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Gravity Sewer Design

Calculate gravity sewer pipe sizing using Manning's equation.

Rate of fluid movement through the system.
GPM
Tubular conduit specifications.
%
Numerical input for the calculation.
Proportional relationship between two values.

Results

Pipe Diameter:
Calculated pipe diameter based on your inputs.
-in
Velocity Full:
Calculated speed or velocity.
-ft/s
Full Capacity:
Maximum amount that can be handled.
-GPM
Reference: AWWA/EPA Standards. Manning's equation.