1. Conventional Pavement Structure 12.00 inches Graded Aggregate Base 12.25 inches Asphaltic Concrete Paving Prepared Subgrade stress

2. Inverted Pavement Structure stress 2.00 inches Asphaltic Concrete Paving 6.00 inches Graded Aggregate Base 10.00 inches Cement Treated Base Prepared Subgrade

3. Inverted Base Construction Asphaltic Concrete Paving Graded Aggregate Base Cement Treated Base Subgrade Minimum CBR Value of 15

4. Inverted Base Construction Asphaltic Concrete Paving Graded Aggregate Base Cement Treated Base 145 psi to 435 psi Subgrade

5. Inverted Base Construction Asphaltic Concrete Paving Graded Aggregate Base 86% of Apparent Density Cement Treated Base Subgrade

6. Inverted Base Construction Asphaltic Concrete Paving For Protection of GAB Layer Graded Aggregate Base Cement Treated Base Subgrade

7. MaterialDepthPrice Subgrade12 inches$12.52 y² CTB10 inches$15.53 y² GAB6 inches$6.26 y² HMA2 inches$5.10 y² MaterialDepthPrice Subgrade12 inches$12.52 y² GAB12 inches$12.52 y² HMA 25 mm9 inches$18.59 y² HMA 19 mm2 inches$4.91 y² HMA 12.5 mm1.5 inches$5.49 y² Cost Comparisons Inverted Base Structure GDOT Interstate Structure Total Placement Cost = $39.41 y²Total Placement Cost = $54.03 y²