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28 <br />(a) Scale (engineering only) not larger than 1 inch equals 100 feet; <br />(b) North point indication; <br />(c) Location of natural features, including, but not limited to, tree lines, delineated wetlands, <br />water courses, ponds, lakes, streams, drainage channels, ordinary high water level (OHWL) and 100 year <br />storm elevations, bluffs, steep slopes, and the like; <br />(d) Existing contours at 2 foot intervals shown as dashed lines for the subject property and <br />extending 100 feet beyond the outside boundary of the proposed plat; <br />(e) Proposed grade elevations at 2 foot intervals shown as solid lines; <br />(f) Proposed plan for surface water management, ponding, drainage and flood control, including <br />the normal water level and high water level of all ponds and watercourses; <br />(g) Provision for groundwater management, including sub - surface drains, disposals, ponding, and <br />flood controls; <br />(h) Location of all existing storm sewer facilities, including pipes, manholes, catch basins, ponds, <br />swales and drainage channels within 100 feet of the subject property. Existing pipe sizes, grades, rim and <br />invert elevations and normal and high water elevations must be included; <br />(i) If the subject property is within or adjacent to a 100 year flood plain, flood elevation and <br />locations must be shown; <br />(j) Spot elevations at drainage break points and directional arrows indicating site, swale and lot <br />drainage; <br />(k) Proposed lot lines. blot and block numbers, building style, building pad location and <br />elevations at the lowest floor and garage slab for each lot; <br />(1) Locations, sizes, grades, rim and invert elevations of all proposed storm water facilities, <br />including ponds, proposed to serve the subject property; <br />(m) Phasing of grading; <br />(n) The location and purpose of all oversize, non - typical easements; <br />(o) All soil erosion and sediment control measures to be incorporated during and after <br />construction must be shown. Locations and standard detail plates for each measure shall be in accordance <br />with city standards and included on the plan; <br />DRAFT JANUARY 26, 2009 <br />• <br />• <br />• <br />