MnDOT specifications for granular filter material under Class I random riprap
Link to this table

Granular Filter Material Under Class I Random Riprap
Sieve Size
Percent Passing by Weight
2 inch
-
1.5 inch
100
1 inch
-
3/4 inch
70-100
3/8 inch
45-90
No. 4
35-80
No. 10
20-65
No. 40
10-35
No. 200
3-10

This page was last edited on 24 July 2022, at 14:59.