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<br />ISSUES <br /> <br />POTENTIALLY <br />SIGNIFICANT <br />ISSUES <br /> <br />POTENTIALLY <br />SIGNIFICANT <br />UNLESS <br />MITIGATION <br />IN CORPORA TED <br /> <br />LESS THAN <br />SIGNIFICANT <br />IMPACT <br /> <br />NO <br />IMPACT <br /> <br />SOURCES <br /> <br />ii) Strong seismic ground shaking? X 2,4 <br />iii) Seismic-related ground failure, including X 2,4 <br /> liquefaction? <br />iv) Landslides? X 2.4 <br />b. Result in substantial soil erosion or the loss of X 2 <br /> topsoil? <br />c. Be located on a geologic unit or soil that is X 4 <br /> unstable, or that would become unstable as a <br /> result of the project, and potentially result in <br /> on- or off-site landslide, lateral spreading, <br /> subsidence, liquefaction or collapse: <br />d. Be located on expansive soil, creating X 4 <br /> substantial risks of life or prooertv? <br />e. Have soils capable of adequately supporting X 2,6 <br /> the use of septic tanks or alternative <br /> wastewater disposal systems where sewers are <br /> not available for the disposal of wastewater? <br />f. Any increase in wind or water erosion of soils, X 2,6 <br /> either on- or off-site? <br />g. Changes in deposition or erosion of beach, X 2,6 <br /> sands, or changes in siltation, deposition or <br /> erosion which may modify the channel of a <br /> river or stream or the bed of the ocean or any <br /> bay, inlet or lake? <br />EXPLANATION: While the project sites are not located within a known Earthquake Fault Zone, or Alquist-Priolo Earthquake <br />Hazard Zone, active faults that may influence the earthquake susceptibility of the site include: the active Hayward fault mapped <br />about 1 mile east of the site; the active Calaveras fault located about 11 miles to the northeast; and the active San Andreas fault <br />located about 17 miles southwest of the site. The Hayward, Calaveras and San Andreas faults are major active faults capable of <br />generating earthquakes estimated to have a maximum credible magnitudes of7.1, 6.8 and 7.9, respectively. Therefore, it is likely <br />that during the lifetime of any future structures constructed on the project site, they will be subject to seismic shaking and other <br />earthquake-induced effects. The Uniform Building Code re.:;uires new building construction to meet requirements for construction <br />in earthquake-prone areas, which is intended to minimize ar.y potential impacts related to seismic events. According to the General <br />Plan Environmental Hazards Chapter, Figure 6-1, the sites are within areas with violent groundshaking potential and low to <br />moderate liquefaction risk. The project site is currently served by sewers for disposal of wastewater. Future development will be <br />required to connect to the City of San Leandro's sewer system, therefore impacts related to soils types and septic tanks are not <br />applicable. Future construction that could be facilitated as a result of this project will be required to prepare individual soil erosion <br />plans to ensure that impacts from soil erosion, including water quality impacts, will be less-than-significant. <br />4. HYDROLOGY ANDWATERQUALITY. Would.the pmiect: .. <br />.. <br />a. Violate any water quality standards or waste X 2 <br /> discharlZe reauirements? <br />b. Substantially deplete groundwater supplies or X 2 <br /> interfere substantially with groundwater <br /> recharge such that there would be. a net deficit <br /> in aquifer volume or a lowering of the local <br /> groundwater table level (e.g., the production <br /> rate of pre-existing nearby wells would drop to <br /> a level which would not support existing land <br /> uses or planned uses for which permits have <br /> been granted? <br /> <br />Cherry Street Rezone - Initial Study Checklist <br />PLN2006-00075 <br /> <br />4 <br /> <br />February 2, 2007 <br />