Scour Hole: Wo 2.00 ft Do 2.00 ft Q100 6.36 cfs q 3.18 D 1.00 (Do or 0.5*Do) Tw 0.21 ft

Dimensions: W1 4 ft W2 10 ft L1 6 ft L2 12 ft

Riprap where Y = 1/2D0 d50 = 0.0125/Twq1.33 where Y=D_{0} d_{50}=\frac{0.0082}{Tw}q^{1.33} Y=0.5Do d50 0.28 ft Use 6" Y=Do d50 0.18 ft Use 6"