1. Every subdivision shall be provided with a storm water sewer or drainage system that is capable of sustaining a five-year design storm, or otherwise meeting the approval of the City Engineer:
A. Storm sewers shall have grade and size indicated;
B. A complete grading/drainage plan shall be provided;
C. Drainage calculations shall be submitted for review.
D. Drainage easements shall be provided wherever any stream or surface water channel is located in the area being subdivided.
2. The developer shall provide sufficient plans and site improvements to ensure that, when completed, the new subdivision will not increase the amount of storm water runoff onto adjacent and downstream properties, as determined by engineering studies. This may include the creation of retention or detention ponds, at strategically placed locations within the subdivision.
3. In areas with especially steep slope or poorly drained soils, these topographical and geological limitations shall be incorporated into the physical layout of the subdivision, influencing such factors as the shape, size, and dimensions of land parcels.
4. For additional regulations regarding storm water drainage and private development, see Section 165.21 of the Zoning Regulations.
(Ch. 170 - Ord. 668 – Dec. 16 Supp.)
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