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(2) For traffic noise studies,the computer models, SOUND32 or other proprietary models based on the <br /> 1978 "Federal Highway Administration(FHWA)Highway Traffic Noise Prediction Model (FHWA- <br /> RD-77-108)"shall be used. <br /> Table 4.13-4 <br /> San Joaquin County Maximum Allowable Noise Exposure <br /> PART I:TRANSPORTATION NOISE SOURCES <br /> Noise-Sensitive Land Use Outdoor Activity Areas' Interior Spaces <br /> (Use Types) dBA Lm, dBA Lm, <br /> Residential 65 <br /> 45 <br /> Administrative Office - 45 <br /> Child Care Services,Child Care Centers - 45 <br /> Community Assembly 65 45 <br /> Cultural and Library Services - 45 <br /> Educational Services-General - 45 <br /> Funeral and Interment Services-Undertaking 65 45 <br /> Lodging Services 65 45 <br /> Medical Services fi5 45 <br /> Professional Services - 45 <br /> .�. Public Services(excluding Hospitals) _ 45 <br /> Hospitals 65 45 <br /> Recreation-Indoor Spectator - 45 <br /> PART II:STATIONARY NOISE SOURCES <br /> Outdoor Activity Areas <br /> Daytimes Nighttimeb <br /> (7 a.m.to 10 p.m.) (10 p.m.to 7 a.m.) <br /> Hourly Equivalent Sound Level(IQ,dBA 50 45 <br /> Maximum Sound Level(I m„),dBA 70 65 <br /> ° Where the location of outdoor activity areas is unknovm or not applicable,the noise standard shall be applied at the property line of the <br /> receiving land use.When determining the effectiveness of noise mitigation measures,the standards shall be applied on the receiving <br /> side of noise barriers or to the property-line noise mitigation measures. <br /> ° Each of the noise-level standards specified shall be reduced by 5 dBA for impulsive noise,single-tone noise,or noise consisting <br /> primarily of speech or music. <br /> Source:San Joaquin County 2003 <br /> ► Section 1024.2 (Street Trees and Noise Attenuation).The planting of trees along streets is required for all <br /> new residential developments as follows: <br /> (g) Street Frontages. Street trees shall be required along street frontages where noise attenuation walls are <br /> required.They shall be placed in the yard or integrated with a serpentine wall. <br /> ► Section 1022.5 (Noise Attenuation Including Noise Walls.Walls, fences,berms, and/or landscaping for the <br /> purpose of noise attenuation may be required in any zone when adjacent to a high noise generator, such as a <br /> major roadway or railroad.Noise attenuation requirements shall be developed in response to the noise level <br /> College Park at Mountain House Specific Plan III Draft EIR EDAW <br /> San Joaquin County 4.13-9 Noise <br />