9.C.1. PRSR 01-10-2001 - Laserfiche WebLink

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2350 • Plant Mixed Asphalt Pavement Sections 2331 and 2340 of the Standard Specifications are deleted and replaced with the following; 2350.1 DESCRIPTION This work consists of the construction of one or more pavement courses of hot plant mixed asphalt-aggregate mixture on the approved prepared foundation, base course or existing surface in accordance with the specifications and in conformity with the lines, grades, thicknesses and typical cross sections shown on the plans or established by the Engineer. 2350.2 MATERIALS A-Aggregate Al General Requirements The aggregate blend used in the work shall conform to the requirements of Section 3139, as revised following this provision, for the particular material specified, except as hereinafter otherwise or additionally stipulated. Class B aggregate will not be allowed in the final lift of roadways with traffic levels over 10 million, 20 year design ESAL's. A2 Aggregate Gradation for Asphalt Mixtures • The combined aggregates, including mineral filler when required, shall conform to the following gradation requirements. Table 2350-1 Broad Band Aggregate Gradation for Asphalt Mixtures ( % passing of total washed gradation) Sieve Size mm (in) 1 2 3 37.5 (1 1/2") 100 - - - 25.0 (1") 90-100 100 - - 19.0 (3/4") 55-90 90-100 100 - 12.5 (1/2") - 45-90 90-100 100 9.5 (3/8") - - 35-90 90-100 4.75 (#4) 15-70 20-75 20-80 25-85 2.36 (#8) 10-55 15-60 15-65 20-70 0.075 (#200) 2-7 2-7 2-7 2-7 B Additives An additive is any material added to a asphalt mixture or material, such as mineral filler, hydrated lime, asphalt additives, antistrip, and similar products that do not have a specific pay item. When a Contract requires additives, compensation is included with the pay items for the appropriate mixture. If the Engineer directs the Contractor to incorporate additives, the •