Old LA County Hospital had 3000 beds in 1950s. By 1960s down to 1200. New building 600 beds. Old bldg “unsafe” but still used for offices. Wards & rooms could have been restored in months. Expandable bldg key to disasters, epidemics. Can be vertical with unused floors, like this one, or horizontal with unused wards, like World War 2 Army hospitals.
en.wikipedia.org/wiki/LAC%2BUSC