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VT. Geology and Soils, continued Discussion: VI(a)[i, ii, iii]: San Leandro is located in a seismically active area and maybe impacted by earthquakes on the San Andreas, Hayward, and Calaveras Faults. The Housing Element advocates additional residential development within the City, thereby exposing a larger number of persons to potential seismic hazards, including surface rupture, ground shaking, and liquefaction. The Element also advocates the reuse of older commercial sites (for instance, the Town Center, Fiesta Plaza, and strip commercial uses along Dixon Landing Road) for housing. Site-specific soils and geotechnical studies will be required for all future residential projects. Appropriate design requirements will be established based on the findings. Current building codes include requirements to mitigate hazards associated with construction in earthquake-prone areas, reducing the impacts associated with the Housing Element to a less than significant level. The Midtown Specific Plan EIR confirmed that no additional mitigation measures are required to reduce this impact to a less than significant level. Structures must be designed in accordance with the most recent California Building Code and must include an evaluation of liquefaction and soil instability. VI(c) and (d): Some of the soils in San Leandro have the potential for liquefaction and expansion. Development on unconsolidated or alluvial soils could require more expensive design measures than development on other soil types. Building code and soil testing requirements will ensure that the potential for these hazards is anticipated when future housing projects are built. The Midtown Specific Plan EIR confumed that no additional mitigation measures are required to reduce this impact to a less than significant level. Structures must be designed in accordance with the most recent California Building Code and must include an evaluation of liquefaction and soil instability. Site-specific analyses of soil expansion and the water table must be included, with design requirements structured accordingly. VI(e): One of the housing sites (on Trade Zone Blvd) is currently served by a septic system and has yet to be connected to public sewer. The Housing Element includes an action program to work with the City of San Jose to establish sewer service to this site. No residential development would take place on the site until public sewer was provided. IMPACT WILL THE PROJECT: Less Than Potentially Significant Less Than Cumulative Significant With Significant No Source Impact Mitigation Impact Impact Incorporation VII. HAZARDS AND HAZARDOUS MATERIALS: a) Create a significant hazard to the public or ~ ~ ~ ~ ® 11,12, the environment through the routine 26 transport, use, or disposal of hazardous materials? b) Create a significant hazard to the public or ~ ~ ~ ~ ® 11,12, the environment through reasonably 26 foreseeable upset and accident conditions involving the release of hazardous materials into the environment? Initial Study* San Leandro Housing Element Update* Page 12 November 12, 2002