 |
D.C. Municipal Regulations (Last Updated: September 13, 2017) |
 |
Title 11. ZONING REGULATIONS OF 2016 |
|
SubTilte 11-B. DEFINITIONS, RULES OF MEASUREMENT, AND USE CATEGORIES |
|
Chapter 11-B3. GENERAL RULES OF MEASUREMENT |
Section 11-B327. GENERAL CONDITIONS FOR TRANSITION REGULATIONS
-
327.1The 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
327.2The 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