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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 11. ZONING REGULATIONS OF 2016 |
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SubTilte 11-K. SPECIAL PURPOSE ZONES |
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Chapter 11-K5. CAPITOL GATEWAY ZONES - CG-1 THROUGH CG-7 |
Section 11-K501. DEVELOPMENT STANDARDS (CG-1)
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501.1 The CG-1 zone is intended to permit high-density housing and appropriate renovation of or addition to the existing housing stock.
501.2 The development standards of Subtitle K §§ 501.3 to 501.11 shall control the bulk of buildings in CG-1 zone.
501.3 The maximum permitted floor area ratio (FAR) in the CG-1 zone shall be 6.0, or 7.2 with IZ, with a maximum residential FAR of 6.0 or 7.2 FAR with IZ.
501.4 The maximum permitted building height, not including the penthouse, in the CG-1 zone shall be ninety feet (90 ft.). Subtitle K § 510 contains design-related conditions on height and upper story setbacks for South Capitol Street, a designated street of Subtitle K § 508.
501.5 The maximum permitted height of a penthouse in the CG-1 zone shall be twenty feet (20 ft.), and the maximum number of stories within the penthouse shall be one (1) plus a mezzanine, except that a second story for penthouse mechanical space shall be permitted.
501.6 The maximum permitted lot occupancy in the CG-1 zone shall be seventy-five percent (75%) or ninety percent (90%) with IZ.
501.7 A minimum rear yard of fifteen feet (15 ft.) shall be required in the CG-1 zone. The Board of Zoning Adjustment may grant a special exception for an addition that cannot comply with the rear yard regulations. In addition to complying with the general special exception criteria of Subtitle X, the Board of Zoning Adjustment shall find that the addition, together with the original building, as viewed from the street, alley, and other public way, shall not substantially visually intrude upon the character, scale and pattern of buildings along the subject street frontage.
501.8 No side yard is required for the principal building; however, any side yard provided to any portion of the principal building shall be at least three inches (3 in.) per one foot (1 ft.) of height, and no less than five feet (5 ft.).
501.9 Where an open court is provided, the court shall have the following minimum dimensions:
TABLE K § 501.9: MINIMUM COURT DIMENSIONS
Type of Structure
Minimum Width Open Court
Minimum Width Closed Court
Minimum Area Closed Court
Residential (except hotel):
4 in./ft. of height of court;
10 ft. minimum.
4 in./ft. of height of court;
15 ft. minimum.
Twice the square of the required width of court dimension;
350 sq. ft. minimum.
Non-Residential and Lodging:
2.5 in./ft. of height of court;
6 ft. minimum.
2.5 in./ft. of height of court;
12 ft. minimum.
Twice the square of the required width of court dimension;
250 sq. ft. minimum.
501.10 In the case of an alteration affecting the amount of light and ventilation required in an existing building in a Residence District by other municipal law or regulation, no legally required window shall be permitted to open onto a court that does not comply with the dimensions given in Subtitle K § 501.9.
501.11 The minimum required green area ratio (GAR) for the CG-1 zone shall be 0.3.