11-20-2006 Council Agenda - Laserfiche WebLink

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b. Existing Conditions - A complete site plan and specifications, signed by the person who designed the plan shall be drawn to an easily legible scale, shall be clearly labeled with a north arrow and a date of preparation, and shall include, at a minimum, the following information: i. Project map — An 8.5 by 11 inch United States Geological Survey (USGS) 7.5 minute quad or equivalent map indicating site boundaries and existing elevations, ii. Property lines and lot dimensions. iii. Existing zoning classifications for land within and abutting the development, including shoreland, floodway, flood fringe, or general floodplain, and other natural resource overlay districts. iv. All buildings and outdoor uses including all dimensions and setbacks. v. All public and private roads, interior roads, driveways and parking lots. vi. Identify all natural and artificial water features (including drain tiles) on site and within 1/2 mile of project boundary, including, but not limited to lakes, ponds, streams (including intermittent streams), and ditches. Show ordinary high water marks of all navigable waters, 100 -year flood elevations and delineated wetland boundaries, if any. If not available, appropriate flood zone determination or wetland delineation, or both, may be required at the applicant's expense. vii. Map of watershed drainage areas, soil types, infiltration rates, depth to bedrock, and depth to seasonal high water table. viii. Steep slopes where areas of 12% or more existing over a distance for 50 feet or more. ix. Bluff areas where the slope rises at least 25 feet above the toe of the bluff and the grade of the slope from the toe of the bluff to a point 25 feet or more above the toe of the bluff averages 30% or greater. x. Wooded area and tree survey as defined by the zoning authority. xi. Agricultural Land preservation area(s), County Biological Survey sites, or other officially designated natural resource. xii. Hydrologic calculations for volume runoff, velocities, and peak flow rates by watershed, for the 2.0 -yr, 10 -yr, and 100 - yr 24 -hour storm events. These shall include: • Pre - existing peak flow rates. • Assumed runoff curve numbers. • Time of concentration used in calculations. • If a flood insurance study has been done by the National Flood Insurance Program, the 100 -year flood elevation with and without the floodway. Model Stormwater Ordinance Page 3 NEMO Ordinance Project