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b. Mature trees (trees which have reached 20-80% of life expectancy): 1 <br />foot per inch of trunk diameter. <br />c. Over mature trees (trees which have reached greater than 80% of life <br />expectancy): 1.5 feet per inch of trunk diameter. <br />4. Alternative protection methods may be used that provide equal or greater <br />tree protection if approved by the Director. <br />5. A weatherproof sign shall be installed on the fence or barrier that reads: <br />"TREE PROTECTION ZONE — THIS FENCE SHALL NOT BE REMOVED <br />OR ENCROACHED UPON. No soil disturbance, parking, storage, dumping <br />or burning of materials is allowed within the Critical Root Zone. The value of <br />this tree is $ [insert value of tree as determined by a Qualified Tree <br />Professional here]. Damage to this tree due to construction activity that <br />results in the death or necessary removal of the tree is subject to the <br />Violations section of TMC Chapter 18.44." <br />6. All tree protection measures installed shall be inspected by the City and, if <br />deemed necessary a Qualified Tree Professional, prior to beginning construction or earth <br />moving. <br />7. Any branches or limbs that are outside of the CRZ and might be damaged <br />by machinery shall be pruned prior to construction by a Qualified Tree Professional. No <br />construction personnel shall prune affected limbs except under the direct supervision of <br />a Qualified Tree Professional. <br />8. The CRZ shall be covered with 4 to 6 inches of wood chip mulch. Mulch shall <br />not be placed directly against the trunk. A 6-inch area around the trunk shall be free of <br />mulch. Additional measures, such as fertilization or supplemental water, shall be carried <br />out prior to the start of construction if deemed necessary by the Qualified Tree <br />Professional's report to prepare the trees for the stress of construction activities. <br />9. No storage of equipment or refuse, parking of vehicles, dumping of materials <br />or chemicals, or placement of permanent heavy structures or items shall occur within the <br />CRZ. <br />10. No grade changes or soil disturbance, including trenching, shall be allowed <br />within the CRZ. Grade changes within 10 feet of the CRZ shall be approved by the City <br />prior to implementation. <br />11. The applicant is responsible for ensuring that the CRZ of trees on adjacent <br />properties are not impacted by the proposed development. <br />12. A pre -construction inspection shall be conducted by the City to finalize tree <br />protection actions. <br />13. Post -construction inspection of protected trees shall be conducted by the <br />City and, if deemed necessary by the City, a Qualified Tree Professional. All corrective or <br />reparative pruning will be conducted by a Qualified Tree Professional. <br />W: Legislative Development\SMP-Zoning Code changes 2-25-20 <br />MD:bjs Review and analysis by Barbara Saxton Page 35 of 64 <br />