The estimation of materials in home decoration has always been a nerve-racking issue. After reading the following steps, it may help your decoration!
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The commonly used estimation methods are as follows:
(1) The floor, assuming a room with a length of 3.6m and a width of 3.3m, uses a floor of 90cm 9cm 1.8cm, and asks how many square meters of floor is needed. The measurement steps are as follows:
The first step is to determine the direction of the floor and use the direction of 3.6m as the longitudinal direction, so the floor needs to use the floor = 3.6 0.9 = 4 blocks.
In the second step, calculate the number of rows of floors to be used in the horizontal direction. Divide 0.09 by 3.3m. Then use landscape = 3.3 0.09 = 36.67 ≈ 37 pieces.
Note that if it is not exhausted, the carry method must be used, and rounding must not be done, but in the longitudinal direction it is less than half and half, and more than half is a piece.
The third step, calculate the total amount used: a total of floor = 37 4 = 148 blocks
The fourth step, calculate the total area: total floor area required = 148 0.9 0.09 = 11.918 m2
The fifth step is to calculate the total price of the material (floor) (assuming that the floor is 150 yuan/m2). The total floor price is =11.988 150=1798.20 yuan.
The sixth step, calculate the loss and loss rate
Floor loss = floor area - housing area
=11.988-3.6 3.3=0.108m2
Considering house construction errors (not rectangular but diamond-shaped), plus a row of four floors, total loss area.
0.108+4 0.9 0.09=0.432 m2
Loss rate 0.432 (3.3 3.6) = 3.6%
From this point of view, in general, the loss of the floor will not exceed 5% of this parameter, and it is very useful to control the cost of seeing the trap in the budget.
For the floor joists, there is a well-memorized calculation method, that is, if the 3cm 5cm according to the standard (each 30cm a file) arrangement, then the material is less than 0.01m3 per square meter (including loss, the actual 0.006m3), That is, 10m2 room is more than sufficient to use 0.1m3 wood for joists. If the joistwood is 830 yuan/m3, the joist material price per square meter is less than 8.30 yuan, plus other accessories, material 10 yuan/m. Enough, therefore, for the floor, its accessories can be estimated at 10 yuan / m2 (this method applies to Shanghai area, other areas can be calculated using 0.01 cubic meters of wood per square meter room).
(2) Floor tiles, because the price of floor tiles is not cheap, so like the floor, consumers must strictly control the loss. In the actual decorating, the tiles are often not covered in the kitchen and bathroom, and the bottom of the furniture is often not paved. Therefore, a better calculation method is to plot the parts to be paved with a ratio of 1:10 into drawings. , and then painted the place where the paving tiles were made, and then numbered them block by block, so that you can know how many bricks you use and which bricks are cut off from the same brick, such as on the wall, When the framing brick is less than one-half, then the two bricks are a whole brick. In this way, before the construction is started, the final laying results will be displayed so that the loss will be minimized and the budget will be more accurate.
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