arborist report tr-2018-15.pdf��c�-k VI►ILEY THEE
Free Estimates
p~C;0411%�ossiona\
West Valley Tree Care
954 HENDERSON AVE. SPC# 87, SUNNYVALE CALIFORNIA, 94086
408 390 0316
ARBORIST REPORT
Customer: Yu Jiang
RE: 20234 Northglen Sq.
Cupertino, CA 95014
TREE INFORMATION
Common Name: Coast Live Oak
Botanical Name: Quercus agrifolia
Height of Tree: 40 feet
Diameter of tree at 54 inches above the natural grade: 13 inches
Circumference of tree at 48 inches above natural grade: 43 inches
NATURE OF WORK:
Tree removal permit
CONDITION OF TREE:
This Coast Live Oak is a maturing tree, located in the backyard 63 inches close by the house. This tree is
a little leaning towards the house. The crown is already over the roof. The tree is in very good healthy
condition. The shallow roots is lifting up the concrete in the patio, it is a hazard. This patio is very small
about 161 square feet.
ARBORIST RECOMMENDATION:
The property owner need to fix the damage cause by the roots in his patio, but he need to removal large
roots in the proposed project would likely impact the tree and increase the risk of failure.
This tree is located in very close the house, in the future it will cause more issues to the property owner
such the strong roots will crack the foundation, the trunk and canopy will damage the gutter and the
roof.
In my opinion the removal of the tree is necessary to fix the concrete and the oak tree proposed for
removal is located close by the house and project will likely impact the structure and stability of the tree
and increase the tree risk of the tree failure.
The owners, they don't have enough space in their patio for the replacement. The patio is about is 161
square feet, the mostly area there are concrete and area for plant is too small , they have a beautiful
Japanese maple in center the patio that reduce more the area for planting a new tree.
The best option is allowed them pay in lieu fee
Juan avila
ISA Certified Arborist
WE 9595-A