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7.5: First-Flush

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    11963

    • 36. Describe the purpose of the first-flush.

    37. Use the exponential decay method to determine the optimal first-flush volume for a roof with a footprint of 1100 \(ft^2\) in Columbia, Missouri and a λ of 0.8.

    38. Use the area-based rule of thumb to determine the optimal first-flush volume for a roof with a footprint of 1100 \(ft^2\) in Columbia, Missouri.

    39. Describe an existing method, or create and describe your own method, to capture and evacuate the first-flush water. Draw and label your design.