11-24-1993 Council Agenda - Laserfiche WebLink

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2. Roads, driveways, and parking areas must meet shoreland setbacks and must not be placed within bluff and shore impact zones, when other reasonable and feasible placement alternatives exist. If no alternatives exist, they may be placed within these areas, and must be designed to minimize adverse impacts. 3. Public and private watercraft access ramps, approach roads, and access - related parking areas may be placed within shore impact zones provided the vegetative screening and erosion control conditions of this sub -part are met. For private facilities, the grading and filling provisions of Section 9.4.B of this Ordinance must be met. D. Storm Water Management: 1. When possible, existing natural drainageways, wetlands, and vegetated soil surfaces must be used to convey, store, filter, and retain stoLm water runoff before discharge to public waters. 2. Development must be planned and conducted in a manner that will minimize the extent of disturbed areas, runoff velocities, erosion potential, and reduce and delay runoff volumes. Disturbed areas must be stabilized and protected as soon as possible in accordance with Best Management Practices. Facilities or methods shall be used to retain sediment on the site. 3. When development density, topographic features, and soil and vegetation conditions are not sufficient to adequately handle storm water runoff using natural features and vegetation, various types of constructed facilities such as diversions, settling basins, skimming devices, dikes, waterways, and ponds may be used. Preference must be given to designs using surface drainage, vegetation, and infiltration rather than buried pipes and man -made materials and facilities. 4. When constructed facilities are used for storm water management, documentation must be provided by a qualified individual that they are designed and installed consistent with the field office technical guide of the local soil and water conservation districts. 13 Page 57