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Appendix 8 CN Calculations
Appendix 8 CN Calculations Proposed Hydrology Model HEC-1 Jub-Area NF-1 Sub-Area SF-1 Sub-Area LM-1 % CN % CN % CN Med Dens Res 60 87 Med Dens Res 85 87 Med Dens Res 0 87 Low Dens Res 0 84 Low Dens Res 0 84 Low Dens Res 10 84 Commercial 40 94 Commercial 15 94 Commercial 0 94 Undeveloped 0 80 Undeveloped 0 80 Undeveloped 0 80 Woods 0 75 Woods 0 75 Woods 0 75 Pasture/grass 0 83 Pasture/grass 0 83 Pasture/grass 90 83 Landfill 0 85 Landfill 0 85 Landfill 0 85 CN (weighted) 89.8 CN (weighted) 88.1 CN (weighted) 83.1 Sub-Area NF-2 Sub-Area SF-2 Sub-Area LM-2 % CN % CN % CN Med Dens Res 90 87 Med Dens Res 75 87 Med Dens Res 0 87 Low Dens Res 0 84 Low Dens Res 10 84 Low Dens Res 0 84 Commercial 10 94 Commercial 15 94 Commercial 0 94 Undeveloped 0 80 Undeveloped 0 80 Undeveloped 0 80 Woods 0 75 Woods 0 75 Woods 0 75 Pasture/grass 0 83 Pasture/grass 0 83 Pasture/grass 60 83 Landfill 0 85 Landfill 0 85 Landfill 40 85 CN (weighted) 87.7 CN (weighted) 87.8 CN (weighted) 83.8 ;ub-Area NF-3 Sub-Area SF-3 Sub-Area LM-3 % CN % CN % CN Med Dens Res 0 87 Med Dens Res 95 87 Med Dens Res 100 87 Low Dens Res 0 84 Low Dens Res 0 84 Low Dens Res 0 84 Commercial 100 94 Commercial 5 94 Commercial 0 94 Undeveloped 0 80 Undeveloped 0 80 Undeveloped 0 80 Woods 0 75 Woods 0 75 Woods 0 75 Pasture/grass 0 83 Pasture/grass 0 83 Pasture/grass 0 83 Landfill 0 85 Landfill 0 85 Landfill 0 85 CN (weighted) 94.0 CN (weighted) 87.4 CN (weighted) 87.0 Sub-Area NF-4 Sub-Area SF-4 Sub-Area LM-4 % CN % CN % CN Med Dens Res 0 87 Med Dens Res 0 87 Med Dens Res 0 87 Low Dens Res 0 84 Low Dens Res 0 84 Low Dens Res 0 84 Commercial 85 94 Commercial 85 94 Commercial 0 94 Undeveloped 15 80 Undeveloped 15 80 Undeveloped 0 80 Woods 0 75 Woods 0 75 Woods 100 75 Pasture/grass 0 83 Pasture/grass 0 83 Pasture/grass 0 83 Landfill 0 85 Landfill 0 85 Landfill 0 85 CN (weighted) 91 .9 CN (weighted) 91.9 CN (weighted) 75.0 Sub-Area LM-5 Sub-Area AL-1 Sub-Area AC 1-1 % CN % CN % CN Med Dens Res 0 87 Med Dens Res 0 87 Med Dens Res 50 87 Low Dens Res 0 84 Low Dens Res 100 84 Low Dens Res 0 84 Commercial 0 94 Commercial 0 94 Commercial 50 94 Undeveloped 0 80 Undeveloped 0 80 Undeveloped 0 80 Woods 100 75 Woods 0 75 Woods 0 75 Pasture/grass 0 83 Pasture/grass 0 83 Pasture/grass 0 83 Landfill 0 85 Landfill 0 85 Landfill 0 85 CN (weighted) 75.0 CN (weighted) 84.0 CN (weighted) 90.5 Sub-Area ·AL-2 % CN Med Dens Res 0 87 Low Dens Res 0 84 Commercial 0 94 Undeveloped 0 80 Woods 100 75 Pasture/grass 0 83 Landfill 0 85 CN (weighted) 75.0 Sub-Area AL-3 % CN Med Dens Res 0 87 Low Dens Res 0 84 Commercial 0 94 Undeveloped 0 80 Woods 100 75 Pasture/grass 0 83 Landfill 0 85 CN (weighted) 75.0