Precipitation drains from a park area into a street gutter to a storm sewer inlet. The flow path from the sewer inlet to the most hydraulically distant point in its watershed consists of 175 ft of overload flow through Bermuda grass on a 2.2 percent slope and gutter flow in a 260 ft length of paved gutter on a longitudinal slope of 1.5 percent. Use Eqs 8.8-8.10 and Table 8.1 to estimate the time of concentration.
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