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§ 153.041 MATERIALS FOR FLEXIBLE PAVEMENT CONSTRUCTION.
   If selecting flexible pavement, all streets and alleys shall be constructed, solely at the expense of the subdivider/developer, in conformance with the requirements set forth in Table 153.042 with the provisions outlined herein, and with the standard specification plan sheets.
   (A)   Revised pavement design. Should the City Engineer determine that the city's minimum pavement standards are not adequate for a given condition, including, vehicle volume, size of loads, truck volume, subgrade support or drainage, a revised pavement design shall be proposed by the developer's engineer, subject to all provisions and procedures of the current pavement design which remain applicable, and subject to the review of the City Engineer.
   (B)   Conformance to standards. If required, the revised pavement design shall be according to Section 44-4 of the IDOT “Bureau of Local Roads and Street Manual.”
   (C)   Bituminous prime coat materials. A bituminous prime coat shall be used on all granular subbases. No hot-mix asphalt shall be placed directly upon a granular subbase. Prime coat shall be according to IDOT Standard Specifications, Section 406.
 
TABLE 153.041: BITUMINOUS MATERIALS
Type of Construction
Bituminous Materials
Prime (tack) on brick, concrete or HMA bases
SS-1, SS-1h, CSS-1, CSS-1h, HFE 90, RC-70, SS-1hP, CS-1hP
Prime on aggregate bases
MC-30
 
   (D)   Hot-mix asphalt mixtures. All mixes shall be manufactured in state-based plants and within the tolerance limits of the mixing formula provided by IDOT to the plants for the mixture.
   (E)   Hot-mix asphalt binder course shall conform to IDOT Standard Specifications, Section 406 and shall conform to the following mix design:
      (1)   Asphaltic content/ performance grade (AC/PG): PG 64-22;
      (2)   Thickness (min): overall thickness listed in Table 153.042 exclusive of surface course;
      (3)   RAP % (max): 10%;
      (4)   Design air voids: 4.0% at Ndes=70;
      (5)   Mix composition: IL-19.0; and
      (6)   Friction aggregate: Mixture “B.”
   (F)   Hot-mix asphalt surface course shall conform to IDOT Standard Specifications, Section 406 and shall conform to the following mix design:
      (1)   Asphaltic content/ performance grade (AC/PG): PG 64-22;
      (2)   Thickness (min): 2 inch;
      (3)   RAP % (max): 10%;
      (4)   Design air voids: 4.0% at Ndes=70;
      (5)   Mix composition: IL - 9.5; and
      (6)   Friction aggregate: mixture “C.”
(Ord. 2009-21, § 18.5-3-17, passed 10-5-2009; Am. Ord. 2016-29, passed 11-7-2016)