Question: A roadway with a rough - asphalt pavement has a cross slope of 2 % , a longitudinal slope of 2 . 5 % ,

A roadway with a rough-asphalt pavement has a cross slope of 2%, a longitudinal slope of 2.5%, a curb height of 8 cm, and a 90-cm-wide concrete gutter. If the flow rate in the gutter is 0.07 m3/s, determine the size (W x L, in mm) and interception capacity (m3/s) of a reticuline grate that should be used to intercept as much of the flow as possible.
a. Reticuline grate size?
b. Interception capacity?

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