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place, but approaches are not consistent. One option is to prohibit new fences in the <br />shoreland impact zone to keep them from blocking views and causing shoreland <br />problems. <br />• Staff recommends prohibiting fence setbacks in the shore impact zone. The City may <br />consider prohibiting new fences in the entire shoreland setback. <br />14. Clarification of impervious/pervious coverage <br />• The DNR limits impervious surfaces to 25 percent of the lot area in residential areas. <br />Many cities are equally or more restrictive. <br />• The City of Arden Hills is less restrictive with a coverage limit of 35 percent. <br />• Staff does not recommend changing the impervious coverage limits because it would <br />cause many homes to become nonconforming. However, staff does recommend <br />clarifying the definition of what is included in impervious coverage and noting that <br />impervious coverage is not allowed in the shoreland setback area, except for <br />walkways and stairs as noted above. <br />15. Enhance or clarify regulations for removing vegetation along the shoreland <br />• The City is currently in line with DNR restrictions on selective vegetation removal <br />and clear -cutting. There have been some concerns about these regulations in the past, <br />but we have been unable to find a good alternative set of regulations. <br />• With the adoption of the tree preservation ordinance, the City may not need additional <br />vegetation removal regulations. What other concerns regarding vegetation removal <br />remain? <br />As we draft new or revise existing ordinances, we will focus on clarity and enforceability. While <br />it is virtually impossible to gain 100 percent conformance with the regulations, it is important to <br />adopt regulations that have a reasonable ability to be enforced. In the process of reviewing these <br />regulations, it is likely that new issues will be added while others may not need to be regulated. <br />In instances where there are not guidelines from the DNR and no trends amongst other cities, we <br />should evaluate if new or additional regulations are actually needed. <br />Attachments <br />A — City of Arden Hills Shoreland Management Ordinance <br />B — Selected Excerpts from the DNR Example Shoreland Management Ordinance <br />City of Arden Hills <br />Planning Commission Meeting for February 4, 2009 <br />IWhdocsllahUHdatalPlanninglPlanning Cases 12009109-003 Shoreland Preservation Ordinance 1020409 - PCreport - Shoreland Regulation <br />Ordinance.doc Page 6 of 6 <br />