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PLN2013-00045;San Leandro Downtown Technology Campus/Westlake Development Partners,LLC.;1333 Martina Street January 2014 Mitigated Negative Declaration Mitigation Measure#3: The applicant shall conduct pre-construction surveys for the presence of • nesting birds within each of the project sites. The project applicant shall retain a qualified biologist to conduct a pre-construction breeding-season survey(approximately February 1 through August 31-)to determine if any birds are nesting on or directly adjacent to the project area. The survey shall be conducted during the same calendar year that construction is planned to begin. If no nesting birds are found, no further action would be required. If nesting birds are found within the trees on or directly adjacent to the project area, the project applicant shall avoid all birds nest sites located in the project area during the breeding season (approximately February 1 through August 31), or until it is determined by a qualified biologist that all young have fully fledged (left the nest). If the construction cannot be delayed, avoidance shall include the establishment of a non-disturbance buffer zone around the nest site. The size of the buffer zone will be determined in consultation with the CDFG. The buffer zone shall be delineated by highly visible temporary construction fencing,and shall remain in place until it is determined by a qualified biologist that all young have fully fledged (left the nest). Mitigation Measure#4: The applicant shall cease any grading or construction activities and shall consult with appropriate representatives of the Native American Heritage Commission if human remains are discovered, in accordance with State Law and Section 7050.5 of the Health and Safety Code, Section 15064.5 (e) of the State CEQA Guidelines and Section 5097.98 of the Public Resources Code. Mitigation Measure#5: The City of San Leandro has incorporated the 2012 International Building Code into its municipal building code(Title 7, Chapter 7-5). The project applicant would be required to comply with all applicable State and City regulations to address potential geologic hazards associated with the proposed project, including ground shaking and liquefaction. Geotechnical and seismic design criteria must conform to engineering recommendations in accordance with the seismic requirements of the 2013 San Leandro Building Code. Additionally, because the project site is in a liquefaction Seismic Hazard Zone, the project applicant will be required to comply with the guidelines set forth by California Geological Survey Special Publication 117. Mitigation #6: Applicant shall be required to excavate, remove and recompact potentially liquefiable soil. In-site ground densification, for example, compaction with vibratory probes, dynamic consolidation, compaction piles,compaction grouting, etc., shall be conducted. Ground • modification techniques, such as permeation grouting, columnar jet grouting, deep soil mixing, stone columns, gravel or other drains shall be implemented, and deep foundations shall be put in place to mitigate potential liquefaction-induced settlement impacts. Implementation of Mitigation Measure#6 reduces potential impacts to a less than significant level. Mitigation Measure#7: (Subsurface Investigations) Subsurface investigations are required prior to development of the San Leandro Downtown Tech Campus. The sampling and analysis•programs will be specific to each site based on the prior uses of that site. Additional groundwater sampling and analysis program will be implemented if necessary for chemical constituents that could have migrated onto the sites from off-site upgradient sources, if identified during due diligence. Detection limits for the analytical program will be sufficiently low to allow assessment of risks to human health under construction worker and residential exposure scenarios. •