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City of Pleasanton—Hidden Canyon Residences and Preserve Project <br />CEQA Findings of Fact and Statement of Overriding Considerations <br /> <br /> <br />18 FirstCarbon Solutions <br />Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/FOF/21480016 Pleasanton Hidden Canyon Residences and Preserve Project FOF.docx <br />Additionally, Focal Species Impact/Mitigation Scoring Sheets located in Appendix E <br />of the East Alameda County Conservation Strategy (EACCS) were used as part of the <br />assessment for suitability of mitigation lands for Alameda whipsnake. Standardized <br />mitigation ratios for Alameda whipsnake, according to Table 3-9 in the EACCS, are as <br />follows: <br />1. If the development area is within critical habitat and the mitigation area is within <br />critical habitat, and both are within the same Recovery Unit (both areas in this <br />case are within Recovery Unit 3) the mitigation ratio is 3:1. <br />2. If the development area is outside of critical habitat but inside a Recovery Unit <br />and the mitigation area is outside critical habitat but inside the same recovery <br />unit, the mitigation ratio is 3:1. <br />3. If the development area is outside of critical habitat but inside a Recovery Unit <br />and the mitigation area is inside critical habit and within the same Recovery Unit, <br />2.5:1. <br />4. All other types of mitigation would require site-specific agency approval. <br /> <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, Northern 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 />   <br /><br /> <br /> <br />