Field Guide: Rational Method Hydrology

This document has been prepared to:
  • provide engineers with an overview of the Rational Method and the author’s suggested application of the hydrologic tool
  • highlight the various way states and territories dictate how the Rational Method should be applied to different types of catchments
  • provide an explanation of the differences between the time of concentration and the critical storm duration, and why these two terms typically generate different values.
Categories: Stormwater

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