412.1 412.2(b) MIXED 6.3 MM THIN ASPHALT OVERLAY COURSES
412.1DESCRIPTION —This work is the construction of a thin lift wearing course of plant-mixed , dense- graded
asphalt concrete with 6.3 mm Nominal Maximum Aggregate Size (NMAS) , placed on a prepared surface.
412.2MATERIALS —Section 413.2 with additions and modifications as follows :
for Performance- Graded Asphalt Binder Using Multiple Stress Creep Recovery (MSCR) Test, AASHTO M 332, except as revised in Bulletin 25. Obtain material from a source listed in Bulletin 15 for the specified performance grade. Provide QC testing and certification as specified in Sections
106.03(b) and 702.1(b)1. Provide the Representative a copy of a signed Bill of Lading for asphalt
binder material on the first day of paving and when the batch number changes.
Refinery or Terminal. Provide refinery or terminal blended asphalt material blended with an approved WMA Technology additive or modifier from an approved manufacturer and source listed in Bulletin 15. Include in the asphalt material Producer QC Plan, the WMA Technology additive or modifier manufacturer name, WMA Technology name, and source, dosage rates, blending method, QC testing, corrective action points, disposition of failed material, storage, handling shipping, and bill of lading information following the applicable requirements in Section 702. Include the WMA Technology additive or modifier and dos age rate on the bill of lading. Provide certification that the refinery or terminally blended asphalt binder , that when modified with the WMA Technology additive or modifier , meets the requirements for the specified performance grade.
Plant . Provide a blended asphalt binder consisting of an approved WMA Technology additive or modifier from an approved manufacturer and source listed in Bulletin 15 that is blended with a base asphalt binder of the specified performance grade conforming to the requirements of Standard Specifications for Performance- Graded Asphalt Binder Using Multiple Stress Creep Recovery (MSCR) Test, AASHTO M 332, except as revised in Bulletin 25 and from an approved source listed in Bulletin 15, Section 702. Prepare a Producer QC Plan as specified in Section 106 and conforming to the Producer QC Plan requirements in Section 413.2(e)1.a and the additional Producer QC Plan requirements within this specification.
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