Prior studies of this mid-1960’s concrete frame structure recommended extensive seismic rehabilitation work that would have caused great expense to the building owners and inconvenienced tenants. Based on our analysis, we identified a single, significant deficiency in the structural system that could be resolved with minimal expense and no tenant disruption. Our firm developed a physical testing program to test a full-scale model of the beam-column joint to validate our assumptions. Our testing also enabled us to estimate the amount of damage that would be sustained by these buildings under different assumed earthquakes, significantly reducing the PML estimate developed using generally assumed building response.