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-254- <br /> <br />Final Grading Plan <br /> 9.50.04 <br /> 1. Topographic data. inc['ud[ng contours at vertical intervals of .......... <br /> than two feet, except that where the horizontal contour interval is 100 <br /> feet or more, a one foot vetntical interval shall be shown. Water courses, <br /> <br />lakes wetlands, limits of flood plains and or'her sian.ificant physical <br />features shall be delineated. The ordinary h[~h wa'ter elevation ~-md 100 <br />year Flood Plain elevation shall be identified. U.S.G.S datum survey <br /> <br /> shall be used for topogra ph ic <br /> <br />2. Soils dzrta, including classification o£ alt sm%ce soils, in accordance <br /> with the Soil Consexwation Service Classification s.vstem and logs of <br /> borin_os sut~cient in number and depth to establish the elevation of the <br /> 'water table and soil t,/pes throughout the plat, <br />3. I'~' the subdivision [s to be serviced with on site svste~ns, the soil types <br /> <br />shall be identified. For each lot having less than 25% Class I soils, the <br />location of a septic field and alternative field must be identified. <br /> <br />4. Locations and invert elevations of storm sexvers ~md drainm4e ditches <br /> <br />and culverts within the plat and to a distance of 100 ['eet beyond:the plat. <br /> <br />Drainage area re. ap of existing subdivis:ions showi:ng the ac:remic of each <br />drainage area (existing and .proposed) as well as providimz the <br />predevelopment and post development runoff rate, in c.£s. tbr the 10 year <br />and 100 year storm events. <br /> <br />6. Pre and post runoff calculations. <br /> <br />7. Size and type of each storm sewe:r t'acility_p2Lo_posed. <br /> <br />o <br /> <br />Proposed method o1: conveying, SLlr'l"ttce water drainage within and <br />beyond the limits of the plat to publicly owned o1' controlled drainage <br />fac:i]ities or storm sewers. <br /> <br />9. Lots with m'ades flatter than 2% must provide a certificate of ~radintz <br /> <br />prior to issuance of the certificate of occupancy. The lots subiect to this <br />requirement should be noted. <br /> <br />10. Lot comer elevations as well as drainatze swale centerline grades at <br /> <br /> mtm s~:ctlon,, oi:' lot lines. <br /> <br />[ 1. Drainmze and u'tiltt¥ easements <br /> <br />12. Direction of flow arrows in and around house pads. <br /> <br />9.50 Subdivision Regulations <br /> <br />9-2!. <br /> <br />March 2003 Draft <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />! <br />i <br />I <br />! <br />I <br />I <br />! <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />