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City of Pleasanton—Hidden Canyon Residences and Preserve Draft EIR Executive Summary FirstCarbon Solutions ES-16 https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec00-03 Exec Summary.docx Impacts Level of Significance Before Mitigation Mitigation Measures Level of Significance After Mitigation the footprint. This survey shall be conducted no more than 7 days prior to initiation of demolition/construction activities during the early part of breeding season (February 1 through April 30), and no more than 30 days prior to initiation of these activities during the latter part of the breeding season (May 1 through August 31). If nesting raptors or migratory birds are detected on the project site during the survey, a suitable construction-free buffer will be established around all active nests. Precise dimensions of the buffer (up to 250 feet) would be determined at that time and may vary depending on location and species. Buffers will remain in place for the duration of breeding season or until it has been confirmed by a qualified Biologist that all chicks have fledged and are independent of their parents. Pre-construction surveys during nonbreeding season are not necessary, as birds are expected to abandon their roosts during construction activities. Implementation of the above measures would mitigate impacts to tree-nesting raptors and other migratory birds to a less than significant level. Specific East Alameda County Conservation Strategy Avoidance and Minimization Measures for the golden eagle Although nesting habitat is marginal on the development site and its proximity, in the unlikely event that an eagle did nest on the project site, the following mitigation would