TR-2016-30b I�EP�'ll'1l�I�1V�'OF COI�iIll�BJ1VI'I'�C I���IELOI'M�IV'I'
,��
CIT'Y HALL
10300 TORRE AVENUE � CUPERTTNO,CA 95014-3255
�����'�'�' � (408)777-3308 �FAX(408)777-3333 ��lanning@cu�eriino.or�
August 24, 2016
Henry Huang
10900 D'�rea Road
Cupertino, CA 95014
SUBJECT:TREE RElVIOVAL PERMIT ACTION LETTER—1�ppli.�atao�'7C7[Z-20��-30
This letfer confirms the decision of the Director of Community Development, given on August 24, 2016
approving a Tree Removal Permit to allow the removal and replacement of a hazardous Quercus lobata
(Valley Oak), located at 10900 Drea Road. �
S�aff has made the fanding that tli.e p��fected $ree is �rrevers�.b�y diseased, gn s�anger �� �alliaag, a�d.
ca� cau�e pote��ia� dannage to exYsting o�p��posed essex�tial sf�ctu.res. '�'l�e ���posed re�l�ceanen� '
plan is consiste�t vvifh t�e ]Prmtected B'�ee ��dinamce sgnce the applicanf is �eplacia�g the��ee o�.site,
a�d the��nbex of replacement�s consiste�t�rifl�the o�clinance.B'he fg�d.i�g is�ecessa��o grant the
tree�eraloval perxn�.t yr�a�e�rc�.amce vvith sectio�a 14.1�.180 (1�) (1).
The application is approved with the following conditions:
1. APPROVED PROTECT
This approval is based on the arborist reporf prepared by Larry Van Groningen(#WE-9151A), dated
July 19, 2016, consisting of twelve pages including a tree removal and replacement site plan, except ,
as inay be amended by conditions in this resolution.
2. TREE REPLACEMENT
The required replacement tree is one 24-inch box Quercus lobata (Valley Oak) as indicated on the site
plan. The applicant shall provide the Department of Community Development adequate
documenfation, including but not Iisnited to photographs, receipts or invoices, to verify that the
replacement tree has been planted within 30 days of tree removal.
3. PROTECTED TREES
The applicant understands that replacement trees are protected trees and may not be removed
without a Tree Removal Permit and that they shall be responsible for ensuring the proper
mainfenance and care of the trees. The applicant shall also disclose the location and species of all
replacement and protected trees oi1 site upon sale of the property.
4. NOTICE OF FEES DEDICATIONS RESERVATIONS OR OTHER EXACTIONS
The conditions of Project Approval set forth herein may include certain fees, dedication
requirements,reservation requirements, and other exactions. Pursuant to Government Code Section
66020(d) (1),these Conditions constitute written notice of a statement of the amount of such fees,and
a description of the dedications, reservations, and other exactions. You are hereby notified that the
90-day approval period in which you may protest these fees, dedications, reservations, and ofiher
exaction,pursuant to Government Code Section 66020(a),has begun.If you fail to file a protest within
this 90-day period complying with,all of the requirements of Section 66020,you will be legally barred
from later challenging such exactions.
Sincerely,
,�r�.����`�,`�-%��'
C__.-�
Ellen Yau
Assistant Planner
(408) 777-1360 �
elleny@cupertino.org
, � �
�a�� T�ee Assessrne�t and �eco�mend��o�r�
Henry Huang
10900 Drea Rd
Cupertino, �CA 95014
408-806-5498
henry.hehuang@gmailocorn
July 19, 2016
Report Prepared � y :
Larry Van Groningen
G.SoA. Certified Arborist #WE-9151 A
Qualified Applicafior License #117443
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Henry Huang Tree Assessment and Recommendations July 19, 2016
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�_ Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
��, � 408-836-9147 Office larry.bayareatreespecialists@gmaiLcom
�.��' �,�� 541 W.Capitol Expwy#287 San Jose, Ca 95136 2
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Henry Huang Tree Assessment and Recommendations July 19, 2016
����������
I was asked to provide an assessment for a Valley Oak tree located at 10900 Drea Rd.,
Cupertino, CA 95014 and make recommendations. I inspected the site on July 18, 2016.
����������
� Inspect one Valley Oak tree for health and safety.
� Provide report outlining findings and recommendations.
������� �� ��� ���9������
No aerial inspection, trenching or resistance drilling was performed. �
No Biological tests were performed.
