(1) Because twin homes are attached on a building pad line, dwellings shall be designed, granted building permits, and built in pairs.

(2) A masonry wall or approved decorative fence or hedge may surround each pair of lots in accordance with the fencing provisions set forth in this Chapter. A wall, hedge, or decorative fence may include front and rear yard dividers. A rear yard may be divided by a sight obscuring fence, wall, or hedge.

(3) Each side of a twin home shall be separately metered for water and power. Building drains shall be separate as they leave the structure.