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<br />City of Arden Hills <br /> <br />. <br /> <br />3. Storm Sewer Lateral Facilities <br />A network of pipes ranging in size generally from twelve inches (12") to <br />twenty-seven inches (27") designed to collect stormwater runoff from a <br />specified small area to a trunk facility. The lateral facilities also include <br />street overland flow and inlet structures such as catch basins, manholes <br />and flared end sections. <br /> <br />4. Storm Sewer Taxinl! District <br />A drainage area determined by using topographical maps and surveys that <br />mutually benefit from storm sewer improvements in conformance with <br />Minnesota Statute, Section 444.16 through 444.21 <br /> <br />5. Watersbed District <br />A formally established area and Board that protects and controls the water <br />management aspects of subdivisions and developments within the region. <br /> <br />B. Determining Storm Sewer Assessment Rates <br /> <br />. <br /> <br />1. Storm Sewer Trunk Rates <br />a. Design and estimate the total improvement cost of the ultimate trunk <br />system needed to provide complete service to each property in the <br />Service District considered. Also, include the total cost of any existing <br />facilities and/or previous storm sewer assessments to be credited. <br /> <br />b. Determine the base assessment rate by dividing the ultimate system <br />cost described above by the sum total of the following: <br />I) Gross area oflow-density residential properties times 1.0. <br />2) Gross area of medium and high density residential, church and <br />school properties times 1.25. <br />3) Gross area of commercial property times 1.5. <br />4) Gross area of industrial property times 2.0. <br /> <br />c. Assessment rates would be set as follows: <br />. The base rate shall apply to low density residential properties. <br />. The base rate times 1.25 shall apply to medium and high-density <br />residential, church and school properties. <br />. The base rate times 1.5 shall apply to commercial property. <br />. The base rate times 2.0 shall apply to industrial property. <br /> <br />d. Credits may be given for previous storm sewer assessments, existing <br />systems and any future additional construction that may be necessary <br />as determined by the City Engineer for complete service to each <br />property. Credit rates for future construction shall be based on current <br />pnces. <br /> <br />. <br /> <br />2003 Assessment Policy Manual- Page 12 <br />