An emergency spillway for a detention basin is constructed as a rectangular channel with bottom width of 16.0 feet and lined with concrete (n XXXXXXXXXXThe elevation of the crest of the emergency...

An emergency spillway for a detention basin is constructed as a rectangular channel with bottom width of 16.0 feet and lined with concrete (n 5 0.015). The elevation of the crest of the emergency spillway is 1125.00 feet. The slope of the channel is 0.0020 ft/ft. Compute a chart showing the relationship between reservoir elevation and discharge into the channel.