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measures have been taken in this regard. 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: (Maste(,Plan Po#icy 11.3.1 {e}and Specific Plan 111 Implementation Measure 11.2.3.b and e.] In the case that noise levels cannot be reduced to the design noise lev'el'of 60•dB; fho applicant must'provide notice via�a,note on the deed of each lot stating that exterior noise levels may exceed 60 dB_ Timing: Inclusion of note on the Pinal'Map approved:.by CDD prior to'Final Map approval, and inclusion of note on deed prior to issuance of building permits 22. Interior Noise Levels: Interior noise'levels for housing proposed to`be located in areas expose_d to an.exterior noise level of an Ldn above 60 dB shall be maintained,at or.,below an On of 45 dB. [Implementation Measure 11.2.1 (4)] ' Timing: Compliance verified prior to the issuance of building permits. 23. Construction.Noiso: The following measure.shall be implemented during construction: • Construction.shall be limited to the hours of 6:00 AM to 9:00 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. [Mitigation Measure 4.13-1 from Specific Plan Ili EIR] Timing: Inclusion of the above measures as notes on Improvement Plans approved by CDD and MHCSD prior to Final Map approval. GEOLOGY AND SOILS 24. 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. 25, Geotechnical Investigation Recommendations: The applicant shall follow the recommendations of the Geotechnical Services Report Altamont Heights, Tract 3646 Subdivision, Mountain House Califomia("Geotechnical Report'), prepared by Kleinfelder, dated August 7, 2006. Timing: Inclusion of a note on Improvement Plans approved by CDD and MHCSD prior to approval of Final Maps, and the incorporation of all recommendations of the Geotechnical Report into site preparation and construction of each dwelling prior to approval of building permits. [San Joaquin County Development Title, Chapter 9-905] HAZARDS 6