510. DESIGN REQUIREMENTS FOR DESIGNATED STREETS (CG)

DESIGN REQUIREMENTS FOR DESIGNATED STREETS (CG) The following design requirements shall apply to the portion of a building or structure with frontage on designated streets as noted: M Street, S.E. or S.W.: The streetwall of each new building shall be set back for its entire height and frontage along M Street not less than fifteen feet (15 ft.), measured from the face of the adjacent curb along M Street, S.E.; The ground floor shall have a minimum clear floor-to-ceiling height of fourteen feet (14 ft.), for a continuous depth of at least thirty-six feet (36 ft.) from the building line on the primary street. The ground story shall devote at least fifty percent (50%) of the surface area of to display windows or pedestrian entrances having clear low-emissivity glass, and ensure that the view through the display windows and pedestrian entrances is not blocked for at least ten feet (10 ft.) from the building line; Ground floor pedestrian entrances, or areas where a future ground floor entrance could be installed without structural changes, shall be located no more than an average distance of forty feet (40 ft.) apart on the façade facing the primary street. In no case shall there be fewer than one (1) door; and No vehicular garage or loading entrance or exit shall be permitted to a building or structure constructed after February 16, 2007, unless otherwise required by the District Department of Transportation, or permitted by the Board of Zoning Adjustment as a special exception evaluated according to Subtitle X, Chapter 9; South Capitol Street: Each new building or structure located on South Capitol Street shall be set back for its entire height and frontage not less than fifteen feet (15 ft.), with the exception of a: Buildings within Square 651; and Replacement of an existing row dwelling; or Vertical addition to an existing row dwelling, not extending out into the South Capitol Street right-of-way and not exceeding fifty percent (50%) of the gross floor area of the original row dwelling; A minimum of sixty percent (60%) of the street-wall shall be constructed on the setback line, with the exception of: Buildings within Square 651 where a minimum of sixty percent (60%) of the street-wall shall be constructed to the South Capitol Street property line; and Replacement of or an addition to an existing row dwelling within Squares 653 or 655; Any portion of a building or structure that exceeds one hundred and ten feet (110 ft.) in height shall provide a one-to-one (1:1) step-back from the building line along South Capitol Street; and No vehicular garage or loading entrance or exit shall be permitted to a building or structure constructed after February 16, 2007, unless otherwise required by the District Department of Transportation (DDOT), or permitted by the Board of Zoning Adjustment as a special exception evaluated according to Subtitle X, Chapter 9. Half Street, S.E.: Any portion of a building or structure that exceeds sixty-five feet (65 ft.) in height shall provide a minimum step-back of twenty feet (20 ft.) in depth from the building line along Half Street SE; provided that the Zoning Commission may grant relief pursuant to Subtitle X from this requirement, to a maximum of fifteen feet (15 ft.) in height and eight feet (8 ft.) in depth, for the provision of reasonable building footprints; The ground floor shall have a minimum clear floor-to-ceiling height of fourteen feet (14 ft.), for a continuous depth of at least thirty-six feet (36 ft.) from the building line on the primary street. The ground story shall devote at least fifty percent (50%) of the surface area to display windows or pedestrian entrances having clear low-emissivity glass, and ensure that the view through the display windows and pedestrian entrances is not blocked for at least ten feet (10 ft.) from the building line; Ground floor pedestrian entrances, or areas where a future ground floor entrance could be installed without structural changes, shall be located no more than an average distance of forty feet (40 ft.) apart on the façade facing the primary street. In no case shall there be fewer than one (1) door; and No vehicular garage or loading entrance or exit shall be permitted to a building or structure constructed after February 16, 2007, unless otherwise required by the District Department of Transportation, or permitted by the Board of Zoning Adjustment as a special exception evaluated according to Subtitle X, Chapter 9; First Street, S.E.: The ground floor shall have a The ground floor shall have a minimum clear floor-to-ceiling height of fourteen feet (14 ft.), for a continuous depth of at least thirty-six feet (36 ft.) from the building line on the primary street. The ground story shall devote at least fifty percent (50%) of the surface area to display windows or pedestrian entrances having clear low-emissivity glass, and ensure that the view through the display windows and pedestrian entrances is not blocked for at least ten feet (10 ft.) from the building line; and Ground floor pedestrian entrances, or areas where a future ground floor entrance could be installed without structural changes, shall be located no more than an average distance of forty feet (40 ft.) apart on the façade facing the primary street. In no case shall there be fewer than one (1) door; Potomac Avenue, S.E. or S.W. – Any portion of a building or structure that exceeds one hundred and ten feet (110 ft.) in height shall provide a one-to-one (1:1) step-back from the building line along Potomac Avenue; and P Street SW – No vehicular garage or loading entrance or exit shall be permitted from P Street, S.W. to a building or structure constructed after February 16, 2007, unless otherwise required by the District Department of Transportation, or permitted by the Board of Zoning Adjustment as a special exception evaluated according to Subtitle X, Chapter 9. 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); as amended by Final Rulemaking published at 65 DCR 11927 (October 26, 2018). District of Columbia Municipal Regulations Zoning Regulations of 2016: Special Purpose Zones 11-K DCMR § 510