Lesson 23: Rational Method

Learning Objectives

• Define terms in the Rational Method
• State how Rational Method is used in engineering practice
• Compute design flows using the Rational Method
• Determine design flows for a storm sewer

Handouts (bring to class)

• None

Reading Assignment

• 6.4.2.1 The Rational Method
• Urban Design Standards Manual (Iowa) [for reference]

Homework Problems

• Problem 28
• Problem 29