1. Get a detailed standard floor or home floor plan
Only based on detailed residential floor plans, measurements and calculations can be easily and accurately measured. The main data that should be included in the plan include the size of each room's axis (the size of the wall between the inherited heavy wall or column) and the total size of the outer wall (two dimensions), and the area of ​​use of each room. . Most homes are on the standard floor, so measurements and calculations are based primarily on standard floor drawings and areas. If the residence is located on a special floor, such as the ground floor and the top floor, buyers will use the drawings of the floor where they measure and calculate the residential area. These drawings can require real estate developers to provide, if the real estate developers do not even provide these drawings, then the area of ​​the house he delivered may have problems.
2, the use of measuring area in the field
In order to ensure the accuracy of the measurement, it is necessary to pay attention so that the measurement position is 1-1.2 meters above the ground. As the house is delivered, the inner wall has been plastered and the thickness of the plastering surface is generally 2-3 cm. Therefore, the size obtained from the internal measurement of the room should be calculated by adding the thickness of the screed. If the house has been renovated, it will be added with the thickness of the decoration to calculate the area within the suite.
For a standard floor dwelling, due to the relatively regular shape of the room, there is generally no problem with the measurements. For the top floor or other irregular rooms, according to the standard of the area used within the suite, the area to be added and the area to be removed should be removed.
3, measure and calculate the building area
After measuring the area of ​​use within the suite, the building area within the suite must also be calculated and the building area of ​​the balcony must be measured. The method of measuring the floor area of ​​a balcony is basically the same as the method of measuring the area of ​​use, but care must be taken to distinguish between different types of balconies. The calculation formula is as follows: The building area within the set = the use area within the set + the area of ​​the inner wall of the cover + the floor area of ​​the balcony
1) When the load-bearing wall is a brick wall, the structural thickness is 24 cm, the thickness of the external wall structure in cold regions is 37 cm, and the thickness of the concrete wall structure is 20 cm or 16 cm. The thickness of the load-bearing wall is 12 cm, 10 cm, and 8 cm. Wait.
2) The axis is located in the middle of the wall, and each side is half a wall thickness. The specific thickness of each wall is indicated on the drawings.
3) For non-utility walls, the floor total count should be included in the building area within the suite, and the common wall should be included in the total building area within the suite.
Example: A home buyer in the course of the measurement, the side of the song to prevent rectangular length 519 cm, width 374 cm; drawings on the four walls of the interior surface of the plaster thickness are 3 cm; one side of the room wall (width 374 cm) is not The shared wall has a total thickness of 37 cm. The remaining three walls are all shared walls. The total thickness is 24 cm. In addition, the room has a pick-up balcony (bottom balcony) for the working wall, and its area is 2.8 bungalows.
With the actual measurement of moral data by home buyers, it is possible to calculate the in-building surface of the room.
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