defense passages and other structures.

6. The single-story room is separated by a single-story building, with curtains, scenic overpasses and platforms hanging on the stage and backstage.

7. Design the building space of the sloping roofs and spectator stands of the venues that are not used or whose clear height is within 2.1m..

8. Deformation joints, corridors, non-French windows, etc. Between buildings that are not connected to buildings.

Third, others.

1. Where buildings and structures are integrated, the part belonging to buildings shall be calculated according to the relevant provisions of these Detailed Rules.

2, these rules apply to the calculation of the construction area of the above-ground and underground buildings.