- #1

Bison11

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Thinking to use modified Manning's equation for triangular gutter cross section

Q = K(z/n)(s^.5)[y^(8/3)]

Q = gutter flow

z = reciprocal of the cross slope of the gutter

n = roughness coefficient

s= gutter slope

y = water depth at the curb

K = constant = .38 for metric

first I found the Q for the gutter flow

Q=?

z= 1/.02=50

n = .013

s= .008

y= 5m(.02)=.1m

K= .38

so Q = .38(50/.013)(.008^.5)[.1^(8/3)] = .28 m^3/s

at this point I am not sure how to use the runoff of 2 L/m-s and the Q = .28 m^3/s to get a max distance between inlets?