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<br />City of Arden Hills <br /> <br />Chapter 10 Utilities <br /> <br />I' <br />" <br /> <br />zoning classification, which shall be an approximate measure of the percentage of <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />- <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />, <br />I <br /> <br />impervious surface on the property. The volume of runoff for each zoning <br /> <br />classification shall be calculated using the following equation. <br /> <br />Q = (p - 0 2S)2 <br />P + 0.8S <br /> <br />Where Q = runoff, cfs <br />S = (lOOO/cn) - 10, dimensionless <br />P = 2, inches <br /> <br />1. The runoff value calculated, in Step H. for R-l properties shall be considered the <br /> <br />base rate. The runoff value for each of the other zoning classifications shall then be <br /> <br />divided by the base rate to yield a utility factor for each zoning classification. This <br /> <br />utility factor shall be a measure of the additional runoff created from the property <br /> <br />as compared to a single family lot. The utility factors for each zoning classification <br /> <br />shall be listed in the following Subdivision. <br /> <br />1. The rate per acre for all zoning classifications, except R-l, shall be calculated by <br /> <br />multiplying the utility factor found in step i. by the base rate determined in Step G. <br /> <br />Subd. 4 Factors for Determining Fees for Various Land Uses. The utility factors for <br /> <br />various land uses used to determine the surface water management fees are assigned as <br /> <br />follows: <br /> <br />10 - 53 <br />