If one wants to be 90% sure that the design flood in a dam project will not occur during the design life period of 100 years, the recurrence interval for such a flood would be

- 1
  
  about 90 years
- 2
  
  equal to 100 years
- 3
  
  about 110 years
- 4
  
  roughly 1000 years

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.