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SMALL AREA EXEMPTION 1 - 9 <br />• UNIT TRAIN LOADOUT -BOWIE NO. 2 <br /> SOIL TYPE PROGRESSO LOAM - C <br /> DISTURBED NEARLY BARE <br /> DATA SUMMARIIED FROM SEDCAD OUTPUT <br />STORM INFORMATION <br />S[orm Type: NRCS Type II <br />Design Stonn: 10 yr - 24 hr <br />Rainfall OepU: 1.8 inches <br />Particle Size Distribution <br />P57t1 SAE-3 SAE-2 SAE-3 SAEi SAE-S 511E-6 SAE-7 SAE-8 SAE-9 <br /> SAE 1-9 <br />Size (mm) In Out Out Out Out Out Out Out Out <br />4.7600 88.00% 100.00% Same for SAE 1-9 <br />2.0000 88.00% 100.00% Same for SAE I-9 <br />0.4200 78.00% 100.00% Same for SAE 1-9 <br />0.0740 28.00% 100.00% Same for SAE 1-9 <br />0.0040 20.00% 90.48% 89.094 91.37% 93.53% 95.73% 92.30% 92.63% 97.97% 91.22% <br />0.0010 1.00% 4.52% 4.96% 4.57% 9,66% 4.79% 4.62% 4.63% 4.90% 4.56% <br />STRUCTURE SUMMARY <br />[mmedute Total Peak Total Peak Peak <br />Contributing Conbibudng Disdvin)e Runoff SMilrrNt[ Settleable <br />Area Arm Volume Sediment Conc. Canc. 24 VW <br />(ac) (ac) (ds) (aae-ft) (torts) (mg/p (ml/p (mUp <br />~~ <br />SAE-1 IN <br />OUT 0.07 0.07 0.06 <br />0.06 0.00 <br />0.00 0.10 <br />0.00 37,177 <br />9 054 22.90 <br />0.43 18.28 <br />0.32 <br /> <br />SAE-2 IN <br />OUi 0.14 0.19 0.12 <br />0.11 0.01 <br />0.01 0.20 <br />0.00 34,968 <br />8 208 21.23 <br />0.45 15.99 <br />0.32 <br /> <br />SAE-3 IN <br />01R 0.17 0.17 0.14 <br />0.19 0.01 <br />0.01 0.30 <br />O.10 42,513 <br />9498 26.19 <br />0.41 18.82 <br />0.29 <br /> <br />SAE4 IN <br />DUT 0.32 0.32 0.26 <br />0.26 0.02 <br />0.02 0.90 <br />0.20 66,320 <br />19 611 40.85 <br />0.47 26.00 <br />0.30 <br /> <br />SAE-S IN <br />OUT 0.35 0.35 0.29 <br />0.28 0.02 <br />0.02 1.50 <br />0.30 101,916 <br />21829 62.78 <br />0.47 37.93 <br />0.28 <br /> <br />SAE-6 1N <br />OUT 1.30 1.30 1.07 <br />1.04 0.08 <br />0.08 3.30 <br />0.70 56,920 <br />12466 35.06 <br />0.48 18.22 <br />0.25 <br /> <br />SAE-7 IN <br />OUT 0 ~ 0 ~ 0.74 <br />0.73 0.06 <br />0.06 2.10 <br />0.90 51,690 <br />11827 31.64 <br />0.44 16.55 <br />0.24 <br /> <br />SAE-8 IN <br />OUi 0.38 0.38 031 <br />0.30 0.02 <br />0.02 3.10 <br />0.60 180,491 <br />38 922 111.15 <br />0.40 67.49 <br />0.25 <br /> <br />SAE-9 IN <br />OUT 219 2.19 1.80 <br />1.76 0.14 <br />0.14 3.30 <br />0.70 34,209 <br />7 509 21.07 <br />0.33 10.90 <br />0.17 <br />PR-07 <br />Exh-8 - 187 - <br />2/03 <br />