D.C. Mun. Regs. tit. 11, r. 11-G411
Current through Register Vol. 71, No. 49, December 6, 2024
Rule 11-G411 - TRANSITION SETBACK REQUIREMENTS411.1 In the MU-3B zone the following transition setback requirements shall apply to any building or portion of a building within thirty feet (30 ft.) of a lot line directly abutting an R zone district:
(a) A twenty- foot (20 ft.) minimum transition setback shall be provided from any lot line directly abutting an R zone district extended as a vertical plane parallel to each abutting lot line. No building or portion of a building may be constructed within the 20- foot transition setback; and(b) An additional upper-story transition setback of 10 feet minimum shall be provided above a building height of 40 feet, or top of third story.411.2 Any required transition setback area shall not be used for loading.
411.3 A minimum of six feet (6 ft.) of the transition setback area, measured in from the abutting residential lot line, shall be landscaped with evergreen trees subject to the following conditions:
(a) The trees shall be maintained in a healthy growing condition;(b) The trees shall be a minimum of eight feet (8 ft.) high when planted; and(c) Planting locations and soil preparation techniques shall be shown on a landscape plan submitted with the building permit application to the Department of Consumer and Regulatory Affairs for review and approval according to standards maintained by the Department's Soil Erosion and Storm Management Branch, which may require replacement of heavy or compacted soils with top and drainage mechanisms as necessary.411.4 A required transition setback may be inclusive of a required side or rear yard provided all conditions of each section are met.
411.5 No residential communal outdoor recreation space shall be located within 50 feet of any lot line directly abutting an R zone district extended as a vertical plane parallel to each abutting lot line.
D.C. Mun. Regs. tit. 11, r. 11-G411
Final Rulemaking published at 65 DCR 11490 (10/12/2018)