Space Planning & Management / Space Inventory & Performance

Internal Gross Area (Concept)

drawing showing the extent of internal gross area

The internal gross area of a floor is measured to the inside surface of the external building wall. Archibus uses the internal gross area as the basis to derive all floor area calculations; therefore, you must represent internal gross area in each of your floor drawings.

How to Measure

The internal gross area of a floor is measured to the inside finished surface of the dominant portion of the permanent outer building walls

See Also

External Gross Area (Concept)

External Wall Area (Concept)

 

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