Only a visual inspection from the ground was performed.
������� ��� ��� �� ��8� ������
The purpose of this repart is to provide recommendations regarding this tree that has caused
a concern.
������������
The Valley Oak (Quercus lobata), is located in front of the home on north side of
property.'(Appendix A: Site Overview).
This free:is approximately 40 feet tall with a trunk diameter of 38 inches. The average canopy
spread is about 50 feet. Targets include two occupied dwellings. It is 20 feet from one of the
homes.(Appendix B)
The bark is peeling off all around the lower 8 feet of main stem, indicating rapid decline in
health and interior dry rot that is not visible with the naked eye. (Appendix B1)
Root flare has large cavity and is non-existent on east side of tree. (Appendix B2)
Main stem shows evidence of dry rot and cavities, indicating another area of lack of structural
integrity. (Appendix B3)
� Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
�- ' �,, 408-836-9147 Office larry.bayareatreespecialists@gmaiLcom
�'%,��.�� 541 W.Capitol Expwy#287 San Jose, Ca 95136 3
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Henry Fivang Tree Assessment and Recommendations July 19, 2016
�����������0���
With the excessive;amount ofirot and decay at the root flare, age of tree and location, I
recommend that this tree be removed as soon as possible.
I recommend a 24" box Valley Oak (Quercus lobata) replacement tree be planted in the same
location as the one removed.
While I do understand the importance of replanting larger trees to sustain our urban forest, I
believe in this instance a 24" box would be best.
The area is not large_enough to use a 36" box because of paver stone driveway and wall on
backside of tree. See Appendix B"below.
The fence from Deep Cliff Golf Course is on the backside of the house, leaving no back yard.
There is no other location on this property that is large enough to plant a 36" box tree.
�����T����, ���L������
The tree canopy was inspected for the following structural defects that may contribute to
failure: dead branches, previous failures, to�pa�g or head cuts, broken branches,
c�c�o�a�uou�aa�� sge�s, and live crown ratio. I looked for symptoms of decay such as�►►oas�u�s,
c�vi�oes, cracks, �a�ra�a9 c�s�9cs, ca�kers, �aeec�¢a�g and loose bark on both the stem and root
collar, which indicate structural defects:
�������� �� �����
��eed��g: Flow of sap from plant wounds, injuries, or pathogen invasion.
Ca�a�C��-: Localized diseased area on stems, roots and branches. Often shrunken and
discolored.
Cavigoes: Open or closed hollow within the tree stem, usually associated with decay.
Co�Borrair�ant s�&ern: Forked branches nearly the same size in diameter, arising from a
common juncfion and lacking a normal branch union:
C�-i�ical Root Zorae: CRZ is the area of soil around the trunk of the tree where roots are
located that provides stability and uptake of water and nutrients required for tree survival. The
CRZ is the minimum distance from the trunk that trenching or root cutting can occur.
�ias�ete�a� breas� he�gh� (D�&�): Measures at 1.4 meters (4.5 feet) above ground in United
States.
Fa�ra��I co�ks: Fruiting body or non fruiting body of a fungus. Often associated with decay.
�'o�pa�g: Inappropriate pruning technique to reduce tree size. Cutting back a tree to a
predetermined crown limit, often at internodes.
,.-� ` Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
l ' ��, 408-836-9147 Office larry.bayareatreespecialists@gmail.com
�r'.�,���.,�,�,��� 541 W.Capitol Expwy#287 San Jose, Ca 95136 4
Henry Huang Tree Assessment and Recommendations July 19, 2016
APPPENDIX A: SITE OVERVIEW
SITE PLAN: EXISTING & REPLACEMENT TREE
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The yellow pin indicates the location of the Valley Oak tree.
REMOVE: 38" diameter Valley Oak
REPLACEMENT: 24-inxh box Valley
Oak in same location
� _ Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
`� �' `� ' 408-836-9147 Office larry.bayareatreespecialists@gmail.com
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Henry Huang Tree Assessment and Recommendations July 19, 2016
APPENDIX B: TREE PHOTOGRAPHS
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Photo of bark falling away from main stem.
� ��^ Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
�" �'' 408-836-9147 Office larry.bayareatreespecialists@gmail.com
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Henry Huang Tree Assessment and Recommendations July 19, 2016
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Absence of root flare and cavity on east side of tree.
The root flare is the transitional zone from trunk to roots where the trunk expands into the
buttress or structural roots.
