ORD-2001-010 Establishment of EDD Subdistricts and Development Regulations

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37 3. All site grading must be designed to meet the standards shown on the accompanying table: SLOPE GRADING STANDARDS Site Area Minimum Maximum Planting areas Slope Slope Parking lot pavement 2% 3:1 -Driveways & access drives 2% 5% Pedestrian areas . Large plaza areas 1% 2% Sidewalks I % 8% Stormwater Management: 1 . in all ED Districts within a designated water supply watershed, the first half-inch of stormwater runoff from impervious surfaces shall be controlled. (as may be amended) . . . . . . . . . 2. Building types, parking layouts, etc. must be selected and located with respect to the natural t—opog--ra-phy to minimize grading and preserve sensitive areas. 3. The rate of runoff from the site must not be increased over pre-development conditions. 4. The stormwater management system must respect existing drainage patterns. 5. Energy dissipaters such as rip rap aprons and other site features must be used where runoff is c-o-Ilected and discharged; e.g., at downspouts from rooftops and storm drains at parking areas. 6. Conflicts between on-site drainage and other features must be avoided; e.g., drainage across sidewalks or ponding in parking/service areas. i�1?*-",*"-;"..: 1. In LO-2 areas only, where ground absorption systems and/or wells are used for sewage disposal and/or water supply, the installation of such facilities must comply with all local and state regulations governing their design, construction, operation, and maintenance 2. Public water and sewer shall be within all EDD areas except LO-2 areas (40,000 sf minimum). 3. Each comprehensive site development plan must therefore be accompanied by documentation from the utility provider that it has reviewed and approved: Preliminary plans for the proposed water and/or sewer lines; The adequacy of the existing system(s) to which the connection(s) will be made; The capacity of the existing water and sewer treatment facilities; The carrying capacity of the discharge stream or discharge point; and The method of funding proposed extensions of water and sewer lines. Certified Contract/Agreement between utility provider and applicant. Documentation must be submitted that there is adequate water flow and pressure to meet required fireflow and fire suppression.