Hualapai Nation Health & Wellness Gabby Medical, Structural September 4, 2020October 22, 2020Autoclaved Aerated Concrete (AAC) Structural Design & Drafting Approx. 10,500 SF Health and Wellness Building. Peach Springs, Arizona Construction – Autoclaved Aerated Concrete (AAC) masonry block walls, prefabricated wood roof trusses, and conventional concrete spread footings.