Ahmanson Commons

The Ahmanson Commons is historic building constructed in 1903 and is located on a private college campus. The building includes a cafeteria and kitchen on the first floor, as well as offices and dorms on the second and third. The structure has an unreinforced masonry basement. The first floor of the building was modernized that included removing walls in order to make a large dining area for students and staff. The structural retrofit greatly improved the seismic performance of this historic building. The retrofit included steel and wood frames, shear walls, and the strengthening of the unreinforced masonry foundation.