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City of Pleasanton—Hidden Canyon Residences and Preserve <br />Biological Resources Draft EIR <br /> <br /> <br />3.3-32 FirstCarbon Solutions <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec03-03 Bio Resources.docx <br />Areas proposed for preservation by the project would meet the EACCS goals of <br />preserving a mosaic of habitats at an approximate 3:1 ratio, including woodland and <br />upland habitats adjacent to riparian woodlands. The majority of the proposed open <br />space consists of upland habitats (i.e., grasslands). <br />MM BIO-1d Mitigation Measures for Golden Eagle, White-tailed Kite, Norther Harrier, and <br />Migratory Birds <br />Trees planned for removal shall be removed during nonbreeding season (September <br />1 through January 31). If it is not possible to avoid tree removal or other <br />disturbances during breeding season (February 1 through August 31), a qualified <br />Biologist shall conduct a pre-construction survey for tree-nesting raptors and other <br />tree- or ground-nesting migratory birds in all trees or other areas of potential <br />nesting habitat within the construction footprint and within 250 feet of the <br />footprint. This survey shall be conducted no more than 7 days prior to initiation of <br />demolition/construction activities during the early part of breeding season <br />(February 1 through April 30), and no more than 30 days prior to initiation of these <br />activities during the latter part of the breeding season (May 1 through August 31). If <br />nesting raptors or migratory birds are detected on the project site during the survey, <br />a suitable construction-free buffer will be established around all active nests. Precise <br />dimensions of the buffer (up to 250 feet) would be determined at that time and may <br />vary depending on location and species. Buffers will remain in place for the duration <br />of breeding season or until it has been confirmed by a qualified Biologist that all <br />chicks have fledged and are independent of their parents. Pre-construction surveys <br />during nonbreeding season are not necessary, as birds are expected to abandon <br />their roosts during construction activities. Implementation of the above measures <br />would mitigate impacts to tree-nesting raptors and other migratory birds to a less <br />than significant level. <br />Specific East Alameda County Conservation Strategy Avoidance and Minimization <br />Measures for the golden eagle <br />Although nesting habitat is marginal on the development site and its proximity, in <br />the unlikely event that an eagle did nest on the project site, the following mitigation <br />would ensure that the project does not cause nest abandonment. Pre-construction <br />surveys for other nesting birds and raptors shall include a survey for nesting golden <br />eagles to determine their presence or absence within 250 feet of the development <br />footprint. <br />• If an active nest is identified near a proposed work area, work shall be conducted <br />outside of the nesting season (February 1 to September 1). <br />• If an active nest is identified near a proposed work area and work cannot be <br />conducted outside of the nesting season, a no-activity zone shall be established <br />by a qualified Biologist. The no-activity zone will be large enough to avoid nest <br />abandonment and at a minimum will be a 250-feet radius around the nest.