The objective of the Mount Vernon Triangle Principal Intersection Sub-Area is to require uses and building design that provide a focal point for food and beverage, entertainment, and accessory uses in the Mount Vernon Triangle.
The Mount Vernon Triangle Principal Intersection Sub-Area generally comprises the square-shaped area measuring seventy-two feet (72 ft.) on a side on each of the four (4) corners of the intersection of K and 5th Streets, N.W in Squares 483, 484, 515, and 516, where two (2) designated primary street segment sides are contiguous with the property lines adjacent to each corner of the intersection, as indicated in Figure I § 612(a): Illustration of the Mount Vernon Triangle Principal Intersection Sub-Area and Designated Street Segments and Figure I § 612(b): Illustration of the Mount Vernon Triangle Principal Intersection Sub-Area Corners and Modules.
FIGURE I § 612(a): ILLUSTRATION OF THE MOUNT VERNON TRIANGLE PRINCIPAL INTERSECTION SUB-AREA CORNERS AND MODULES
FIGURE I § 612(b): ILLUSTRATION OF THE MOUNT VERNON TRIANGLE
The designated street segments and property within the Mt. Vernon Triangle Principal Intersection Area Sub-Area includes the following:
The portion of a building within the Mt. Vernon Triangle Principal Intersection Area Sub-Area is subject to the following height regulations in addition to those governing the property's zone districts:
TABLE I § 612.4: MAXIMUM PERMITTED BUILDING HEIGHT
Module | Maximum Height | Minimum Clear Floor-to Ceiling Height |
A | Except in Square 515, no higher than 50 ft. above grade | 22 ft. |
B & C | No more than 50% of the portions of a building within each of the B and C modules shall be more than 50 ft. above grade | 22 ft. for at least 50% of its ground floor |
D | As permitted by zone | 14 ft. |
With the exception of a building that is a designated historic landmark or that is included within a historic district, the portion of a building within the Mt. Vernon Triangle Principal Intersection Area Sub-Area is subject to the following streetwall design regulations in addition to those governing the property's zone district and designated primary street classification:
Roof terraces, whether open to the sky or covered with awnings or canopies, that are atop the portions of a building within the A, B, or C modules, as defined in Subtitle I § 612.2, shall not be included in the maximum floor area ratio calculations.
Within the boundaries of the sub-area, a building shall dedicate one hundred percent (100%) of its ground floor and mezzanine to uses permitted on designated primary streets by Subtitle I § 601, with at least fifty percent (50%) of that area being devoted to one (1) or more of the following uses:
At least forty percent (40%) of the linear frontage of the ground floor and mezzanine fronting on a designated primary street within the sub-area shall be devoted to a use required by Subtitle I § 612.7.
D.C. Mun. Regs. tit. 11, r. 11-I612