§ 16.24.130 STREET GRADES AND CURVES—REQUIREMENTS.
   (A)   A maximum street or road grade of 6% is recommended. Grades exceeding this amount will not be approved except where conclusive proof is given that conformity with this standard would be impractical. Street grades in excess of 15% shall not be approved.
   (B)   A minimum street and/or road grade of 0.5% is recommended. Grades less than this amount will not be approved except where conclusive proof is given that conformity with this standard would be impractical, and that adequate provisions have been made to handle drainage in the area.
   (C)   A centerline radius of not less than 100 feet shall be required on all local street curves, except where conclusive proof is given that conformity with this standard is impractical.
(`83 Code, § 16.24.130) (Ord. 82-19 § 1 (part), 1982)