Nev. Admin. Code § 452.010 - "Class A construction" defined
As used in this chapter, a "Class A construction" means a building for which the stress of all external or internal loads or strains is transferred to the foundation by a reinforced concrete frame or by a skeleton or framework of steel, and the columns, beams and girders are riveted to each other at their respective junctures. Buildings not more than 25 feet in height and constructed of granite or marble will be considered Class A construction when they fulfill the provisions of this chapter.
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