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MIDDLE FORK - PURGATOIRE RIVER <br /> CHANNEL DIVERSION <br /> As- Built Parameters <br /> Embankment Slopes (AVG) <br /> North - 2.03 H: IV <br /> South - 2.84 H: IV <br /> Bottom Width (AVG) = 21 FT <br /> Channel Bottom Slope (AVG) = 0.0178 FT/FT <br /> Rip-Rap <br /> 0+00 TO/1+90 - 13.6' on S. Slope <br /> 7.9' on N. Slope <br /> 1+90 TO/4+90 - 7.4' on S. Slope <br /> 7.41 on N. Slope <br /> 4+90 TO/7+00 - 14.3' on S. Slope <br /> 7.4' on N. Slope <br /> Diversion Control Point Monument <br /> DPI N 7094.8 <br /> E - 112,721.58 <br /> EL. 7416.63 <br /> As- Built Hydraulic Analysis <br /> Check to see if original design flow depth will work. <br /> d = 9.58 FT. <br /> A = y?(9.58)2(2.03) + %(9.58)2 (2.84) + (9.58)(21.0) <br /> A = 424.66 FT2 <br /> WP = 21.68' + 21.01 + 28.85' = 71.53 FT <br /> R = A/WP = 5.94 FT <br /> V = 1.486/n R2/3SY2 = 1.486/0.04 (5.94)2/3(0.0178)y2 <br /> V = 16.26 FPS <br /> Q = VA = (16.26)(424.66) = 6905 CFS <br />