Practice Question: Probability of Flooding a Culvert Once in 5 Years

NCEES Civil PE Specification Hydraulics and Hydrology: Storm Characteristics


Problem

Your town's Public Works Department has plans to upsize an old rainfall runoff basin culvert in 5 years. 

In order to help the department decide if the project can wait 5 years or needs to be advanced, determine the probability of flooding once in the next 5 years.

Assume the culvert was originally designed for a storm with a return period of 25 years. 

Select an Answer: