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BUENA VISTA TREE SERVICE ARBORIST REPORT Page 8 ARBORIST REPORT, 544 SYCAMORE ROAD, PLEASANTON, CA. 94566 December 2023 Tree preservation measures Impacts to trees on site during development activities can be minimized by coordinating activities and storage of materials outside and monitoring work within the TPZ. Tree protection measures are designed to prevent damage to trees during construction, thereby promoting tree health and adding beauty, value, and environmental benefits to the property for years to come. The following recommendations will help to reduce impacts to trees during the construction of the residential addition and new hardscape. Design recommendations and activities prior to construction 1. The contractor and consulting arborist shall meet to map the TPZ for all trees to be retained (see illustration 1). 2. Fencing materials shall be 6’ chain link fencing or other sturdy material, which shall remain in place for the duration of the project. No work shall be performed within the TPZ without consulting arborist approval and monitoring as needed to prevent damage to tree trunks and tree roots, and to document impacts. Post signs in visible locations along the fencing stating TREE PROTECTION ZONE – NO ENTRY with the contractor’s name, consulting arborist’s name, and contact phone numbers. 3. No equipment or materials should be stored within the TPZ. in compliance with the American National Standard ANSI A300 Management of Tree and Shrubs During Site Planning, Site Development, and Construction (2014). The TPZ plan shall be incorporated into final construction plan sets and applied to all trees on site prior to, during, and post construction. The use of lime treatments to dry the soil, and concrete rinsates or disposal of any kind within the dripline is potentially harmful to the trees must be removed from the site and properly disposed. 4. Fully enclose the TPZ as indicated in table 4. 5. To avoid damage to tree trunks, wrap the trunks of #1-3 and 5-8 from the base to 6’, or the lowest branch with straw wattle. Tree # N S E W Fence together 1 and 2 11’ 11’ 11’ 11’ 3 9’ 9’ 9’ 9’ Fence together 5 and 6 7’ Property line Driveway Property line Fence together 7 and 8 Hardscape Property line Property line Driveway Tree protection fencing must remain in place for the duration of the project. Table 4. Tree Protection Zones 544 Sycamore Road, Pleasanton