Houses per Sewer Line
Ratio of Extreme Flow to Daily Average Flow
Q_{max}/Q_{ave}= |
18 + P^{1/2}
4 + P^{1/2} | P = population in thousands |
Manning's Formula
Q = A x |
1.486
n | x R^{2/3} x S^{1/2} |
- A = area in sq. ft.
- n = Manning's roughness number
- R = hydraulic radius (A/P)
- P = perimeter of pipe in ft.
- S = slope of pipe in ft./ft.
Houses at Minimum Slope
Pipe Size | Minimum Slope | Houses |
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