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#### Rational Method Hydrologic Calculations with Excel.pdf

**Rational Method** Hydrologic **Calculations** with Excel Harlan H. Bengtson, PhD, P.E. COURSE CONTENT 1. Introduction **Calculation** of peak storm water **runoff** rate from ...

#### The Modified Rational Method - NJCDEA.pdf

**Rational Method** Equation: Based upon the **Rational Method** Equation: Q = C x I x A x APF Where: Q = The Quantity Flow Rate in CFS C = Dimensionless **Runoff Coefficient** ...

#### CHAPTER 5 Computing Stormwater Runoff Rates and.pdf

C = **Rational Method runoff coefficient** I = rainfall intensity (inches per hour) A = drainage area (acres) D = storm duration (hours) ... Down

#### CHAPTER 5 Computing Stormwater Runoff Rates and …

C =

www.njstormwater.org/bmp_manual/NJ_SWBMP_5 print.pdf**Rational Method runoff coefficient**I = rainfall intensity (inches per hour) A = drainage area (acres) D = storm duration (hours)#### Using the Rational Method to Determine Peak Flow

Chapter 4—Drainage Section 4A-5—Using the

www.iowadot.gov/design/dmanual/04a-05.pdf**Rational Method**to Determine Peak Flow Page 3 of 10 Table 1:**Runoff**coefficients for the**Rational Method**.#### Estimating Storm Water Runoff - PDHonline.org

Chapter 3 - Estimating Stormwater

www.pdhonline.org/courses/h119/stormwater runoff.pdf**Runoff**3.5**RATIONAL METHOD**The**R ational**For mula is the most commonl y used**method**of deter mining peak discharges#### 3.1.3 Rational Method - Knox County, Tennessee

A popular approach for determining the peak

www.knoxcounty.org/stormwater/pdfs/vol2/3-1-3 Rational Method.pdf**runoff**rate is the**Rational**Formula. The**Rational Method**...**Calculation**of t c ...**Rational Method Runoff**...