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In: Civil Engineering

A. Compare and contrast the following: design period, return period, design life. B .What return period...

A. Compare and contrast the following: design period, return period, design life.

B .What return period is required in the design of a drain in order to carry 10% risk of flooding in the next 3 years? How does the risk in this design vary as the return period is increased (answer both qualitatively (i.e., conceptually) and quantitatively (i.e., mathematically)? How does the risk vary as the recurrence interval is increased (answer both qualitatively and quantitatively)?

C. Define the time of concentration as used by water resource engineers/city managers. Explain/describe how it can be used in the design of a bridge.

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