CTC 462 LAB 7 (Peak Flows)

Using the rational method and/or the SCS TR-55 method determine peak flows for each proposed culvert (see lab 1) for the following frequencies:

• 2 year
• 10 year
• 25 year
• 50 year

 Except for pavement areas and buildings that can be determined from the plans, assume any remaining land use is woods/tall grass with a runoff coefficient of 0.2.

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