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Latest revision as of 13:24, 26 July 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

This page was last edited on 26 July 2022, at 13:24.