APPENDIX C: PAVEMENT DESIGNS HOLDING DGA THICKNESS CONSTANT AT 8"
Traffic Level
CBR
A
B
C
1
8 in. DGA
6.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 16"
8 in. DGA
7.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 17"   
8 in. DGA
8.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 18"
2
8 in. DGA
5.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 15"
8 in. DGA
6.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 16"   
8 in. DGA
7.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 17"
3
8 in. DGA
4.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 14"
8 in. DGA
5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 14.5"   
8 in. DGA
6.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 16"
4
8 in. DGA
3.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 13"
8 in. DGA
4.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 14"   
8 in. DGA
5.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 15"
5
8 in. DGA
2.5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 12"
8 in. DGA
4 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 13.5"   
8 in. DGA
5 in. Asphalt Base
1.5 in. Asphalt Surface
Total Depth = 14.5"
*   All base depths are rounded up to the nearest one-half inch.
Traffic levels: A up to 400 adt, B up to 700 adt, C up to 1500 adt; where the adt exceeds 1500, the engineer shall submit design criteria. Where multiple CBR values are found the lowest value (higher number) shall be used.
 
(Ord. passed 3- -1995; Ord. passed 10- -2005; Ord. 2018-03, passed 2-14-2018; Ord. passed 1- -2020)