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6/26/18 <br />CITY OF SOUTH BENDItemRevision <br />STANDARD <br />EFFECTIVE DATE: <br />REF STD SPEC SEC <br />APPROVED/REVISED BY THE BOARD OF PUBLIC WORKS <br />STANDARDS FOR DESIGN <br />AND CONSTRUCTION <br />Kara M. Boyles, Ph.D., P.E. Date <br />MINIMUM PAVEMENT SECTION 2-11 <br />2-2, 2-3 <br />June 26, 2018 <br />SECTION 2 - STREETS AND PATHS <br />NOTES: <br />1. See prevailing specifications for method of testing existing soil subbase purposes. <br />2. Alternate pavement designs (AASHTO 93) and input parameters shall be <br />submitted to the City Engineer for review. <br />3. Arterial pavements shall meet IAW Mechanistic Empirical Pavement Design Guide <br />requirements. <br />MINIMUM PAVEMENT THICKNESS REQUIREMENT <br />STREET TYPE CATEGORY <br />SUBGRADE <br />TREATMENT <br />SUBBASE <br />No. 53 <br />PLAIN <br />CEMENT <br />CONC. <br />HMA <br />SURFACE HMA INT. HMA BASE <br />Residential Minor Type II 6" 7" <br />Residential Minor Type II 6"1 1 2" <br />(165#/SYS) <br />2 1 2" <br />(275#/SYS) <br />4" <br />(440#/SYS) <br />Collector | Commercial Collector Type II 6" * 10" <br />Collector | Commercial Collector Type II 6"1 1 2" <br />(165#/SYS) <br />2 1 2" <br />(275#/SYS) <br />8" <br />(880#/SYS) <br />Industrial Major Type I 6" *11.5" <br />Industrial Major Type I 10"1 1 2" <br />(165#/SYS) <br />2 1 2" <br />(275#/SYS) <br />8" <br />(880#/SYS) <br />Multi-Purpose Path Minor Type III 4"5" <br />Multi-Purpose Path Minor Type II 4"1 1 2" <br />(165#/SYS) <br />2 1 2" <br />(275#/SYS) <br />Alleyway Minor Type III 6" 6" <br />1 1 2" <br />(165#/SYS) <br />2 1 2" <br />(275#/SYS) <br />Parking Lot Minor Type III 6"4-5"**1 1 2" <br />(165#/SYS) <br />2 1 2" <br />(275#/SYS) <br />* If underdrains are recommended per the Geotechnical Report, the Subbase <br />shall include 3" of #8 Coarse Aggregate above the Subbase No. 53 to serve as <br />a drainage layer. <br />** Based on joint spacing.