D.C. Mun. Regs. tit. 11, r. 11-1324
The design requirements of §§ 1324.2 through 1324.16 shall apply to any lot in the HS Overlay District for which a building permit was applied after October 25, 2004.
Buildings shall be designed and built so that not less than seventy-five percent (75%) of the streetwall(s) to a height of not less than twenty-five feet (25 ft.) shall be constructed to the property line abutting the street right-of-way. Buildings on corner lots shall be constructed to both property lines abutting public streets.
New construction that preserves an existing façade constructed before 1958 is permitted to use, for residential uses, an additional 0.5 FAR above the total density permitted in the underlying zone district for residential uses.
In C-2 Districts within the HS Overlay District, a seventy percent (70%) residential lot occupancy shall be permitted.
For the purposes of this Section, the percentage of lot occupancy may be calculated on a horizontal plane located at the lowest level where residential uses begin.
For the purposes of § 1324.5, "residential uses" includes single-family dwellings, flats, multiple dwellings, rooming and boarding houses, and community-based residential facilities.
Parking structures with frontage on H Street, N.E., Florida Avenue, N.E., Maryland Avenue, N.E., 13th Street, N.E., 14th Street N.E., or 15th Street, N.E. shall provide not less than sixty-five percent (65%) of the ground level frontage as commercial space.
Each commercial use with frontage on H Street, N.E., Florida Avenue, N.E., Maryland Avenue, N.E., 13th Street, N.E., 14th Street, N.E., or 15th Street, N.E. shall devote not less than fifty percent (50%) of the surface area of the streetwall(s) at the ground level of each building to display windows having clear or clear/low-emissivity glass, except for decorative or architectural accent, and to entrances to commercial uses or to the building.
Security grilles shall have no less than seventy percent (70%) transparency.
Each commercial use with frontage on H Street, N.E., Florida Avenue, N.E., Maryland Avenue, N.E., 13th Street N.E., 14th Street, N.E., or 15th Street, N.E. shall have an individual public entrance directly accessible from the public sidewalk. Multiple-dwellings shall have at least one (1) primary entrance on H Street directly accessible from the sidewalk.
Buildings shall be designed so as not to preclude an entrance every forty feet (40 ft.) on average, for the linear frontage of the building, excluding vehicular entrances, but including entrances to ground floor uses and the main lobby.
The ground floor level of each new building or building addition shall have a uniform minimum clear floor-to-ceiling height of fourteen feet (14 ft.) if the building:
Buildings subject to § 1324.12 shall be permitted an additional 5 feet (5 ft.) of building height over that permitted in the underlying zone.
Projection signs shall have a minimum clearance of eight feet (8 ft.) above a sidewalk and fourteen feet (14 ft.) above a driveway, project no more than three feet, six inches (3 ft., 6 in.) from the face of the building, and end a minimum of one foot (1 ft.) behind the curbline or extension of the curbline.
Façade panel signs shall not be placed so as to interrupt windows or doors and shall project no more than twelve inches (12 in.) from the face of the building.
Roof signs are prohibited.
D.C. Mun. Regs. tit. 11, r. 11-1324