MnDOT specifications for granular filter material under all other riprap
Link to this table

Granular Filter Material Under All Other Riprap
Sieve Size
Percent Passing by Weight
6 inch
100
3 inch
75-95
1 inch
35-75
No. 4
10-40
No. 10
5-25
No. 40
0-10
No. 200
0-5

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