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r <br />b <br />1* <br />h <br />I <br />i- <br />J ^ <br />Hardcover Status of Weed Control Fabrics May 22, 1991 <br />Page 2 of 5 <br />"3. DIRECT RUNOFF INTO THE LAKE WILL 3E MINIMIZED. <br />Standards will be established and maintained to limit the amount <br />of impervious hardcover in proportion to closeness of the <br />shoreline. Maximum hardcover will be limited to 30% of each <br />parcel within 1000* of the shoreline pursuant to Minnesota DNR <br />recommended shoreline practices." <br />The Land Use Plan, Chapter 4 of the Comprehensive Plan, <br />emphasizes that the "Urbanization Spiral" leads to high density <br />development, increased hardcover, and a decrease in lake water <br />quality. <br />Policy Deflniti<»i of Hardcover - <br />Over the years, staff and Council gradually developed a <br />working definition of hardcover in order to administer the <br />ordinance. In the early 1980's, a hardcover calculation work ­ <br />sheet was created and gradually evolved to the current form. <br />The current working definition of hardcover relies to a <br />degree on interpretation and judgement. Currently, the following <br />items are considered as hardcover: <br />1, Roof - (except that roof overhangs high above grade and <br />extended not more than 2 to 3' from the house, have not been <br />normally calculated as hardcover) <br />2. Sidewalks - (concrete, asphalt, brick, wood and other <br />solid materials) <br />3. Paved or gravel driveways - (all surfaces which are <br />regularly or occasionally driven on, are considered as being <br />compacted and therefore impervious, regardless of ^he <br />porosity of the gravel or paving material) <br />4. Patios and Decks - (in the early to mid 1980*s. Council <br />determined that decks, even with spacing between the <br />decking, would be considered hardcover because of the high <br />potential for impervious surfaces such as patio blocks or <br />plastic to be placed below the deck). <br />5. Tops of retaining walls and rock walls. <br />6. Decorative landscape areas underlayed by plastic <br />sheeting or fabric. (Until about 3 years ago, staff had <br />been recommending to residents that they use fabric instead <br />of plastic, until the Council directed that fabric lined <br />rockbeds would be considered as hardcover.)