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IJEST P11NE DIVERSION - P1IDDLE LI1gB <br />•sume 470 ft of corrugated culvert <br />1. D = (f(8 L X2)0.2 _ (f (8)(470)(36.9}2) 0.2 <br />'Jr2g hf ,~2 (32.2)(109) <br />D = (f * 147.795)0.2 <br />2. e/D = 0.1/D <br />3. Re = V~ _ ( Q ,2) * D (36.9) 2) * D <br />]f D/2 = D/2} <br />v 0.930 x 105 <br />Re = 5,051,885.935 <br />D <br />4. Assume maximum f therefore maximum D <br />Assume f = 0.08= D = 1.639 ft = 20 inches <br />• e/D = 0.061 <br />Re = 3,082,297 <br />real f = 0.08 <br />A 30 inch culvert was installed as approved by the regulatory agencies so it <br />is flowing partially full so no outlet control or barrel full control. <br />5. Possible inlet control <br />D = 8.5' E = 6227' <br />= 30" E = 6224' <br />Using inlet control normographs* <br />Headwater = 0.5 (D) _ (0.5) (2.5 ft) = 1.25 ft from top of culvert <br />3.0 ft of head available. <br />Further at cross section A <br />• Q = 36.9 ft7/S = AV and <br />V = 36.9 <br />A <br />V = 1N5 (~2/3 (0.73)2 <br />0.05( P) 2/3 <br />V = 25.57 A <br />P <br />There is <br />45° <br />