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City of San Leandro 880 Doolittle Drive Industrial Project 1-10  Biological Resources: The proposed project would involve construction work near street trees just off the project site near the driveway that connects to Hester Street which may affect protected nesting birds in existing trees. Impacts to nesting birds would be reduced to less than significant with implementation of Mitigation Measure BIO-1. BIO-1 Nesting Bird Avoidance and Minimization Measures The following avoidance and minimization measures shall be implemented during project construction activities:  Initial site disturbance shall occur outside the general avian nesting season (February 1 through September 15), if feasible.  If initial site disturbance occurs in a work area within the general avian nesting season indicated above, a qualified biologist shall conduct a pre-construction nesting bird survey no more than 14 days prior to initial disturbances in the work area. The survey shall include the entire area of disturbance area plus a 50-foot buffer (relevant to non-raptor species) and 300-foot buffer (relevant to raptors) around the site. If active nests are located, all construction work shall be conducted outside a buffer zone from the nest to be determined by the qualified biologist. The buffer should be a minimum of 50 feet for non-raptor bird species and at least 300 feet for raptor species. Larger buffers may be required and/or smaller buffers may be established depending upon the species, status of the nest, and construction activities occurring in the vicinity of the nest. The buffer area(s) shall be closed to all construction personnel and equipment until the adults and young are no longer reliant on the nest site. A qualified biologist shall confirm that breeding/nesting is completed and young have fledged the nest prior to removal of the buffer.  If construction activities in a given work area cease for more than 14 days, additional surveys shall be conducted for the work area. If active nests are located, the aforementioned buffer zone measures shall be implemented.  Cultural Resources: Unanticipated archaeological deposits could be encountered and damaged during ground-disturbing activities required for project construction. Impacts to archeological resources would be reduced to less than significant with implementation of Mitigation Measure CR-1. CR-1 Unanticipated Discovery of Cultural Resources In the event that archaeological resources are unexpectedly encountered during ground- disturbing activities, work within 50 feet of the find shall halt and an archaeologist meeting the Secretary of the Interior’s Professional Qualifications Standards for archaeology (National Park Service 1983) shall be contacted immediately to evaluate the find. If the resource is determined by the qualified archaeologist to be prehistoric, then a Native American representative shall also be contacted to participate in the evaluation of the resource. If the qualified archaeologist and/or Native American representative determines it to be appropriate, archaeological testing for CRHR eligibility shall be completed. If the resource proves to be eligible for the CRHR and impacts to the resource cannot be avoided via project redesign, a qualified archaeologist shall prepare a data recovery plan tailored to the physical nature and characteristics of the resource, per the requirements of CCR Guidelines Section 15126.4(b)(3)(C). The data recovery plan shall identify data recovery excavation methods, measurable objectives, and data thresholds to reduce any significant impacts to cultural resources related to the resource. Pursuant to the data recovery plan, the qualified archaeologist and Native American representative, as