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measures have been taken in this regard. Where it is not possible to reduce noise levels to this,lbvel using practical application of the best'ava fable noise reduction measures, an exterior.noise level of up to 65 db may be allowed:°(Master Plan''Policy 11:3.1 (e)and Specific Plan III Implementation Measure 11.2 3.b.and e.] In the case that noise levels cannot, be reduced to the design noisi :level'of'60'd the appiicant cnusi,provide notice-vis b note_ on the deed of each lot stating that exterior noise levels may.exceed 60 dB Timing: Inclusion of note on the Final'Map..approved by C;DD prior to Final Map approval, and,, inclusion of note on deed prior to issuance of building perrnits 4. .22. Interior Noise Levels. -interior noise'levels for housing proposed to beiocatei to areas exposed to an exterior noise level of an Ldn above 60 dB shall be malntained,at or below an . Ldn,of 45 dB [implemenfation Mea'su're 11:21�(4)1 Timing: Compliance verified prior tothe issuance:of-building permits ; 23. .Construction Noise: The following measure.shail be implementedduring 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 III 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. t 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 California ("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 9-9051 HAZARDS 6 i