[Added 7-9-1998 by Ord. No. 625]
In the case of a single-family detached or a two-family detached dwelling, there shall be two side yards, one on each side of the main building, neither of which shall be less than 10 feet wide, and together having an aggregate width of not less than 20 feet. In the case of a single-family semidetached dwelling, there shall be a side yard at least 10 feet wide. In the case of a single-family detached or semidetached dwelling, there shall be permitted in a side yard, within six feet of the side lot line, a one-story addition no larger than 52 square feet in total floor area or a one-story deck. If there is a one-story addition which extends to six feet of the side lot line, no additional projections pursuant to § 300-129B of the Zoning Ordinance are permitted.