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Is there any specification for calculating floor area in Sichuan province
Code for Calculation of Building Area

Construction Engineering

Scope of Calculation of Building Area

1.

The building area of a single-storey building shall be calculated on the basis of the horizontal area of the structural periphery of the building above the footing of the external wall; those with heights of

2.20m

and above shall be calculated on the basis of the full area; those with heights of less than

2.20m

shall be calculated on the basis of the 1/2

area. 2.20m

should be calculated

1/2

area.

2.

The floor area of a single-storey building shall be counted as the full area of the part of the building whose net height exceeds

2.10m

when utilizing the space inside a sloping roof;

the area of the part whose net height is between

1.20m

and

2.10m

shall be counted as the full area of the building. >1/2

area; parts with a clear height of less than

1.20m

should not be counted in terms of face

area.

3.

Single-story buildings with partial floors, partial floors of the second floor and above, with the enclosure should be calculated according to its enclosure

enclosure structure peripheral horizontal area, no enclosure should be calculated according to the horizontal area of the structural floor. The floor height of

2.20m

and above shall be calculated as the full area; the floor height of less than

2.20m

shall be calculated as

1/2

area.

4

. The first floor of a multi-storey building shall be calculated on the basis of the horizontal area of the structural periphery above the foot of its external wall; the second floor and above shall be calculated on the basis of the horizontal area of the structural periphery of its

external wall. The full area shall be calculated for those with a floor height of

2.20m

and above; and the area shall be

calculated

1/2

for those with a floor height of less than

2.20m

.

5

.

Inside the sloping roofs of multi-storey buildings and under the bleachers of the venues, the full area shall be calculated

where the net height exceeds

2.10m

when it is designed to be utilized, and the area shall be calculated

1/2

when the net height is between

1.20m

and

2.10m

. p>

Area; when the design is not utilized or the clear height of the interior is less than

1.20m

the area should not be calculated.

6

. Basement, semi-basement (workshop, store, station, garage, warehouse, etc.), including the corresponding entrance and exit with a permanent roof

, should be calculated according to the horizontal

area surrounded by the outer boundary line of the opening on the exterior wall (excluding light wells, moisture-proofing layer of the exterior wall and its protective wall). Floor height in

2.20m

and above should be calculated full area; floor height less than

2.20m

should be calculated

1/2

area.

7

. Slope of the building foot elevated floor, deep foundation elevated floor, designed to be utilized and have an enclosure structure, the floor height of

2.20m

and above should be calculated full area; the floor height of less than

2.20m

should be calculated

1/2

area. Designed to be

utilized, no enclosure structure of the building feet overhead, should be calculated according to its use of the horizontal area of the part of

1/2

; design is not conducive to

use of deep foundation overhead, sloping feet overhead, multi-storey buildings within the sloping roof, the arena under the bleachers of the space should not be calculated

area.

8

. Foyer of the building, the hall according to a floor to calculate the floor area. When there is a corridor in the foyer hall, it should be calculated according to the horizontal area of its structural floor

. The floor height of

2.2m

and above should be calculated as the full area; the floor height of less than

2.2m

should be calculated as the

1/2

face

area.

9

. Overhead corridors between buildings with an enclosure shall be calculated on the basis of the horizontal area of the periphery of their enclosure. Floor height in

2.20m

and above should be calculated in full area; floor height less than

2.2m should be calculated 1/2 area. If there is a permanent roof without enclosure structure

it should be calculated according to the horizontal area of its structural floor

1/2

.

10. three-dimensional bookstore, three-dimensional warehouse, three-dimensional garage, no structural layer should be calculated according to a layer, there are structural layers should be calculated according to its structure

structural layer area respectively. Floor height of 2.20m and above should be calculated full area; floor height of less than 2.20m should be calculated 1/2 area.

11. Enclosure structure of the stage lighting control room, should be calculated according to its enclosure peripheral horizontal area. Floor height in

2.20m and above should be calculated in full area; floor height is less than

2.20m

should be calculated 1/2 area.

12. Building outside the enclosure structure of floor-to-ceiling windows, doors, picket corridors, corridors, cornices, should be calculated according to its enclosure structure peripheral

horizontal area. Floor height of 2.20m and above should be calculated full area; floor height of less than

2.20m

should be calculated 1/2 area. If there is a permanent roof without enclosure structure, it should be calculated according to 1/2 of the horizontal area of its structural base plate.

13. There is a permanent roof without the enclosure of the arena stands should be calculated according to its roof 1/2 of the horizontal projected area.

14. The top of the building has a protective structure of the stairwells, water tanks, elevator rooms, etc., the floor height of

2.20m and above should be calculated as a full area; floor height of less than 2.20m should be calculated as 1/2 of the area.

15. There is an enclosure structure is not perpendicular to the horizontal plane and beyond the outer edge of the base plate of the building, should be calculated in accordance with the peripheral horizontal

area of the base plate surface. Floor height of 2.20m and above should be calculated full area; floor height of less than 2.20m should be calculated 1/2 area.

16. Indoor stairwells, elevator shafts, sightseeing elevator shafts, lift shafts, pipe shafts, ventilation shafts,

garbage paths, wall chimneys should be calculated according to the natural layer of the building.

17. Canopy structure of the outer edge of the line to the outer edge of the outer wall structure of the width of more than 2.10m, should be calculated according to the canopy structure of the horizontal

projected area of 1/2 of the plate.

