Table 3: Specified hydraulic conditions
|
Stability design hydrograph |
Freeboard hydrograph |
|
Design velocity, ft/s |
15 |
29 |
29 |
Design shear stress, lbs/ft2 |
14 |
35.9 |
25 |
Bed slope, ft/ft |
0.4 |
0.4 |
0.4 |
Side slope, (H:V) |
3:1 |
100:1 |
3:1 |
Allowable block protrusion, inch |
0.5 for uniform blocks, 0.0 for 0.5inch tapered blocks |
0.5 for uniform blocks, 0.0 for 0.5inch tapered blocks |
|
Minimum factor of safety |
1.8 |
1 |
1 |
|