A. City curb and gutter. All streets shall be provided with curbs and gutters within the corporate limits of the city, and shall be constructed as specified in § 4.16.
B. Rural curb and gutter. Curbs and gutters within the jurisdictional area shall be required if the subdivision is contiguous with the corporate limits, or is adjacent to, or between, subdivisions which are provided with curbs and gutters.
C. Lot size considerations. Curbs and gutters are not required if the lots are greater than 80,000 square feet or 1.837 acres in area, and storm water drainage is adequately provided for by means of ditches, culverts, as detailed in § 4.08, Storm Water Drainage.
D. Curb and gutter specifications. Plans for the installation of curbs and gutters shall be approved by the City Engineer or appropriate authority. Said plans shall be designed by a licensed civil engineer. The curbs and gutters shall be constructed according to the following specifications:
1. The base for the curb and gutter shall be well compacted on the existing base or grade of the street associated with them and shall be on each side of the pavement (traveled portion) of the street.
2. The minimum specifications shall be as shown in Figures 8-8 through 8-10.
3. All concrete used in the curb and gutter shall be either 3,500 or 4,000 psi concrete mix.
4. The Planning Commission may waive the provision for curbs and gutters for good cause.
The waiver request applies only to minor streets internal to the subdivision and does not include existing arterial or collector streets or extensions of the same where curb and gutter exist or have been planned for installation.
5. Plans must be approved by the Columbia City Board of Public Works and Safety or appropriate authority.
6. These guidelines must be met in order to request a waiver, and are not criteria, which if met, denote automatic approval. Approval of the waiver shall be considered a completely discretionary decision on the part of the Commission and shall be noted on the recorded final plat.
7. Where curbs and gutters are not required, the subdivider shall provide one of the types of improvements discussed in § 4.23C.2., and the requirements of Figure 8-5 shall be followed.
(1980 Code, Ch. 154, § 4.22) (Ord. 2001-4, passed 3-27-2001)