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Exhibit A <br />Heritage Tree Protection Plan <br />Tree Protection Plan <br />Town of Los Altos Hills Heritage Trees #6 and #7 <br />General Protection Measures <br />1. Designate an exclusion zone to avoid soil disturbance, trenching, grading, and <br />compaction activities. Each excluded area for an individual tree can be regarded as its <br />Tree Protection Zone (TPZ). The TPZ shall be at the dripline in the natural state for either <br />oak tree. <br />2. Any future fencing shall be installed outside the dripline/TPZ and consist of a split -rail <br />wood fence or equivalent design. <br />3. Design any new irrigation lines, underground utilities, services, storm drain lines, <br />bioretention features, and swales beyond TPZs. <br />4. Avoid prescribing herbicide use within a TPZ, and where used on-site, they should be <br />labeled for safe use near trees. Also, liming should not occur or be prescribed within 50 <br />feet of the trees. <br />5. Any landscape irrigation design should support the oak trees' inherent drought resistance <br />. and avoid any trenching and tilling within their TPZs. <br />6. Any vehicles utilized to traverse, access, or maintain Byrne Preserve should maintain <br />distance from the oak trees equal to the TPZ even when no fencing is installed. <br />Resolution 28-22 Page 3 <br />