Thanks for the responses. I think I should have been a little clearer in
what I was looking for. My main concern is the UBC's stipulation that these
type of structures can be designed with a rho=1.0. I don't understand where
the redundancy in the cantilevered column system is. If it were to have to
be designed with a rho=1.5, then seismic would govern the design in my
Aaron J. Burkhardt, P.E.
KPFF Consulting Engineers