A foundation plan is a detailed architectural drawing that shows the construction and design of the foundation of a building. It typically includes information on the type of foundation (e.g. concrete slab, crawl space, basement), dimensions of the foundation, the layout of the footings, and the type of materials that will be used. The foundation plan is an essential component of the overall building plan as the foundation provides the structural support for the entire building. It is often prepared by a licensed structural engineer or architect.
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