606.1 A minimum required rear yard of twenty feet (20 ft.) shall be provided in the StE-10, StE-14A, and StE-14B zones.

606.2 No part of a building within the StE-6, StE-13, and StE-16 zones shall project above plane drawn at a forty-five degree (45°) angle from a line located seventy-five feet (75 ft.) directly above the eastern property line that abuts the ravine.

SOURCE: Final Rulemaking published at 63 DCR 2447, 3176 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 63 DCR 10932 (August 26, 2016).