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City of Pleasanton—Hidden Canyon Residences and Preserve Draft EIR Biological Resources FirstCarbon Solutions 3.3-21 https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec03-03 Bio Resources.docx New Property Development A. According to Section 17.16.050 New Property Development, any person desiring to remove one or more trees on any property in the City which is related to the development of such property requiring City approval or where any tree may be affected by a proposed development shall include in the application to the appropriate City reviewing body as part of the regular application, the following: • Depending on the scope of the development, the director may require the applicant to provide a tree survey plan, including all trees which will be affected by the new development. • Depending on the scope of the development, the director may require the applicant to provide a tree report by a certified consulting Arborist. • The tree survey plan and tree report (if any) shall be forwarded to the director. • The City reviewing body through its site and landscaping plan review shall endeavor to preserve all trees recommended for preservation by the director. • Approval of final site or landscape plans by the appropriate City reviewing body indicating which trees are to be removed shall constitute the approval and permit for the purpose of this chapter. B. Depending on the scope of the development, the director may require that prior to acceptance of subdivision improvements or final inspection, the developer shall submit to the director a final tree report to be performed by a certified consulting Arborist. C. Prior to the issuance of any permit allowing construction to begin, the applicant shall post cash, bond or other security satisfactory to the director, in the penal sum of greater of either $5,000.00 or the appraised value for each tree required to be preserved, up to a maximum of $100,000. D. An applicant with a proposed development which requires underground utilities shall avoid the installation of said utilities within the dripline of existing trees whenever possible. E. Any decision by a City reviewing body under this section may be appealed pursuant to Chapter 18.144. Creek Setback The City of Pleasanton determines appropriate creek setbacks on a case-by-case basis. The City establishes required setbacks, which are guided by geological stability and habitat significance to this creek to the City. The City of Pleasanton has issued a 30-foot setback from the centerline of the creek for this project. 3.3.6 - Methodology Descriptions and analyses in this section are based on field surveys performed by LOA Biologists between May 2014 and September 2023, along with the Biological Evaluation conducted by LOA in 2023 and revised in 2025. The updated 2020 Tree Report was prepared for the proposed project by HortScience|Bartlett Consulting. It should be noted that while all trees exceeding 6 inches in diameter were surveyed during the 2020 Tree Report, only those meeting the criteria for Heritage Trees are protected under the City’s Tree Protection Ordinance. Given that tree growth rates typically