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<br />KEY <br /> <br />Y (Yes) <br /> <br />Land Use and related structures compatible without restrictions. <br /> <br /> <br /> <br />N (No) <br /> <br />Land Use and related structures are not compatible and should <br />be prohibited. <br /> <br />NLR <br /> <br />Noise Level Reduction (outdoor to indoor) to be achieved <br />through incorporation of noise attenuation into the design and <br />construction of the structure. <br /> <br />25,30,35 <br /> <br />Land Use and related structures generally compatible; measures to <br />achieve NLR of 25, 30, or 35 dB must be incorporated into design <br />and construction of structure. <br /> <br />NOTES <br /> <br />Where the community determines that residential or school uses must be <br />allowed, measures to achieve outdoor to indoor Noise Level Reduction (NLR)of <br />at least 25 dB and 30 dB should be incorporated into building codes and be <br />considered in individual approvals. Normal residential construction can be <br />expected to provide a NLR of 20 dB, thus, the reduction requirements are often <br />stated as 5, 10, or 15 dB over standard construction and normally assume <br />mechanical ventilation and closed windows year round. However, the use of <br />NLR criteria will not eliminate outdoor noise problems. <br /> <br />2 Measures to achieve NLR of 25 dB must be incorporated into the design and <br />construction of portions of these buildings where the public is received, office <br />areas, noise sensitive areas, or where the normal noise level is low. <br /> <br />3 Measures to achieve NLR of 30 dB must be incorporated into the design and <br />construction of portions of these buildings where the public is received, office <br />areas, noise sensitive areas, or where the normal noise level is low. <br /> <br />4 Measures to achieve NLR of 35 dB must be incorporated into the design and <br />construction of portions of these buildings where the public is received, office <br />areas, noise sensitive areas, or where the normal noise level is low. <br /> <br />5 Land use compatible provided special sound reinforcement systems are <br />installed. <br /> <br />6 Residential buildings require a NLR of 25. <br /> <br />7 Residential buildings require a NLR of 30. <br /> <br />8 Residential buildings not permitted. <br /> <br />Source: F.A.R. Part 150, Appendix A Table 7. <br /> <br />MUOOPALAlRPOO <br />Exhibit C (Continued) <br />LAND USE COMPATIBILITY GUIDELINES <br />