Illinois Administrative Code (Last Updated: March 27, 2024) |
TITLE35. ENVIRONMENTAL PROTECTION |
PART570. DESIGN AND MAINTENANCE CRITERIA REGARDING RUNOFF FIELD APPLICATION SYSTEMS |
SUBPARTB. DESIGN CRITERIA |
§570.APPENDIX F. Recommend Effluent Transport Systems Designs
Latest version.
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Type
Maximum Flow* Qf (gpm)
Minimum Slope (%)
Design Velocity (fps)
Materials
Dimensions
Pipe
179
0.5
2
PVC
6" diam
332
0.4
2
PVC
8" diam
Open Channel
Rectangular
224
0.33
2
Concrete, Wood, Asphalt, Aluminum
6" x 6"
Trapazoidal
224
0.37
2
Concrete, Wood, Asphalt, Aluminum
b = 6"
S = 2:1
d = 3'
Mannings Equation with n = 0.013
Pipe Rectangular Trapazoidal