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ATTACHMENT 4 <br />_':+.k - J <br />~' <br />October 20, 2006 <br />Mr. Mike Carey <br />327 Saint Mary's St. <br />Pleasanton, CA, 94566 <br />Subject: Assessment of impacts to valley oak <br />225 W. Angela St., Pleasanton CA <br />Dear Mr. Carey: <br />Puo ~55 _ <br />~~ .~ ~~ <br />:'~.V ~~ ~ 'Q~7 <br />i~I~TY Ui+ ~'~EASANTON <br />PI~~A~Nii~C DEPT. <br />You are planning to redevelop the property at 225 W. Angela Street, in Pleasanton. The <br />city of Pleasanton requested that the potential impacts to trees from the proposed <br />development be assessed. HortScience, Inc. was asked to visit the site, inspect the tree <br />and assess the potential impacts to the tree. This letter rBSponds to that request. <br />Ti~ae observations <br />I visited the site on October 5, 2006. One (1) valley oak (Quer~cus lobate) tree was <br />located in the northeast comer of the lot <br />The tree was 28' in diameter and was <br />in fair condition. It had a corrected ~, <br />lean from the base, possibly indicating '.- <br />that the tree partially up-rooted at <br />some point in the past (Photo1, '°~~~ <br />inset). Muhiple branches arose at 12' <br />with narrow attachments. , <br />Several wounds were present at <br />various heights along the tree trunk. <br />For the most part, these appeared to <br />be pruning wounds. A large trunk <br />wound at the base on the east had a <br />large metal pipe embedded in it <br />(Photo 2, following page). <br />Although the the had <br />grown around the pipe, the <br />wound is an entry point for <br />decay pathogens. An <br />accurate assessment of <br />internal decay could not be ~ <br />made as the tree had <br />grown over the pipe. <br />. `.~ <br />~r._~.urw <br />Photo 1: The tree was a <br />';' : 28" diameter valley oak in <br />t fair condition. It had a full <br />crown and a corrected <br />lean from the base (inset). <br />~ . :~~~.~ <br />.~y: <br />. . 0. 4:~ -'5d <br />