Type1 | Maximum Flow Qf (gpm) | Slope | Dimensions | Materials2 | Weirs3 | Diagram |
1/2 Pipe | 150 | level | 8" diam. | PVC | 30° V-notch | A |
225 | level | 10" | PVC | 30° V-notch | B | |
Box Trough | 225 | level | 6" x 6" | 2" x 8" dimension lumber | 30° V-notch | C |
Aluminum Guttering | (Size with the Box Trough Criteria Above) |
CROSS-SECTION VIEW
Ill. Admin. Code tit. 35, pt. 570, subpt. B, app H