The american-concrete-institute (ACI) is referenced in the 1935-miami-dade-building-code as a key authority for concrete standards.
In 1935-Miami-Dade-Building-Code_p145_164, the ACI’s “tentative specifications for cast stone, Serial Designation P-3-A-29T” are cited for testing cast stone specimens (p. 150).
In 1935-Miami-Dade-Building-Code_p165_184, the code explicitly adopts “Building code requirements for reinforced concrete A.C.I. (American Concrete Institute) 318-47” as part of the building code regulations, specifically regarding allowable unit stresses in concrete (p. 175).
In 1935-Miami-Dade-Building-Code_p325_344, Ordinance No. 3703 (1949) amended Chapter 26 of the Building Code to adopt the aci-318-47 (ACI 318-47) dated September 1947 as the standard for reinforced concrete requirements (p. 336). This organization provides technical standards for concrete and masonry construction materials used in Miami-Dade.