Runoff Rate of Rainwater from Bridge during Rainstorm Calculator

✖Runoff Coefficient is a dimensionless coefficient relating the amount of runoff to the amount of precipitation received.ⓘ Runoff Coefficient [C_r]			+10% -10%
✖Intensity of Rainfall is the ratio of the total amount of rain (rainfall depth) falling during a given period to the duration of the period.ⓘ Intensity of Rainfall [I]			+10% -10%
✖Catchment Area for Rainstorm is the total area of the catchment from where total runoff water is collected.ⓘ Catchment Area for Rainstorm [A_catchment]			+10% -10%

✖Peak Rate of Runoff is the maximum rate of discharge during the period of runoff caused by a storm.ⓘ Runoff Rate of Rainwater from Bridge during Rainstorm [q_p]

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Formula

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Runoff Rate of Rainwater from Bridge during Rainstorm

Formula

`"q"_{"p"} = 1.00083*"C"_{"r"}*"I"*"A"_{"catchment"}`

Example

`"1.255975m³/s"=1.00083*"0.5"*"16mm/min"*"9412m²"`

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Runoff Rate of Rainwater from Bridge during Rainstorm Solution

STEP 0: Pre-Calculation Summary

Formula Used

Peak Rate of Runoff = 1.00083*Runoff Coefficient*Intensity of Rainfall*Catchment Area for Rainstorm
q_p = 1.00083*C_r*I*A_catchment
This formula uses 4 Variables

Variables Used

Peak Rate of Runoff - (Measured in Cubic Meter per Second) - Peak Rate of Runoff is the maximum rate of discharge during the period of runoff caused by a storm.
Runoff Coefficient - Runoff Coefficient is a dimensionless coefficient relating the amount of runoff to the amount of precipitation received.
Intensity of Rainfall - (Measured in Meter per Second) - Intensity of Rainfall is the ratio of the total amount of rain (rainfall depth) falling during a given period to the duration of the period.
Catchment Area for Rainstorm - (Measured in Square Meter) - Catchment Area for Rainstorm is the total area of the catchment from where total runoff water is collected.

STEP 1: Convert Input(s) to Base Unit

Runoff Coefficient: 0.5 --> No Conversion Required
Intensity of Rainfall: 16 Millimeter per Minute --> 0.000266666666666667 Meter per Second (Check conversion here)
Catchment Area for Rainstorm: 9412 Square Meter --> 9412 Square Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q_p = 1.00083*C_r*I*A_catchment --> 1.00083*0.5*0.000266666666666667*9412

Evaluating ... ...

q_p = 1.255974928

STEP 3: Convert Result to Output's Unit

1.255974928 Cubic Meter per Second --> No Conversion Required

FINAL ANSWER

1.255974928 ≈ 1.255975 Cubic Meter per Second <-- Peak Rate of Runoff

(Calculation completed in 00.020 seconds)

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National Institute of Technology Karnataka (NITK), Surathkal

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National Institute of Technology (NIT), Warangal

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< 7 Rainwater Accumulation and Drainage on Bridges Calculators

Average Rainfall Intensity given Runoff Rate of Rainwater from Bridge during Rainstorm

Go Intensity of Rainfall = Peak Rate of Runoff/(1.00083*Runoff Coefficient*Catchment Area for Rainstorm)

Runoff Coefficient given Runoff Rate of Rainwater from Bridge during Rainstorm

Go Runoff Coefficient = Peak Rate of Runoff/(1.00083*Intensity of Rainfall*Catchment Area for Rainstorm)

Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm

Go Catchment Area for Rainstorm = Peak Rate of Runoff/(1.00083*Runoff Coefficient*Intensity of Rainfall)

Runoff Rate of Rainwater from Bridge during Rainstorm

Go Peak Rate of Runoff = 1.00083*Runoff Coefficient*Intensity of Rainfall*Catchment Area for Rainstorm

Traffic Lane given Deck Width for Handling Rainwater Runoff to Drain Scuppers

Go Number of Traffic Lane = (Width of Deck-Shoulder Width)*3

Shoulder Width for Deck Width of Rainwater Runoff to Drain Scuppers

Go Shoulder Width = Width of Deck-(Number of Traffic Lane/3)

Deck Width for Handling Rainwater Runoff to Drain Scuppers

Go Width of Deck = Shoulder Width+Number of Traffic Lane/3

Runoff Rate of Rainwater from Bridge during Rainstorm Formula

Peak Rate of Runoff = 1.00083*Runoff Coefficient*Intensity of Rainfall*Catchment Area for Rainstorm
q_p = 1.00083*C_r*I*A_catchment

What is Peak Runoff Rate?

The maximum rate of discharge during the period of runoff caused by a storm is called a “peak flow”. The information about peak flows and associated volume of runoff during various floods that have been observed in the past can be complied by the analysis of the observed discharge data and runoff hydrographs.

How to Calculate Runoff Rate of Rainwater from Bridge during Rainstorm?

Runoff Rate of Rainwater from Bridge during Rainstorm calculator uses Peak Rate of Runoff = 1.00083*Runoff Coefficient*Intensity of Rainfall*Catchment Area for Rainstorm to calculate the Peak Rate of Runoff, The Runoff Rate of Rainwater from Bridge during Rainstorm formula is defined as the maximum value discharge generated for a storm event. Peak Rate of Runoff is denoted by q_p symbol.

How to calculate Runoff Rate of Rainwater from Bridge during Rainstorm using this online calculator? To use this online calculator for Runoff Rate of Rainwater from Bridge during Rainstorm, enter Runoff Coefficient (C_r), Intensity of Rainfall (I) & Catchment Area for Rainstorm (A_catchment) and hit the calculate button. Here is how the Runoff Rate of Rainwater from Bridge during Rainstorm calculation can be explained with given input values -> 1.255975 = 1.00083*0.5*0.000266666666666667*9412.

FAQ

What is Runoff Rate of Rainwater from Bridge during Rainstorm?

The Runoff Rate of Rainwater from Bridge during Rainstorm formula is defined as the maximum value discharge generated for a storm event and is represented as q_p = 1.00083*C_r*I*A_catchment or Peak Rate of Runoff = 1.00083*Runoff Coefficient*Intensity of Rainfall*Catchment Area for Rainstorm. Runoff Coefficient is a dimensionless coefficient relating the amount of runoff to the amount of precipitation received, Intensity of Rainfall is the ratio of the total amount of rain (rainfall depth) falling during a given period to the duration of the period & Catchment Area for Rainstorm is the total area of the catchment from where total runoff water is collected.

How to calculate Runoff Rate of Rainwater from Bridge during Rainstorm?

The Runoff Rate of Rainwater from Bridge during Rainstorm formula is defined as the maximum value discharge generated for a storm event is calculated using Peak Rate of Runoff = 1.00083*Runoff Coefficient*Intensity of Rainfall*Catchment Area for Rainstorm. To calculate Runoff Rate of Rainwater from Bridge during Rainstorm, you need Runoff Coefficient (C_r), Intensity of Rainfall (I) & Catchment Area for Rainstorm (A_catchment). With our tool, you need to enter the respective value for Runoff Coefficient, Intensity of Rainfall & Catchment Area for Rainstorm and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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