The MacArthur — Los Angeles, CA
Seismic Safety for Order of the Elks
- 190,000 SF
- George Hopkins
- GC Park Plaza
- Blake Marvin
The MacArthur is a historic, 12-story building originally designed by renowned Art Deco architect Claud Beelman; it was built in 1924 as the Elks Lodge 99. The building originally was designed for the Benevolent and Protective Order of Elks, but as membership declined the building changed hands and for a time operated as a hotel, first known as the Park Plaza Hotel and later the MacArthur Hotel.
The Neo Gothic structure retains its vast ballrooms and banquet halls with original finishes. The building has dramatic ornamentation lining its unreinforced masonry-infilled walls and classic proportions, which is most often used now as an event venue and backdrop for movie sets. While the City of Los Angeles does not mandate strengthening of these unbraced heavy partitions, Holmes Structures educates building owners on their associated risks and can develop strengthening solutions to brace and/or secure partition walls.
Holmes Structures designed the full seismic retrofit of The MacArthur to satisfy the Los Angeles Non-Ductile Concrete Ordinance. For the retrofit design, Holmes Structures utilized a Performance-Based Engineering approach to minimize impact on the many historic components of this building and take full capacity of the existing structure, including a 2003 partial retrofit.
The MacArthur is designated as a Los Angeles Historic-Cultural Monument and is eligible to be listed on the national register.
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