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<br />A tree shall be considered to be severelv declined if more than 25 <br />percent of the crown has died. <br /> <br />Subd. 7 General Tree Protection Standards. <br /> <br />A. Prior to Construction. Before construction. qradinq or land c1earinq <br />beqins; trees or tree areas that are to be preserved shall be visiblv marked <br />and the citv-approved tree protection fencinq or other method shall be <br />installed and maintained at the critical root zones of the trees to be <br />protected. The location of the fencinq shall be in conformance with the <br />approved tree preservation plan. This fencinq shall be inspected bv citv <br />staff before site work beqins. <br /> <br />B. Durinq Construction. The followinq activities shall be prohibited within <br />the critical root zone areas of trees to be protected. <br />1. Trenchinq; <br />2. Temporarv storaqe of any construction materials or chemicals: and <br />3. The routinq or parkinq of heavv equipmenl.includinq cars. trucks. <br />bulldozers and construction trailers. <br />4. Sediment and erosion control. All sediment and erOsion-control silt <br />fencinq or straw bales shall be placed at the limits of Qradinq or where <br />needed to minimize thedeoosition of sediment within the drip line of <br />the protected tree(s). <br />5. Attachinq.protective devices. siqns. etc.. to trees prohibited. No <br />protective devices;'l>i?ns. utilitv poles or lines. or other obiects shall be <br />nailed or attachEi>dtb'anvtrees that are to be preserved. <br />6. Other actions prohibited, Anv other action within the drip line of the <br />protected tree(sj!th~t m~vresulFin the severinq of roots or compaction <br />of soil. or that maV;.jmpede the free access of air and water to tree <br />roots. shall be prohibited. <br /> <br />C. Pondinq., Water retention pondinq may not be iocated where there are <br />siqnificant trees. unless approved bv the citv. The water retention pondinq <br />must be createdinamannerthat prevents erosion into anv nearbv water <br />resource. <br /> <br />Do. Amendments to Plan. An amendment to the tree preservation plan <br />shall<be reQUired prior to the removal of trees that were desiqnated for <br />preservation on the oriqinal tree preservation plan. The amendment shall <br />be subiect to Citv approval prior to implementation. <br /> <br /> <br />DRAFT - February 11. 2008 <br /> <br />6 <br />