Recommended dimensions for stabilized berms Revision as of 13:24, 26 July 2022 by Mtrojan (talk | contribs)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Recommended dimensions for stabilized berms

Recommended dimensions for stabilized berms. Source: MnDOT Standard Specifications for Construction
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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