Question: Using the figures below, for a single pipe of Diameter of 7 5 0 m m and outlet velocity of 4 . 0 m s

Using the figures below, for a single pipe of Diameter of 750mm and outlet velocity of 4.0ms, determine the minimum rock size, length of apron and width of apron. Draw to scale.
Source: Catchments and Creeks (2011).
Figure 3.15: Single pipe outlet minimum rock size and length of apron
Figure 3.16: Rock apron detail for single pipe outlet
Using the figures below, for a single pipe of

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