52-45 Non-Conforming Residential Uses in M1 Districts

In an M1 District, a #non-conforming residential use# occupying at least 50 percent of the #floor area# of a #building# which was #designed for residential use# and erected prior to December 15, 1961, may be #extended# on the ground floor level provided that no #dwelling unit# or #rooming unit# may be located on or below a #story# occupied by a #commercial# or #manufacturing use#. The total number of #dwelling units# or #rooming units# in the #building# may not be increased by more than one for each 400 square feet of #residential floor area# created by such #extension#.