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City of Pleasanton—Hidden Canyon Residences and Preserve <br />Draft EIR Executive Summary <br /> <br /> <br />FirstCarbon Solutions ES-31 <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec00-03 Exec Summary.docx <br />Design recommendations <br />a. Locate the trunk of all trees <br />recommended for preservation that are <br />located within 25 feet of the edge of <br />grading and/or utility installation. <br />Include trunk locations and tree tag <br />numbers on all plans. <br />b. Establish a Tree Protection Zone (TPZ) <br />around each tree to be preserved. For <br />design purposes, the TPZ shall be 3 feet <br />behind the edge of grading. No grading, <br />excavation, construction or storage of <br />materials shall occur within that zone. <br />c. Install protection around all trees to be <br />preserved. No entry is permitted into a <br />TPZ without permission of the Project <br />Superintendent. <br />d. Use only herbicides safe for use around <br />trees and labeled for that use, even <br />below pavement. <br /> <br />Pre-construction and demolition treatments <br />and recommendations: <br />1. The demolition contractor shall meet <br />with the Consulting Arborist before <br />beginning work to discuss work <br />procedures and tree protection. <br />2. Trees to be preserved may require <br />pruning to provide adequate clearance <br />from construction activities. All pruning <br />shall be performed by a licensed State <br />of California contractor possessing the <br />C61 classification license and the D49 <br />specification. All pruning shall adhere to <br />the latest editions of the American <br />National Standards Institute Z133 and <br />A300 standards.