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City of Arden Hills Chapter 13 Zoning Code <br />A. Prior to Construction. Before construction, grading or land clearing begins; <br />trees or tree areas that are to be preserved shall be visibly marked and the city - <br />approved tree protection fencing or other method shall be installed and maintained <br />at the critical root zones of the trees to be protected. The location of the fencing <br />shall be in conformance with the approved tree preservation plan. This fencing <br />shall be inspected by city staff before site work begins. <br />B. During Construction. The following activities shall be prohibited within the <br />critical root zone areas of trees to be protected. <br />1. Trenching; <br />2. Temporary storage of any construction materials or chemicals; and <br />3. The routing or parking of heavy equipment, including cars, trucks, <br />bulldozers and construction trailers. <br />4. Sediment and erosion control. All sediment and erosion -control silt fencing <br />or straw bales shall be placed at the limits of grading or where needed to <br />minimize the deposition of sediment within the drip line of the protected tree(s). <br />5. Attaching protective devices, signs, etc., to trees is prohibited. No <br />protective devices, signs, utility poles or lines, or other objects shall be nailed <br />or attached to any trees that are to be preserved. <br />6. Other actions prohibited. Any other action within the drip line of the <br />protected tree(s) that may result in the severing of roots or compaction of soil, <br />or that may impede the free access of air and water to tree roots, shall be <br />prohibited. <br />C. Ponding. Water retention ponding may not be located where there are <br />significant trees, unless approved by the city. The water retention ponding must be <br />created in a manner that prevents erosion into any nearby water resource. <br />D. Amendments to Plan. An amendment to the tree preservation plan shall be <br />required prior to the removal of trees that were designated for preservation on the <br />original tree preservation plan. The amendment shall be subject to City approval <br />prior to implementation. <br />Section 1325.055 — Tree Preservation <br />Adopted: April 28, 2008 <br />Page 6 of 7 <br />