What does the term "planned design" refer to in construction?

The term "planned design" in construction refers specifically to the concept of the original framework and specifications established during the design phase. It emphasizes the intent behind the construction plans before any alterations or changes occur during the actual building process. Therefore, "as-built construction despite proposed changes" aligns closely with the idea that the original design plans might have experienced deviations during construction, but the planned design represents the intended layout, specifications, and uses that were initially set forth.

This understanding is crucial, as it helps to distinguish between what was originally envisioned in the design documentation and what may result from on-site modifications or unforeseen circumstances during construction. As such, recognizing the distinction between the planned design and the final structure (which may not fully represent the intended design) is essential for architects, builders, and fire investigators to assess compliance, safety, and functionality effectively.