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2018-02-28 CC Packet
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2018-02-28 CC Packet
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5/3/2018 1:05:11 PM
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( Stantec <br /> CITY OF CENTERVILLE -2018 LOCAL WATER PLAN <br /> HYDROLOGIC CALCULATIONS/MODELING PARAMETERS <br /> To determine post-development Curve Numbers, new RCWD requirements are that the <br /> Hydrologic Soil Group (HSG) of areas within construction limits must be shifted down one <br /> classification for Curve Number 74 and half of one classification for Curve Number 49. This <br /> helps to account for grading impacts on soil structure. <br /> 4.2 NURP STANDARDS <br /> The design storm for determining compliance with Nationwide Urban Runoff Program (NURP) <br /> standards for stormwater ponds shall be 2.5 inches. See Chapter 6 for additional details. <br /> 4.14 <br /> 66 <br />
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