✖Length of Opening refers to the dimension of the structure that allows water to pass through.ⓘ Length of Opening [L_o]			+10% -10%
✖Depression in Curb Inlet is the height of depression at the curb achieved from the steeper grade of the gutter cross slope relative to the roadway cross-slope.ⓘ Depression in Curb Inlet [a]			+10% -10%
✖Depth of Flow at Inlet refers to the depth of water in a channel or conduit at the point where water enters a structure, such as a culvert, intake structure, or storm water inlet.ⓘ Depth of Flow at Inlet [y]			+10% -10%

✖Runoff Quantity is the amount of water that storms bring to the earth.ⓘ Runoff Quantity with Full Gutter Flow [Q_ro]

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Formula

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Runoff Quantity with Full Gutter Flow

Formula

`"Q"_{"ro"} = 0.7*"L"_{"o"}*("a"+"y")^(3/2)`

Example

`"328.9804ft³/s"=0.7*"7ft"*("4ft"+"7.117ft")^(3/2)`

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Runoff Quantity with Full Gutter Flow Solution

STEP 0: Pre-Calculation Summary

Formula Used

Runoff Quantity = 0.7*Length of Opening*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2)
Q_ro = 0.7*L_o*(a+y)^(3/2)
This formula uses 4 Variables

Variables Used

Runoff Quantity - (Measured in Cubic Meter per Second) - Runoff Quantity is the amount of water that storms bring to the earth.
Length of Opening - (Measured in Meter) - Length of Opening refers to the dimension of the structure that allows water to pass through.
Depression in Curb Inlet - (Measured in Meter) - Depression in Curb Inlet is the height of depression at the curb achieved from the steeper grade of the gutter cross slope relative to the roadway cross-slope.
Depth of Flow at Inlet - (Measured in Meter) - Depth of Flow at Inlet refers to the depth of water in a channel or conduit at the point where water enters a structure, such as a culvert, intake structure, or storm water inlet.

STEP 1: Convert Input(s) to Base Unit

Length of Opening: 7 Foot --> 2.13360000000853 Meter (Check conversion here)
Depression in Curb Inlet: 4 Foot --> 1.21920000000488 Meter (Check conversion here)
Depth of Flow at Inlet: 7.117 Foot --> 2.16926160000868 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q_ro = 0.7*L_o*(a+y)^(3/2) --> 0.7*2.13360000000853*(1.21920000000488+2.16926160000868)^(3/2)

Evaluating ... ...

Q_ro = 9.31568715121965

STEP 3: Convert Result to Output's Unit

9.31568715121965 Cubic Meter per Second -->328.980387023027 Cubic Foot per Second (Check conversion here)

FINAL ANSWER

328.980387023027 ≈ 328.9804 Cubic Foot per Second <-- Runoff Quantity

(Calculation completed in 00.004 seconds)

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Created by Mridul Sharma

Indian Institute of Information Technology (IIIT), Bhopal

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National Institute of Technology (NIT), Warangal

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< 10+ Disposing of Storm Water Calculators

Depth of Flow given Inlet Capacity for Flow Depth more than 1ft 5in

Go Depth = ((Inlet Capacity/(0.6*Area of Opening))^2)*(1/(2*Acceleration due to Gravity in Environment))

Depression in Curb Inlet given Runoff Quantity with Full Gutter flow

Go Depression in Curb Inlet = ((Runoff Quantity/(0.7*Length of Opening))^(2/3))-Depth of Flow at Inlet

Depth of Flow at Inlet given Runoff Quantity with Full Gutter Flow

Go Depth of Flow at Inlet = ((Runoff Quantity/(0.7*Length of Opening))^(2/3))-Depression in Curb Inlet

Area of Opening given Inlet Capacity for Flow Depth more than 1ft 5in

Go Area of Opening = Inlet Capacity/(0.6*(2*Acceleration due to Gravity in Environment*Depth)^(1/2))

Length of Opening given Runoff Quantity with Full Gutter Flow

Go Length of Opening = Runoff Quantity/(0.7*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2))

Inlet Capacity for Flow Depth more than 1ft 5in

Go Inlet Capacity = 0.6*Area of Opening*((2*Acceleration due to Gravity in Environment*Depth)^(1/2))

Runoff Quantity with Full Gutter Flow

Go Runoff Quantity = 0.7*Length of Opening*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2)

Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in

Go Depth of Flow at Inlet = (Water Flow/(3*Perimeter of Grate Opening))^(2/3)

Perimeter when Inlet Capacity for Flow Depth is up to 4.8 inches

Go Perimeter of Grate Opening = Water Flow/(3*Depth of Flow at Inlet^(3/2))

Inlet Capacity for Flow Depth

Go Water Flow = 3*Perimeter of Grate Opening*Depth of Flow at Inlet^(3/2)

Runoff Quantity with Full Gutter Flow Formula

Runoff Quantity = 0.7*Length of Opening*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2)
Q_ro = 0.7*L_o*(a+y)^(3/2)

What is a Curb Inlet?

Curb Inlets are used to assist in storm water drainage of the street surface area. The Curb Inlet is usually a below ground box structure with a vertical opening at the street level.

How to Calculate Runoff Quantity with Full Gutter Flow?

Runoff Quantity with Full Gutter Flow calculator uses Runoff Quantity = 0.7*Length of Opening*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2) to calculate the Runoff Quantity, The Runoff quantity with full gutter flow is defined as the amount of the water flow per second when we have a prior info of opening length, depression in curb and depth of flow at the inlet. Runoff Quantity is denoted by Q_ro symbol.

How to calculate Runoff Quantity with Full Gutter Flow using this online calculator? To use this online calculator for Runoff Quantity with Full Gutter Flow, enter Length of Opening (L_o), Depression in Curb Inlet (a) & Depth of Flow at Inlet (y) and hit the calculate button. Here is how the Runoff Quantity with Full Gutter Flow calculation can be explained with given input values -> 11617.83 = 0.7*2.13360000000853*(1.21920000000488+2.16926160000868)^(3/2).

FAQ

What is Runoff Quantity with Full Gutter Flow?

The Runoff quantity with full gutter flow is defined as the amount of the water flow per second when we have a prior info of opening length, depression in curb and depth of flow at the inlet and is represented as Q_ro = 0.7*L_o*(a+y)^(3/2) or Runoff Quantity = 0.7*Length of Opening*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2). Length of Opening refers to the dimension of the structure that allows water to pass through, Depression in Curb Inlet is the height of depression at the curb achieved from the steeper grade of the gutter cross slope relative to the roadway cross-slope & Depth of Flow at Inlet refers to the depth of water in a channel or conduit at the point where water enters a structure, such as a culvert, intake structure, or storm water inlet.

How to calculate Runoff Quantity with Full Gutter Flow?

The Runoff quantity with full gutter flow is defined as the amount of the water flow per second when we have a prior info of opening length, depression in curb and depth of flow at the inlet is calculated using Runoff Quantity = 0.7*Length of Opening*(Depression in Curb Inlet+Depth of Flow at Inlet)^(3/2). To calculate Runoff Quantity with Full Gutter Flow, you need Length of Opening (L_o), Depression in Curb Inlet (a) & Depth of Flow at Inlet (y). With our tool, you need to enter the respective value for Length of Opening, Depression in Curb Inlet & Depth of Flow at Inlet 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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