A minimum required side yard of twelve feet (12 ft.) shall be provided in the SEFC-4 zone.
No side yard is required for any building or structure located entirely on, over, or in the water. If a side yard is provided, its minimum width shall be at least five feet (5 ft.).
Any building or structure located in whole or in part on land shall provide a side yard on each side of twelve feet (12 ft.) minimum.
D.C. Mun. Regs. tit. 11, r. 11-K233