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MITIGATION MONITORING AND REPORTING PROGRAM FOR THE KAISER SAN LEANDRO MEDICAL CENTER /MIXED-USE RETAIL DEVELOPMENT PROJECT Environmental Impact Mitigation Measures Monitoring Responsibility Implementation and Monitoring Timeline as a deed restriction for the property. The deed restriction limits uses of the property [restricted use] RWQCB to those activities that are consistent with the implemented level of remediation, as Target Cleanup Level follows: standards) shall be recorded as a deed restriction for the • Groundwater cannot be extracted without RWQCB approval. property • Industrial and commercial land uses, including construction and maintenance of utility corridors and roadway rights-of-way, are allowed under an appropriate management plan. • Landscaping is allowed; provided clean soil to appropriate depths is placed in areas where direct soil contact can occur. • Post-certification excavation or soil removal is not permitted without prior RWQCB approval. Noise NO-1. The construction of the proposed NO-1.1 Implement Construction Best Manaoement Practices To Reduce San Leandro Building and Safety project would not result in a significant Construction Noise. The construction contractor(s) shall implement the following Services Division increase in temporary construction noise measures during the construction of the Mixed-Use Retail Development and Build- levels for off-site sensitive receptors. Out of the Kaiser Medical Center: However, sensitive receptors would be located within the project site that could • Equipment and trucks used for project construction shall utilize the best available be exposed to temporary increases in noise control techniques (e.g., improved mufflers, equipment redesign, use of noise levels associated with construction intake silencers, ducts, engine enclosures, and acoustically attenuating shields or of the Mixed-Use Retail Development and shrouds, wherever feasible). Build-Out of the Kaiser Medical Center. This would result in a potentially Im act tools e. p ( 9•. jack hammers, pavement breakers, and rock drills) used for significant impact. project construction shall be hydraulically or electrically powered wherever possible to avoid noise associated with compressed air exhaust from pneumatically powered tools. However, where use of pneumatic tools is unavoidable, an exhaust muffler on the compressed air exhaust shall be used; this muffler can lower noise levels from the exhaust by up to about 10 dBA. External jackets on the tools themselves shall be used where feasible, and this could achieve a reduction of 5 dBA. Quieter procedures shall be used, such as drills rather than impact equipment, whenever feasible. • Construction contractors, to the maximum extent feasible, shall be required to use "quiet" gasoline-powered compressors or other electric-powered compressors, and use electric rather than gasoline or diesel powered forklifts for small lifting. • Stationary noise sources, such as temporary generators, shall be located as far from adjacent receptors as possible, and they shall be muffled and enclosed within temporary sheds, incorporate insulation barriers, or other measures to the extent feasible. Review of all demolition, grading and building permits to ensure that project applicant has included all specifications for best management practices for noise reduction in their contracts with demolition, grading and building contractors On-site inspection April 22, 2010 Kaiser Permanente San Leandro Medical Center and Mixed-Use Retail Development Project 10/22