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NOISE 11. Outdoor Noise Levels: Best available noise reduction measures shall be implemented by the applicant to reduce noise levels in primary outdoor use areas (backyards) of new residential development to an Ldn of 60 dB.Where it is not possible to reduce noise levels to this level using practical application of the best available noise reduction measures, an exterior noise level of up to 65 db may be allowed. In the case that noise levels cannot be reduced to the design noise level of 60 dB, the applicant must provide notice via a note on the deed of each condominium unit along Central Parkway and De Anza Boulevard stating that noise levels may exceed 60 dB. [MP Policy 11.3.1 (e)] Timing: Final map note approved by CDD prior to final map approval and deed notes prior to issuance of building permits. 12. Interior Noise Levels: Interior noise levels for housing proposed to be located in areas exposed to an exterior noise level of an Ldn above 60 dB shall be maintained at or below an Ldn of 45 dB. [Master Plan Implementation 11.3.1 (f)] Timing: Compliance verified prior to the issuance of building permits. 13. Mechanical Ventilation: Mechanical ventilation (HVAC)in homes shall be supplied where outdoor noise levels exceed 60 dB. Timing: Compliance verified by CDD prior to issuance of building permits. 14. Construction Noise: The following measure shall be implemented during construction: • Construction shall be limited to the hours of 6:00 AM to 8:00 PM on weekdays. Extended hours which may include Saturdays and Sundays may be allowed through prior notice to adjacent residents and landowners, and prior approval of the MHCSD for infrastructure construction and CDD for building permits. • Comply with all San Joaquin County Development Title for all construction activities. • Equip all construction vehicles or equipment,fixed or mobile, with properly operating and maintained mufflers and acoustical shields or shrouds, in accordance with the manufacturers' recommendations. • Arrange all construction equipment and truck routes to minimize travel adjacent to occupied residences. • Locate stationary construction equipment and staging areas as far as possible from sensitive receptors. Temporary acoustic barriers may be installed around stationary equipment, if necessary. Timing: Improvement plan notes approved by CDD and MHCSD prior to final map approval and building permit notes prior to issuance of building permits. GEOLOGY AND SOILS 15. Seismic Safety: The applicant shall comply with the applicable provisions of the MHCSD Emergency Preparedness Plan. Timing: Inclusion of a note on Improvement Plans approved by CDD and MHCSD prior to approval of Final Maps. 3