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54 <br /> <br />sufficient in number and depth to establish the elevation of the water table <br />and soil types throuehout the plat. <br /> <br />4. If the subdivision is to be serviced with on site systems, the soil tvp_es <br /> <br />shall be'identified. FOl' each lot having less than 30,000 square feet of <br />Class [ soils, the location of a septic field and alternative field must be <br />identified. <br /> <br />5. Locations and invert elevations of stomq sewers and drainaae ditches and <br /> <br />culverts within the plat and to a distance of 1 O0 feet beyond the plat. <br /> <br />Draina,,ze area map Of existin~ subdi-visions showin~ the acreage of each <br />drainage area (existing and proposed) as well as providin,o the <br />predevelopn'tent and post development runoff rate, in cfs, for the 10 year <br />and 10Ovear storm events. <br /> <br />Pre and post mn0ff calculations. <br /> <br />Size and type of each storm sewer facil[tv proposed. <br /> <br />Proposed method of disposing of surface water drainage and methOd of <br />convevimz surface water draina,ze within and beyond the limits of the plat <br /> <br />to publicly owned or controlled drainage facilities or storm sewers. There <br />shall be no ~,rades less than I%. When grades are less than 2%. a <br />certificate of ~adina will be required prior to occupancy. The certificate <br />9t' .~ading shall provide a statement from a reestered land sutw'ey_or <br />statina that they have smweved the lot and determined that is contains no <br /> <br />k, rade flatter than 1% and con~bm~s to the approved grading plan. <br /> <br />10. A development plan for each lot speci~'ing house Wpe. garage.elevation, <br /> minimum floor elevation, and lowest op. enin~ elevation. <br /> <br />· I 1. A table specifvina house type. garage elevation, minimum floor elevation, <br /> lowest openina elevation, street centerline ~ade. 100 year flood elevation, <br /> and back yard ~md fi'ont vm-d slopes must be provided. <br /> <br />12. Additional information as requested bv the City <br /> <br />9.50.03 <br /> <br />Street Plan <br /> 1. Layout of existing and proposed Public and private streets, showina <br /> fight-of-way and pavement widths and proposed-names of streets. The <br /> name of any street used in the City must be an extension of an.already <br /> <br />named street. <br /> <br />Existin~ and proposed centerline ,o-rades of public and private streets. <br /> <br />9.50 Subdivision Regn21ations <br /> <br />9-14 <br /> <br />March 2003 Draft <br /> <br />I <br />I <br />! <br />I <br />I <br />I <br />I <br />I <br />! <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />