a. At least 40 percent of the gross floor area of the average story within the building (total building gross floor area divided by the number of stories) is devoted to parking either within or under the building or within a separate parking structure;

b. At least 10 percent of the gross floor area of the average story within the building (total building gross floor area divided by number of stories) is devoted to externally oriented at-grade space for retail uses, eating and drinking establishments, recreation, culture and entertainment uses, personal services, and/or other similar businesses which are characterized by regular and frequent patronage during the course of the normal business day. “Externally oriented” for the purposes of this regulation shall mean having a door opening directly to the outside. This requirement may be reduced or waived by the community development director for individual buildings within multiple-building developments if it can be demonstrated to the satisfaction of the director that the total amount of the above-described space within the development would comprise at least as much space as the combined total of the minimum required amounts of such space for all of the individual buildings in the development.

a. The mandatory setbacks from any abutting R zoning, as set forth in BMC 12.14.070(D), shall be increased three feet horizontally for each foot of building height exceeding 35 feet. These increased setbacks shall apply to the entire building, rather than only to those portions of the building which may be higher than 35 feet. Where the property zoned R-AC, OP, CB abuts R zoning along a street, the increased setbacks shall be measured from the street property line of the property zoned R-AC, OP, CB.

b. The mandatory landscaping buffers adjacent to any abutting R zoning, as set forth in BMC 12.18.110, shall be increased 0.25 feet (three inches) for each foot of building height exceeding 35 feet, up to a maximum of 10 feet of additional landscaping. In such cases, the entire buffer shall consist of Type I landscaping.