Chapter 1. Understanding BIM

A great building must begin with the unmeasurable, must go through measurable means when it is being designed and in the end must be unmeasurable.

Louis Kahn

Building information modeling (BIM) is an emerging approach to the design, analysis, and documentation of buildings. At its core, BIM is about the management of information throughout the entire lifecycle of a design process, from early conceptual design through construction administration, and even into facilities management. By information we mean all the inputs that go into a building design: the number of windows, the cost of materials, the size of heating and cooling equipment, the total energy footprint of the building, and so on. This information is captured ...

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