In Urban Renewal Multiple Dwelling B (S) District, no building or premises shall be used, and no building shall be erected or altered, for other than one or more of the following uses:
A. 
Any use permitted in Urban Renewal Multiple Dwelling B (R) District, such uses being subject to all regulations pertaining to said Urban Renewal Multiple Dwelling B (R) District (Article VIII, §§ 340-28 through 340-36).
B. 
Single- or two-family attached dwellings, subject to the specific regulations as listed herein (§§ 340-38 through 340-45, this article).