18. Outdoor stairs with permanent roof shall be calculated according to the horizontal projected area of the natural floor of the building

1/2

.

19. The balconies of the building should be calculated according to its horizontal projected area of 1/2.

20. There is a permanent roof without enclosure structure of the carport, cargo sheds, platforms, gas stations, toll booths, etc., should be calculated according to its roof 1/2 of the horizontal projected area.

21. High and low span of the building, should be high across the structure of the outer boundary of the line were calculated building area; high and low span of the internal connection

pass, the deformation joints should be calculated in the low span area.

22. Buildings with curtain walls as the enclosing structure shall calculate the floor area according to the outer boundary of the curtain walls.

23. If there is a heat insulation layer on the outer side of the outer wall of the building, the floor area shall be calculated according to the outer edge line of the heat insulation layer.

24. The deformation joints in the building, should be calculated according to its natural layer combined in the building area.

Scope of non-calculation of floor area

1. Building access (the ground floor of the riding floor and street crossing).

2. The mezzanine floor of the equipment pipes in the building.

3. Separated single-story rooms in the building, the stage and backstage hanging curtains, scenery catwalks, picket and so on.

4. Roof tanks, trellises, pergolas, terraces, open-air swimming pools.

5. Operation platforms, loading platforms, platforms for installing boxes and tanks in buildings.

6. Le foot, attached to the wall columns, stacks, steps, wall plaster, decorative surfaces, veneer block surfaces, decorative curtain walls, air conditioning room

outside the machine shelves (boxes), floating windows, components, accessories, width of

2.10m and less than the awning, and with the building is not connected to the decorative balcony, gallery.

7. No permanent roof of the overhead corridors, outdoor staircases and outdoor steel staircases for maintenance, firefighting, etc., climbing.

8. Escalators, moving walkways.

9. Independent chimneys, flues, gutters, oil (water) tanks, gas cabinets, water towers, oil (water) storage tanks, storage silos, trestle bridges, underground

under the human defense channel, subway tunnels.

Antique architectural engineering

Calculation of the scope of the building area

1. single-story building regardless of the number of eaves and height, are calculated according to a floor of the building area; where there is a platform for the Ming on the

side of the periphery of the level of the area of the calculation; no platform for the Ming has a perimeter of the enclosure structure by the perimeter of the perimeter of the structure of the level of the area of the outside of the periphery of the calculation; enclosure junction

structures outside of the eaves, columns, frame columns. Corridor columns, frame columns, according to the columns outside the line of the horizontal area; no enclosure, according to its frame columns outside the

line of the horizontal area.

2. General steps if the ancient building reached the edge of the platform Ming

(height greater than or equal to 500mm), according to the platform Ming peripheral horizontal area of the upper edge of the calculation of floor area; if only a general corridor without columns and gable corridors, corridors and gable corridors, according to the provisions of the "calculation of one half of the floor area". Corridor and gable corridor provisions are as follows: pick out of the wall as the main traffic corridor for the pick corridor, pick corridor under the ground floor or under the elevated corridor under the ground floor of the corridor as the main traffic corridor, and the height of the edge of the step is greater than 400mm known as the corridor, single-storey buildings under the eaves of the edge of the step as the main channel and the height of the edge of the step is greater than 400mm of the corridor known as the gable corridor.

3. floor demarcation of two-storey or multi-storey buildings, regardless of the number of eave layers, according to the natural structure of the layer level

The total amount of floor area calculation. The first floor of the building area calculation method is divided into two kinds, without platform, according to the above single-storey building

things calculated by the building area calculation method; two and two or more floors above the floor area calculation method, according to the above single-storey building without

main building building area calculation method implementation.

4. Single-storey building or multi-storey building of the two natural structures between the floors of the local floor, according to its horizontal projection area calculation

building area.

5. Watchtower-style buildings within the watchtower without floor demarcation of a floor area, watchtower floor demarcation of a cumulative calculation of floor area according to

decker. Single-story towers and multi-storey towers the first floor of the Taiwan Ming perimeter of the horizontal area calculated according to the Taiwan Ming

building area, no Taiwan Ming perimeter of the horizontal area of the bottom surface of the enclosure calculated according to the building area. Multi-storey platform of the second floor and the second floor

Above the perimeter of the enclosure floor horizontal area calculated according to each layer.

6. Not solid brick tower, stone tower, wooden tower and concrete antique tower building area according to the towers of the building surface

provisions.

7. Two-story or multi-story building frame columns outside the enclosure decoration or fence picket part, according to the frame columns outside the line to the picket

peripheral line between the horizontal projection of the area of

1/2 calculation of floor area.

8. Sloping buildings, waterfront buildings or across the first floor of the horizontal building frame columns outside the picket fence part, according to the frame

columns outside the line to the picket peripheral line between the horizontal projection of the area of 1/2 calculation of the building area.

The scope of not calculating the floor area

1. There is a single-storey or multi-storey building in the column door cover, window cover, canopy, eaves, no enclosure of the picket, platform and so on.

2. Without the platform Ming building or multi-storey building of the second floor and above the protruding wall or frame columns outside the outer edge of the line of the part, such as Edward

stacks, window hoods, and so on.

3. pagoda, solid or semi-solid brick, stone tower; towers (buildings) platform without enclosure.

4. Structures: platforms, ring mound platforms, city platforms, courtyard walls and accompanying wall doors, trellises and so on.