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Amelia Ditch Study <br />August 10, 2023 <br />Page 18 <br /> <br /> <br />Table 3: Long-Term Improvements 100-yr HWL Comparison <br />Model Node Existing HWL Proposed HWL Change <br />DA-1 928.79 928.79 0 <br />DA-2 915.18 915.18 0 <br />DA-3 913.81 913.81 0 <br />DA-4 911.53 913.05 +1.53 <br />DA-5 910.19 909.01 -1.18 <br />DA-6 916.43 916.45 +0.02 <br />DA-7 915.06 915.37 +0.31 <br />DA-8 915.02 915.36 +0.34 <br />Junction 1 910.19 909.06 -1.14 <br />DA-9 910.19 909.06 -1.13 <br />Junction 2 910.16 909.56 -0.60 <br />DA-10 910.16 909.76 -0.40 <br />Junction 3 911.30 909.47 -1.84 <br />Junction 4 911.30 909.45 -1.85 <br />DA-11 911.30 909.45 -1.86 <br />Junction 5 910.90 908.58 -2.32 <br />DA-12 910.89 908.13 -2.75 <br /> <br />Table 4: Long-Term Improvements Max Flow Comparison <br />Model Connection Existing Max <br />Flow (cfs) <br />Proposed Max <br />Flow (cfs) Change <br />Pipe 1 29.76 30.07 +0.31 <br />Channel 1 48.80 48.81 +0.01 <br />Channel 2 33.64 169.28 +135.64 <br />Channel 0 14.61 21.00 +6.39 <br />Pipe 2 12.53 12.10 -0.43 <br />Channel 3 80.50 51.68 -28.82 <br />Channel 5 89.93 41.92 -48.01 <br />Channel 6 22.29 20.44 -1.85 <br />Pipe 3 16.13 22.47 +6.34 <br />Channel 8 15.29 56.13 +40.84 <br />Pipe 4 16.39 75.85 +59.46 <br />Channel 10 16.44 76.94 +60.50 <br />Channel 11 16.72 78.89 +62.17 <br />Pipe 5 40.33 118.23 +77.90 <br />Channel 13 39.19 119.36 +80.17 <br />Pipe 6 44.19 141.03 +96.84