Construction requirements: Compost filter berm Construction requirements: Compost filter berm

Construction requirements for compost filter berm.
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Annual Rainfall/Flow Rate	Total Precipitation & Rainfall Erosivity Index	Dimensions for the Compost Filter Berm (height x width)
Low	1-25”, 20-90	1’x 2’ – 1.5’ x 3’ (30 cm x 60 cm – 45 cm x 90 cm)
Average	51” and above, 201 and above	1’x 2’ - 1.5’ x 3’ (30 cm x 60 cm – 45 cm x 90 cm)
High	51” and above, 201 and above	1.5’x 3’ – 2’ x 4’ (45 cm x 90 cm – 60cm x 120 cm)