C1-1 C1-2 C1-3 C1-4 C1-5 C1-6 C1-7 C1-8 C2-1 C2-2 C2-3 C2-4 C2-5 C2-6 C2-7 C3 C4-1 C4-2 C4-3 C4-4 C4-5 C6-1 C6-2 C6-3

In the districts indicated, except for C1 or C2 Districts when mapped within an R10 District, in accordance with the provisions of Sections 34-11 or 35-21 (General Provisions), not more than 50 percent of the required open space on any zoning lot with a building containing residences may be used for driveways, private streets, open accessory off-street parking spaces or open accessory off-street loading berths.