You might consider adding screw anchor tiebacks to straighten the wall and then adding a concrete wall to the inside of the CMU wall. You would not have to take everything down that way. You did not say what the slope looks like behind the wall. Just a thought.
In order to include the P-delta effects per the 1997 UBC Section 1630.1.3, you need to multiply the story shears by an amplification factor. I am studying dynamic analysis with Alan Williams book - Seismic Design of Buildings and Bridges and his example uses the maximum nodal forces from a...
Another published paper is "Monotonic Tests of Cold-formed steel shear walls with openings" prepared for The U.S. Department of Housing and Urban Development Office of Policy Development and Research, Washington D.C. by NAHB Research Center, Inc. Upper Marlboro, MD Copyright 1997 by...
