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Table 6 Noise Barrier Cost Effectiveness Approx. Approx. Receptor Land Use Build 2033 with No. of Res. with Segment Wall Average Cost Effectiveness (Number of Residences Wall Represented) Activity Modeled Existin No Build 2033 No Barriers Barriers Reduction 5 dBA reduction Length Height dBA reduction Cost/dBA/Res Pro osed 1 R1 (17) Res 66.6 67.2 67.9 66.5 1.4 0 1 R2 Res 65.8 66.2 66.4 65.3 1.1 0 1 R3 (10) Res 64.8 65.2 65.4 63.8 1.6 0 1 R4 Res 64.8 65.3 65.4 64.4 1.0 0 1 RS Res 65.1 65.5 65.6 63.8 1.8 0 1 R6 Res 65.1 65.5 65.5 62.8 2.7 0 1 R7 Res 65.6 66.0 65.9 61.4 4.5 0 1 RS Res 65.6 66.0 66.0 61.5 4.5 0 1 R9 Res 66.0 66.4 66.3 63.3 3.0 0 1 R10 Res 66.0 66.4 66.3 66.1 02 0 euim 10 1.5 NA No 1 R11 Res 66.4 66.8 66.6 66.3 0.3 0 1 R11A(4) Res 68 68.4 68.3 66.3 2.0 0 1 R11 B(3) Res 68.3 68.7 68.5 66.4 2.1 0 1 R12 Res 60.5 60.9 60.9 60 0.9 0 1 R13 Res 59.4 59.9 59.9 59.4 0.5 0 1 R14 Res 62.6 63.1 63.2 62.7 0.5 0 1 R15 Res 60.4 60.9 61.0 60.8 0.2 0 1 R16 Res 62.9 63.6 63.8 63.6 0.2 0 1 R16A Res 63.3 64.6 64.9 65 -0.1 0 2 R22 Res 68.3 68.7 68.6 67.4 1.2 0 620 10 0.8 NA No 2 R23 Res 63.4 63.8 63.8 63.3 0.5 0 3 R27 Res 67.1 67.6 67.9 66.4 1.5 0 3 R28 Res 65.3 65.9 65.7 65 0.7 0 3 R29 Res 62.9 63.4 63.3 62.9 0.4 0 3 R30 Res 66.5 66.9 67.0 65.8 1.2 0 3 R31 Res 66.3 66.7 66.8 66.4 0.4 0 3 R32 Res 65.5 65.9 65.8 65.6 0.2 0 1800 10 0.7 NA No 3 R32A (3) Res 71 71.4 71.2 69.5 1.7 0 3 R32B (2) Res 67 67.3 67.2 66.7 0.5 0 3 R33 Res 64.4 65.1 64.9 64.4 0.5 0 3 R34 Res 66.3 67.0 66.3 65.8 0.5 0 3 R35 Res 60.8 61.5 61.3 61.3 0.0 0 1 R1 (17) Res 66.6 67.2 67.9 62.6 5.3 17 1 R2 Res 65.8 66.2 66.4 60.8 5.6 1 1 R3 (10) Res 64.8 65.2 65.4 60.2 5.2 10 1 R4 Res 64.8 65.3 65.4 61.2 4.2 0 1 RS Res 65.1 65.5 65.6 59.8 5.8 1 1 R6 Res 65.1 65.5 65.5 58.7 6.8 1 1 R7 Res 65.6 66.0 65.9 57.3 8.6 1 1 RS Res 65.6 66.0 66.0 57.2 8.8 1 1 R9 Res 66.0 66.4 66.3 58.2 8.1 1 1 R10 Res 66.0 66.4 66.3 62.2 4.1 0 2380 20 4.9 $3,054 Yes 1 R11 Res 66.4 66.8 66.6 62.2 4.4 0 1 R11A(4) Res 68 68.4 68.3 61.3 7.0 4 1 R11 B(3) Res 68.3 68.7 68.5 63.5 5.0 4 1 R12 Res 60.5 60.9 60.9 57.3 3.6 0 1 R13 Res 59.4 59.9 59.9 57.1 2.8 0 1 R14 Res 62.6 63.1 63.2 59.7 3.5 0 1 R15 Res 60.4 60.9 61.0 59.5 1.5 0 1 R16 Res 62.9 63.6 63.8 61.8 2.0 0 1 R16A Res 63.3 64.6 64.9 64.7 0.2 0 2 R22 Res 68.3 68.7 68.6 63.9 4.7 0 620 20 3.5 NA No 2 R23 Res 63.4 63.8 63.8 61.6 2.2 0 3 R27 Res 67.1 67.6 67.9 65 2.9 0 3 R28 Res 65.3 65.9 65.7 63.9 1.8 0 3 R29 Res 62.9 63.4 63.3 61.6 1.7 0 3 R30 Res 66.5 66.9 67.0 63.5 3.5 0 3 R31 Res 66.3 66.7 66.8 63.9 2.9 0 3 R32 Res 65.5 65.9 65.8 62.4 3.4 0 1800 20 3.8 $8,809 No 3 R32A (3) Res 71 71.4 71.2 62.8 8.4 3 3 R32B (2) Res 67 67.3 67.2 62.2 5.0 2 3 R32C (3) Res 66.1 66.5 66.4 59.5 6.9 3 3 R33 Res 64.4 65.1 64.9 62.6 5.4 1 3 R34 Res 66.3 67.0 66.3 65.7 3.7 0 3 R35 Res 60.8 61.5 61.3 60.9 0.4 0 �Represen4 thase lacetians eeceeding their eppliceble naise stendazds. Bal&vels eppraech ar ezceed the FFIR'A Cntene af']OdB. * Represent cammerciel praperties rrsdin� within the MPCA NAC-2 Cefi�ary.