327. GENERAL CONDITIONS FOR TRANSITION REGULATIONS

327 GENERAL CONDITIONS FOR TRANSITION REGULATIONS 327.1 The projections identified in the following table are permitted to encroach into any required height transition plane subject to the following limits: TABLE B § 329.1: LIMITATIONS ON ENCROACHMENT INTO ANY REQUIRED HEIGHT TRANSITION PLANE PROJECTING ELEMENT LIMITATIONS Cornices and eaves Not to exceed 2 ft. Sills, leaders, belt courses, and similar ornamental or structural features Not to exceed 6 in. A balcony railing Not to exceed 4 ft. Skylights Not to exceed 4 ft. A chimney, smokestack, or flue No limit Spires No limit Towers, including towers erected from the ground No limit Domes, minarets, pinnacles, pergolas and similar architectural embellishments No limit 327.2 The projections and structures identified in the following table may encroach into any required buffer transition setback, up to the limits specified: TABLE B § 329.2: LIMITATIONS ON ENCROACHMENT INTO ANY REQUIRED BUFFER TRANSITION SETBACK PROJECTING ELEMENT LIMITATIONS Cornices and eaves Not to exceed 2 ft. Sills, leaders, belt courses, and similar ornamental or structural features Not to exceed 6 in. The ordinary projection of skylights, above the bottom of the minimum side setback Shall be placed so as not to obstruct light and ventilation Awnings serving a window, porch, or door Not to exceed 40 in. A chimney, smokestack, or flue Not to exceed 2 ft. A self-contained air conditioner Not to exceed 2 ft. Building components or appurtenances dedicated to the environmental sustainability of the building Not to exceed 4 ft. A structure, including a building Must be less than 4 ft. in height above the grade at any point. Any railing required by the D.C. Construction Codes Supplement, 12 DCMR, shall not be included in the measurement of the structure’s height. A fence or retaining wall Must be constructed in accordance with the D.C. Construction Codes Supplement, 12 DCMR Stairs and associated D.C. Construction Code Supplement required guard rails Must lead to the first story of the building located entirely above grade, or to a story below grade An antenna Must comply with all other requirements of this title SOURCE: Final Rulemaking published at 63 DCR 2447, 2650 (March 4, 2016 – Part 2). District of Columbia Municipal Regulations Zoning Regulations of 2016: Definitions, Rules of Measurement, and Use Categories 11-B DCMR § 327