Cascade Drop Structure Design

Calculate hydraulic parameters for cascade/fall structures in channels

Channel Geometry
Width of the channel
Drop height between cascades (z)
Flow Parameters
Design flow rate (Q)
Surface roughness coefficient (n)
Upstream water depth
Downstream water depth
Free Board (m)
Manning's Roughness Coefficient Reference
Channel Type Manning's n
Concrete lined (smooth)0.012 - 0.014
Concrete lined (rough)0.014 - 0.017
Brick in cement mortar0.015 - 0.017
Earth channel (clean)0.017 - 0.025
Earth channel (weedy)0.025 - 0.035
Natural stream (clean)0.030 - 0.040