DeKalb County |
Code of Ordinances |
Chapter 14. LAND DEVELOPMENT |
Article III. SUBDIVISIONS |
Division 3. DESIGN STANDARDS |
Part B. Streets |
§ 14-196. Street grades.
(a)
Subdivision street grades shall not exceed the following, with due allowance for reasonable vertical curves:
Type Percent
GradeMajor arterial 8 Minor arterial 10 Residential arterial and alley 12 Collector street 12 Local residential 12 Alleys 12 (b)
A sixteen (16) percent grade on local residential streets may be approved by the development director where a sight distance in feet of ten (10) times the speed limit is maintained. An as built street profile may be required.
(c)
No street grade shall be less than one (1) percent and no one (1) percent grade shall be longer than three hundred (300) feet.
(d)
Up to a twelve (12) percent grade on alleys may be allowed, provided the development director approves any required drainage plan.
(Ord. No. 30-02, Pt. II, 7-9-02)