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Preliminary Arborist Report <br />536 St. John Street, Pleasanton <br />June 20, 2016 <br />Page 2 <br />Low: Trees in poor health or with significant structural defects that <br />cannot be mitigated. Tree is expected to continue to decline, <br />regardless of treatment. The species or individual tree may <br />have characteristics that are undesirable for landscapes, and <br />generally are unsuited for use areas. <br />City of Pleasanton Urban Tree Protection Requirements <br />The Pleasanton Municipal Code Chapter 17.16 controls the removal and preservation of <br />Heritage trees within the City. Heritage trees are defined as: <br />1. Any single - trunked tree with a diameter of 18 inches or more measured four <br />and one -half feet above ground level; <br />2. Any multi - trunked tree of which the two largest trunks have a diameter of 18 <br />inches or more measured four and one -half feet above ground level; <br />3. Any tree 35 feet or more in height; <br />4. Any tree of particular historical significance specifically designated by official <br />action; <br />5. A stand of trees, the nature of which makes each dependent upon the other <br />for survival or the area's natural beauty. <br />Heritage trees may not be removed, destroyed or disfigured without a permit. <br />Description of Trees <br />Fourteen (14) trees, representing seven species, were evaluated (Table 1). Three trees <br />were growing off -site (#49, 53 and 56), and three street trees were assessed (#43, 51 <br />and 54). Across all species, trees were in good condition (8 trees) with three trees in fair <br />condition, two trees in poor condition and one dead tree. Descriptions of each tree are <br />found in the Tree Assessment and approximate locations are plotted on the Tree <br />Assessment Map (see Exhibits). <br />Table 1. Condition ratings and frequency of occurrence of trees <br />536 St. John Street, Pleasanton, CA <br />Common Name <br />Scientific Name <br />Condition Total <br />Dead Poor Fair Good <br />(0) (1 -2) (3) (4 -5) <br />African fern -pine <br />English hawthorn <br />Modesto ash <br />English walnut <br />Coast live oak <br />Valley oak <br />Black locust <br />Afrocarpus falcatus <br />Crataegus laevigata <br />Fraxinus velutina 'Modesto' <br />Juglans regia <br />Quercus agrifolia <br />Quercus lobate <br />Robinia pseudoacacia <br />1 1 <br />1 1 <br />2 2 <br />1 1 2 - 4 <br />1 3 4 <br />1 1 <br />1 1 <br />Total 1 2 3 8 14 <br />