Engineering, 21.12.2020 18:00, ArielM20

A fairly large smooth asphalt parking lot adjacent to a shopping mall in the northern California city of Red Bluff has been constructed with an average slope of 0.5% and a maximum distance from the parking lot boundary to the runoff collection outlet of 90 meters. The 2-year, 24-hour rainfall estimate is slightly under 2-inches. Determine the time of concentration (t_c) using the following methods: a) Kerby Method
b) NRCS Watershed Lag Method
c) Overton-Meadows Method

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A fairly large smooth asphalt parking lot adjacent to a shopping mall in the northern California cit...