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Legend: Applicant = project applicant, City = City of Redwood City Page 57 May 18, 2004 WP9.016451MMCHT.645 Mu.-4iTORING VERIFICATION IDENTIFIED IMPACT RELATED MITIGATION MEASURE Impl. Type of Impl. Monitoring and Timing Signature Date (CONDITION OF APPROVAL) Entity Action Verification Entity Requirements borings, cone penetration tests, and /or equivalent methods; and Determination of parcel- specific soil response characteristics and maximum credible ground acceleration for an earthquake recurrence interval specified by the City of Redwood City. Recommendations from the investigations, including appropriate soil stabilization and foundation construction techniques, minimum setbacks around potentially unstable areas, and criteria for the compaction and treatment of on -site fills, shall be incorporated into the project grading and foundation plans. In general, these recommendations are expected to include, but not be limited to, the following provisions: • Require all construction to comply with the Uniform Building Code (UBC, 1997) for Seismic Zone Factor 4 and Soil Profile Type S E . Base all project designs on estimates of peak and maximum repeatable earthquake - induced ground surface accelerations expected to occur on the project site, as calculated by the project geotechnical investigations. • Slope or shore excavations in order to minimize ground movements. Typically, when excavation extends into Bay mud, 4:1 or flatter slopes are required to reduce movements. Implementation of these measures- - combined with conformance with standard Uniform Building Code, City of Redwood City, and other applicable regulations - -would reduce the potential effects of ground shaking to a less - than - significant level. Legend: Applicant = project applicant, City = City of Redwood City Page 57 May 18, 2004 WP9.016451MMCHT.645