Building means any new structure, renovated building, or addition which provides facilities or shelter for public assembly, educational, business, mercantile, institutional, warehouse, or residential occupancies, as well as those portions of factory and industrial facilities which are used primarily for human occupancy, such as office space, but not including any structure which has a consumption of traditional energy sources for all purposes not exceeding the energy equivalent of one watt per square foot.
107 Neb. Admin. Code, ch. 2, § 003