ArboristReport-10159SouthBlaney-2800Homestead.pdf .........................
A • PL� L1 �
GROW YOUR FOREST IN THE CLOUD
Arborist Report for
10159 South Blaney & 20800 Homestead Rd
Prepared on 09/02/2016
Prepared by
Sarah Gaskin
ISA Certified Arborist WE-9519A
1900 Bates Ave.Suite L
Concord,CA 94520
(866)815-2525
sarahC�aplustr��.c�rrr
www.aplustree.com
Background I, Sarah Gaskin, ISA Certified Arborist with A Plus, have been the managing Arborist for
Prometheus Real Estate Group's owned and managed properties since 2012. Over the course of
Information my assignment, I have been managing the properties with an overall view of their urban forest
health as a whole. Not only are species diversity and age diversity important factors, but also
long-term planning in terms of future growth, liability and sustainable practices with the current
species population.
Keeping this is in mind,the Red Ironbark Eucalyptus(Eucalyptus sideroxylon) is one species I've
been working to phase out from their landscape since 2012 due to the hazardous nature and
poor structure of that particular species.
This report is concerning thirteen (13) Red Ironbark Eucalyptus trees located at 10159 South
Blaney, (also known as The Biltmore) and six (6) Red Ironbark Eucalyptus trees located at 20800
Homestead Rd (also known as Markham).
There have been several limb failures in these trees in past and recent years, evident from
tear-outs and that can be seen in their canopies. Prometheus is seeking to obtain a tree removal
permits these trees with the intention to replace them on a 2:1 ratio with a several species that
are more suitable for the site.
Assignment The assignment is to identify the Red Ironbark Eucalyptus trees to be removed from 2 properties
owned by Prometheus located at 10159 South Blaney and 20800 Homestead Rd,to provide
(and any reason for removal, and to provide a removal and a replacement plan in conjunction with the
limiting city tree ordinance with the purpose to obtain permit for removal.
factors)
Factors are limited only to the Red Ironbark Eucalyptus trees in this report. This is a visual
inspection from ground grade only.
1
Thirteen (13)Trees located at 10159 South Blaney,The Biltmore:
Observations
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Y � � � �� ' Fi�tl i�aerl��rk � �uu:�fypaa�� 1".� �4� hNav�yar Cv'Hrvkqe� Cv��vke�+a biBr��a �4 �ax �.
i ��` Gd ' Eud:dl�p¢�us sici�aaxp�lon i i � 'PAa�y+�r � i
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.... EWa.dl 6�us slci�Qax�.. — ..... ......... ._ _.....
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......... �g� '� Eua:alyptlaas ......... s�i�ieaa:x�yban ......... ......... ......... ......... ......... .........
fi�� �`�. ��'�.�. w Red lrtanrk�a�k ... Eu��lypCus . ........13 ..... �iQ........ Er�li�h��.k C�uaercus¢a'��uQ ........24 E�rx ..... � ......
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......... ,�m: Eu,c�lypCuas ......... sid�zr�x�}�barr ......... ......... ......... hMa�ale� ....... `F1rn7shrcur�" ......... .........
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2
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� " �� M Eu�:�lyp6u� � s�i�i�rc��,xybon � � �F4rrr7stra�rcy R��i "�a�ti�i�ar�'Y I I
......... �,;..�....... ......... ......... ......... ......... h���le� ....... Acer ruirrum ......... .........
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Eu�:�lyptuas s,i�i�zauxylan M��y�r'
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t�l r R�r�Ilrae�'��itk , EWa�I �aas 2� 91 F4rmstrc�u7 Re�3 ��er r.. —
— �P cy u�+ru�m �4 ��rx �
......... p,.;.�° ..... Eu:.calypaus ......... si�r��zaax�ybarr ......... ......... ......... h���le� :.Arrnst�:rm�r�. ......... .........
......... �Piv i,.����if I ......... ......... ......... ......... ......... ......... .........
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Eu��ly�wuas si�i�vaxylr�rr "Fastix�iat�'
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3
Six (6)Trees located at 20800 Homestead Rd, Markham:
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1 � �'� /� " Rer�IzainW�aak Eua:�l'Y�a¢�a�s 34 �Q"7 3wc�t�ay „I�a+�rr�lua ���4 Eax 2
I � �; Eu�:�ly�aCuu.� � �id�aa���yl�rr � Mle�r.�rr��l6�a vira�urrGr�r�a . I
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�� Eu�:,�ly�a9wa� �id�ao�s��yl�rrr "4���ti�iaa,�
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. :' ��'°� Eum.:e�l Cw.�s � �i�i�zrrt��x Inn � , P�'e� nm�lbrs wir inruan� �
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......... Eu�dly�C�us ......... si�i�za�r�:x�Y�,nn ......... ......... "'Fasti�c�iala ......... .........
......... � ......... ......... ......... ......... ......... .........
......... � ......... ......... ......... ......... ......... .........
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6 � ��. p� E�d�az�in�+us� s�i Qax�lun 24 ......... �� ......... . E...�IishiQ�k........ �Faslit�aa'��ur .�4 �2rx 2
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f6� .; Reti�lac�in��Kk ....... Eu�c�ly�b�as .....�E ........ 9�5 ......... . J�.pan�es�e........ ZelkmvasErrala .�4 �rax 2
........ Eu�aly�aC+uS ......... sl�i�Qax'yl�un ......... '....... Z�I.kDva . 'Gree�rr V�se ......... '.......
......... ����I� ......... ......... ......... ......... ......... .........
......... i;J ......... ......... ......... ......... ......... .........
......... ��.,: ......... ......... ......... ......... ......... .........
Testing and
Analysis There were no soil,tree or other physical testings.
4
Discussion
All nineteen (19)trees listed in the tables above have multiple leaders and poor structure.
Suckers have become large branches whose attachments are significantly weaker. Limb failures
have occurred on several of these trees already. Future limb failures are probable.
This species of tree is not only an undesirable species to have in an urban forest community, but
they are common to limb breakage and failures. The 13 trees located at Biltmore, and the 6 trees
located at Markha all have very poor structure, multiple leaders and weak attachments.The
multiple leaders have V-shaped angles at the crotch with signs of included bark, which areas are
also significantly weaker than if the co-dominants had a U-shaped crotch. The included bark at
the crotch is a significant point of structural weakness and acts as a wedge and force the branch
union to split apart. The target of these trees are high: in a populated community and adjacent
to buildings, walkways and parking lots.
Recommenda
tIOnS The recommendation is that these nineteen (19)trees be removed from the landscape,
especially before the winter season, and be replaced with thirty-eight (38) 24" box trees in the
same or nearby locations.
Species recommendations for the site, need and space are listed in the table above. Locations of
the removal and replacement locations are in the Attachments I-II below.
5
Attachments
Attachment I
Ren7av�l Loe�ti�an,
Md�J Of PEY1lOVd�dllC� ^r�rarara emram
,.,,,,,.,,,�,a, , �"�
replacement ��A��
s��na � ..� Fr�u,wuu; ..... ..... ��,���
i�wfai�u�:u� wx��r�u
locations of trees �,, „ , ���, �� ��� , �„�,��
located at: ' �q�������� �� � ` ����
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10159 South j��K��u� "���' ,r��,��� ��,r,� ���,�
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6
Attachment II
F�����^�I Lra��tic�r�� � � � � � � � "
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Map of removal and � "` "
;
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replacement � ° " � � � ` " "` �
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locations of trees � " � � �� � � � � ����
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