Difference between revisions of "Recommended dimensions for stabilized berms"
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| − | <font size=3>'''Recommended dimensions for stabilized berms. Source: MnDOT | + | <font size=3>'''Recommended dimensions for stabilized berms. Source: [http://www.dot.state.mn.us/pre-letting/spec/ MnDOT Standard Specifications for Construction]'''</font size><br> |
Link to this [[Recommended dimensions for stabilized berms|table]] | Link to this [[Recommended dimensions for stabilized berms|table]] | ||
Revision as of 15:15, 6 February 2022
Recommended dimensions for stabilized berms. Source: MnDOT Standard Specifications for Construction
Link to this table
| Berm Type/Material | Recommended shape | Recommended base width | Recommended height | Recommended side slopes |
|---|---|---|---|---|
| Type 1 - compost | Trapezoidal | 5 feet | 2 feet (minimum) | 2:1 |
| Type 2 - slash mulch | Trapezoidal | 5 feet | 2 feet (minimum) | 2:1 |
| Type 3 - rock weeper system | Trapezoidal | 8 feet | 2 feet (maximum) | 2:1 |
| Type 4 - topsoil | Trapezoidal | 7 feet | 2 feet (minimum) | 2:1 |
| Type 5 - rock | Trapezoidal | 5 feet | 2 feet (maximum) | 2:1 |