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Preliminary Arborist Report <br />536 St. John Street, Pleasanton <br />June 20, 2016 <br />Page 9 <br />Recommendations for tree protection during construction <br />1. Prior to beginning work, the contractors working in the vicinity of trees to be <br />preserved are required to meet with the Consulting Arborist at the site to review <br />all work procedures, access routes, storage areas and tree protection measures. <br />2. All contractors shall conduct operations in a manner that will prevent damage to <br />trees to be preserved. <br />3. Any grading, construction, demolition or other work that is expected to encounter <br />tree roots should be monitored by the Consulting Arborist. <br />4. Construction trailers, traffic and storage areas must remain outside fenced areas <br />at all times. <br />5. Any root pruning required for construction purposes shall receive the prior <br />approval of and be supervised by the Consulting Arborist. <br />6. If injury should occur to any tree during construction, it should be evaluated as <br />soon as possible by the Consulting Arborist so that appropriate treatments can <br />be applied. <br />7. No excess soil, chemicals, debris, equipment or other materials shall be dumped <br />or stored within the Tree Protection Zone. <br />8. Any additional tree pruning needed for clearance during construction must be <br />performed by a Certified Arborist and not by construction personnel. <br />Maintenance of impacted trees <br />Preserved trees will experience a physical environment different from that pre - <br />development. As a result, tree health and structural stability should be monitored. <br />Occasional pruning, fertilization, mulch, pest management, replanting and irrigation may <br />be required. In addition, provisions for monitoring both tree health and structural stability <br />following construction must be made a priority. As trees age, the likelihood of failure of <br />branches or entire trees increases. Therefore, annual inspection for structural condition <br />is recommended. <br />If you have any questions about my observations or recommendations, please contact <br />me. <br />HortScience, Inc. <br />Ryan Gilpin, M.S. <br />Certified Arborist #WE- 10268A <br />