Resolutions-1997-021

4.07 PAVEMENT MATERIAL AND THICKNESS A. The pavement slab may be constructed of the following materials: 1. Non-reinforced Portland cement concrete conforming the IDOT specifications C-3 mix or M-3 mix as applicable. 2. Full depth asphaltic concrete hot mix conforming to the IDOT specifications for Type "B" base and Type "A" surface course. B. Minimum alley pavement thickness: <table> <tr> <th></th> <th>Residential</th> <th>Commercial</th> </tr> <tr> <td>Portland Cement Concrete</td> <td>6"</td> <td>7"</td> </tr> <tr> <td>Asphalt Cement Concrete</td> <td>7"</td> <td>8"</td> </tr> </table> 4.08 SUBGRADE REQUIREMENTS A. The subgrade shall be scarified to a depth of 6-inches below the pavement, and compacted to 90% of Modified Proctor Density. B. All fill sections shall be compacted to 90% of Modified Proctor Density.