The minimum allowable slope shall be that which results in a velocity of two feet per second when the conduit flows at l/4 of full depth.
Size | Slope (Percent) |
Size | Slope (Percent) |
8-inch conduit | 0.50 |
10-inch conduit | 0.50 |
12-inch conduit | 0.40 |
15-inch conduit | 0.30 |
18-inch conduit | 0.24 |
21-inch conduit | 0.19 |
24-inch conduit | 0.16 |
27-inch conduit | 0.14 |
30-inch conduit | 0.12
|
(Ord. O-38-83, passed 12-20-83) Penalty, see § 50.999