1. A 24-inch RCP outfall discharges directly onto the ground. The pipe has a slope of 1.75 percent and n-value of 0.015 and carries a design discharge of 20 cfs. Design a riprap apron for the outfall.
2. A 48-inch RCP outfall discharges directly onto the ground. The pipe has a slope of 2.0 percent and an n-value of 0.012 and carries a design discharge of 75 cfs. Design a riprap apron for the outfall.
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