Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm Calculator

✖Peak Rate of Runoff is the maximum rate of discharge during the period of runoff caused by a storm.ⓘ Peak Rate of Runoff [q_p]			+10% -10%
✖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.ⓘ Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm [A_catchment]

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Formula

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Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm

Formula

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

Example

`"9412.188m²"="1.256m³/s"/(1.00083*"0.5"*"16mm/min")`

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Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

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.
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.

STEP 1: Convert Input(s) to Base Unit

Peak Rate of Runoff: 1.256 Cubic Meter per Second --> 1.256 Cubic Meter per Second No Conversion Required
Runoff Coefficient: 0.5 --> No Conversion Required
Intensity of Rainfall: 16 Millimeter per Minute --> 0.000266666666666667 Meter per Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_catchment = q_p/(1.00083*C_r*I) --> 1.256/(1.00083*0.5*0.000266666666666667)

Evaluating ... ...

A_catchment = 9412.18788405622

STEP 3: Convert Result to Output's Unit

9412.18788405622 Square Meter --> No Conversion Required

FINAL ANSWER

9412.18788405622 ≈ 9412.188 Square Meter <-- Catchment Area for Rainstorm

(Calculation completed in 00.004 seconds)

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National Institute of Technology Karnataka (NITK), Surathkal

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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

Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm Formula

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

What is Drainage Area?

A drainage area is the total surface area, upstream of a point on a stream, where the water from rain, snowmelt, or irrigation which is not absorbed into the ground flows over the ground surface, back into streams, to finally reach that point.

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

Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm calculator uses Catchment Area for Rainstorm = Peak Rate of Runoff/(1.00083*Runoff Coefficient*Intensity of Rainfall) to calculate the Catchment Area for Rainstorm, The Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm formula is defined as the total area of drainage for one storm event. Catchment Area for Rainstorm is denoted by A_catchment symbol.

How to calculate Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm using this online calculator? To use this online calculator for Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm, enter Peak Rate of Runoff (q_p), Runoff Coefficient (C_r) & Intensity of Rainfall (I) and hit the calculate button. Here is how the Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm calculation can be explained with given input values -> 9412.188 = 1.256/(1.00083*0.5*0.000266666666666667).

FAQ

What is Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm?

The Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm formula is defined as the total area of drainage for one storm event and is represented as A_catchment = q_p/(1.00083*C_r*I) or Catchment Area for Rainstorm = Peak Rate of Runoff/(1.00083*Runoff Coefficient*Intensity of Rainfall). Peak Rate of Runoff is the maximum rate of discharge during the period of runoff caused by a storm, 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.

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

The Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm formula is defined as the total area of drainage for one storm event is calculated using Catchment Area for Rainstorm = Peak Rate of Runoff/(1.00083*Runoff Coefficient*Intensity of Rainfall). To calculate Drainage Area given Runoff Rate of Rainwater from Bridge during Rainstorm, you need Peak Rate of Runoff (q_p), Runoff Coefficient (C_r) & Intensity of Rainfall (I). With our tool, you need to enter the respective value for Peak Rate of Runoff, Runoff Coefficient & Intensity of Rainfall 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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