What does “square meter” mean?
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On the drawings, the unit for fire dikes is given in meters; what does that mean? ? ?
\"Yanmi\" refers to \"extended meter\", and it is used to calculate or describe the volume of irregular strip-shaped or linear constructions. Such as pipeline length, curb length, slope length, trenching length, etc.; if there are double tracks, calculations should be done separately for each. The extended length is not uniform; it needs to be calculated separately for different projects and specifications, serving as a basis for determining the workload and the amount to be paid for the work.
This is a statistical unit used to represent the amount of work. It is used for calculating the volume of work in irregular projects such as pipelines, shorelines, and ditches, with the unit being ‘length in meters’. Extended meters can be used to express the volume of work for individual projects (with the same specifications), or they can represent the total volume of work for similar projects of a larger scale (with the same specifications). 1. In electrical specifications, this refers to the fact that cables and wires are installed in whole rolls during construction; they are not completely straight inside trenches or pipes, but rather have certain bends, which is why the term \"extended length\" is used. In piping, it refers to the length indicated on the drawings, without deducting the lengths due to deformation and settlement gaps or switch junction boxes. 2. In plumbing specifications, it refers to the length of the pipes as shown on the drawings, without deducting the lengths of valves, connectors, and fittings.
I somewhat understand; it means that the fire dike might not be straight, and it is curved in some areas. If the straight-line distance is used for calculation, it will be disadvantageous for the contractor. Is that the case? ? ? ? :)