(A) Asphalt binder shall comply with IDOT Specification §§ 2303 and 4137 for PG 58-28.
(B) The minimum allowable asphalt mix design shall be an IDOT HMA 300K mix, but calculations must be provided to document whether a stronger mix is required. Minimum lift thickness shall be one and one-half inch and maximum lift thickness shall be two and one-half inches.
(C) Asphalt tack coat, when required, shall comply with IDOT Specification § 2303. Bituminous tack coat material shall be SS-1, SS-1H, CSS-1 or CSS-1H. Application rate shall be 0.02 to 0.05 gallons per square yard when applied between courses to horizontal surfaces, and 0.10 to 0.15 gallons per square yard when applied to vertical surfaces such as exposed joints or concrete curb and gutter.