,� �� !� ... Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
�' �•' � �� ' 408-836-9147 Office larry.bayareatreespecialists@gmail.com
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Henry Huang Tree Assessment and Recommendations July 19, 2016
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Photo of dry rot and cavity on main stem.
� �. Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
�" ���� -� ' 408-836-9147 Office larry.bayareatreespecialists@gmail.com
�i.�l����� k��� 541 W.Capitol Expwy#287 San Jose, Ca 95136 � 9
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Henry�Huang Tree Assessment and Recommendations July 19, 2016 I
��������������y �����������y ��� �����8�� ������0���
Any legal description provided to the arborist is assumed to be correct. Any titles or
ownership of properties are assumed to be good and marketable. All property is appraised or
evaluated as though free and clear, under responsible ownership and competent
management.
All property is presumed to be in conformance with applicable codes, ordinances, statutes,
or other regulations.
Care has been taken to obtain information from reliable sources. However, the arborist
cannot be responsible for the accuracy of information provided by others.
The arborist shall not be required to give testimony or attend meetings, hearings,
conferences, mediations, arbitrations, or trials by reason of this report unless subsequent
contractual arraignments are made, including payment of an additional fee for such service.
This report and any appraisal value expressed:herein represent the opinion of the arborist,
and the arborist fee is not contingent upon the reporting of a specified appraised value, a
stipulated result, or the occurrence of a subsequent event.
Sketches, drawings, and photographs in this reporf are intended for use as visual aids, are
not necessarily to scale, and should not be construed as engineering or architectural reports
or surveys. The reproduction of information generated by architects, engineers, or other
consultants on any sketches, drawings, or photographs is only for coordination and ease of
referen_ce. Inclusion of said information with any drawings or other documents does not
constitute a representation as to the sufficiency or accuracy of said information.
Unless otherwise expressed: a)this report covers only examined items and their condition
at>the time of inspection; and b) the inspection is limited to visual examination of accessible �
items without dissection, excavation, probing, or coring. There is no warranty or guarantee,
expressed or implied, that structural problems or deficiencies.of plants or property may not
arise in the future.
,,.- ` Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
,/ ,� � � 408-836-9147 Office larry.bayareatreespecialists@gmail.com
�$������`:.:���;w�v 541 W.Capitol Expwy#287 San Jose, Ca 95136 10
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Henry Huang Tree Assessment and Recommendations July 19, 2016
������0������ �� �����������
I, Larry Van Groningen, Certify:
That I have personally inspected the tree(s) and/or the property referred to in this report,
and have states my findings accurately. The extent of the evaluation and/or appraisal is stated
in the attached report and Terms of Assignment;
That 1 have no current or prospective interest in the vegetation or the property that is the
subject of this report, and I have no personal interest or bias with respect to the parties
involved; '
That the analysis, opinions and conclusions stated herein are my own;
That my analysis, opinions, and conclusions were developed and this report has been
prepared according to commonly accepted Arboricultural practices,
'That my compensation is not contingent upon the reporting of a predetermined conclusion
that favors the cause of the client or any other party, nor upon the results of the assessment,
the attainmenf of stipulated results, or the occurrence of any other subsequent events;
I further certify that I am an I.S.A. Certified Arborist in good standing with The International
Society of Arboriculture. I hold a valid Qualified Applicators License with California
Department of Pesticide Regulation. I am a Certified Treecare Safety Professional in good
standing with TCIA.
I have been involved with the practice of Arboriculture and the care and study of trees
since 1997.
Larry C. Van Groningen
I.S.A. Certified Arborist WE-9151A
Certified Treecare Safety Professional 01812
Qualified Applicator License 117443
.� `, Larry VanGroningen-Bay Area Tree Specialists -408-679-7117 Mobile
i`� �, 408-836-9147 Office larry.bayareatreespecialists@gmail.com
��.��'�..,��;� 541 W.Capitol Expwy#287 San Jose, Ca 95136 11
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Henry Huang Tree Assessment and Recommendations July 19, 2016
APPPENDIX A: SITE OVERVIEW
SITE PLAN: EXISTING & REPLACEMENT TREE
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The yellow pin indicates the location of the Valley Oak tree.
REMOVE; 38" diameter Valley Oak
REPLACEMENT: 24-inch box Valley Oak in same location
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� ��, Larry VanGroningen-Bay Area Tree Specialists -408-6.79-7117 Mobile
� -�� ' 408-836-9147 Office larry.bayareatreespecialists@gmail.com
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