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Two Rivers Gravel Pit Mine <br /> Riverside Berm Failure Analysis <br /> and Flood Control Mitigation Plan <br /> 7ech"olooicess January 22,2020 <br /> Central Pit <br /> 1112212019 Groin Training Channels Calculations (for future reference if*needed) <br /> F— The open channel flow calculator <br /> !F--T T--I (- T <br /> Select Channel Type: Trapezoid IY zt ZZ 21 z2 �Y e ID <br /> Rectangle Trapezoid Triangle Cirde <br /> Velocity(V)&Discharge(Q) V Select unit system: Feet(ft) <br /> Channel slope: 0.01 !ft Water depth(y): 3 F Bottom width(b) 25 ft <br /> Flow velocity 10.9739 /s LeftSlope(ZI): 1 o 1 (HT) RightSlope(Z2): 1 <br /> Flow discharge 921.8105 ^31s Input n value 0.025 or select n <br /> Calculate! Status: alculation finished Reset <br /> Wetted perimeter 33.49 k Flow area 84 ^2 Top width(T)31 Ft <br /> Specific energy4.87 Ft Froude number 1.17 1 Flow status Supercritical flow <br /> Critical depth 3.33 Ft Critical slope 0.0071 Fft lVelocity head 1.87 tF <br /> Copyright 2000 Dr.Xing Fang,Department of Civil Engineering,Lamar University. <br /> pg. 41 <br />