A system used to estimate construction costs. It may also refer to software or programs.
In the basic planning or basic design stage, when the shape and specifications of the building have been studied to some extent, the rough estimate system automatically creates a breakdown report and calculates the construction cost from a program based on region, use, shape, grade, and other factors.
Generally, shape information is imported into the system from CAD or other sources, and construction costs are calculated by inputting the necessary information into the system based on the drawings and planning outline.
One feature of the rough estimate system is that it not only reduces the time and effort required for calculating construction costs, such as picking up quantities, determining unit prices, and making various judgments, but it also supports simulations when the shape or grade is changed.
Since the basic concept of calculating construction costs is the approximate quantity method, the approximate quantity method and set unit price differ depending on the system, and the obtained breakdown structure and the accuracy of the calculated construction costs also differ.
In recent years, the introduction of BIM (Building Information Modeling) has been accelerating in construction projects, and the use of an estimate system that calculates construction costs in conjunction with the building information in the BIM model has been emerging in practice.
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