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Arborist Report—Gudaitis Residence, Pleasanton Page 2
<br /> January 19, 2021
<br /> management and monitoring, and may have shorter life span than
<br /> those in 'high' category.
<br /> Low: Tree in poor health or with significant structural defects that cannot be
<br /> mitigated. Tree is expected to continue to decline, regardless of
<br /> treatment. The species or individual may have characteristics that are
<br /> undesirable for landscapes and generally are unsuited for use areas.
<br /> Description of Trees
<br /> Forty(41)trees representing 10 species were evaluated (Table 1). Overall, fifteen (15)of the
<br /> trees assessed were in good condition, twelve (12) trees were in fair condition, and thirteen (13)
<br /> trees were in poor condition. One tree was dead. Seventeen (17)off-site trees, including one
<br /> street tree, were assessed which had canopies extending near the work site. Descriptions of each
<br /> tree are 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 /> Gudaitis Residence, Pleasanton, CA
<br /> Common Name Scientific Name Condition Total
<br /> Dead Poor Fair Good
<br /> (0) (1-2) (3) (4-5)
<br /> Blackwood acacia Acacia melanoxylon - 6 1 - 7
<br /> Pecan Carya illinoinensis - - - 1 1
<br /> Persimmon Diospyros kaki - 1 - - 1
<br /> Evergreen ash Fraxinus uhdei - 3 5 - 8
<br /> California black walnut Juglans hindsii 1 1 - - 2
<br /> Mulberry Morus sp. - - 1 - 1
<br /> Chinese pistache Pistacia chinensis - - 1 - 1
<br /> Coast live oak Quercus agrifolia - - 3 1 4
<br /> Valley oak Quercus lobata - - 1 1 2
<br /> Coast redwood Sequoia sempervirens - 2 - 12 14
<br /> Total 1 13 12 15 41
<br /> The project site contained tree species common to many Bay Area residential landscapes and
<br /> streets, particularly in the Tri-Valley area, and included a few fruit trees. The most common trees
<br /> in the project vicinity were coast redwoods, all but one of them off site. There were 14 redwoods,
<br /> which made up about 34% of the population. Most of the redwoods were in good condition (12
<br /> -iortScience I Bartlett Consulting. Divisions of The F.A Bartlett Tree Expert Company
<br />high", "moderate" or"low". Suitability for
<br /> preservation considers the health, age and structural condition of the tree, and its
<br /> potential to remain an asset to the site for years to come.
<br /> High: Trees with good health and structural stability that have the potential
<br /> for longevity at the site.
<br /> Moderate: Trees with somewhat declining health and/or structural defects that
<br /> can be abated with treatment. The tree will require more intense
<br /> HortScience I Bartlett Consulting • Divisions of The F.A. Bartlett Tree Expert Company
<br /> 325 Ray St.Pleasanton, CA 925.484.0211 • www.hortscience.com
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