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<br />,.., <br /> <br />. <br /> <br />f""'I <br /> <br />. <br /> <br />SUBARTICLE 200-8.1 (Page 198) is deleted and the following substituted: <br /> <br />,., <br />. <br /> <br />200-8.1 Priming: Apply the prime coat only when the base meets the specified <br />density requirements and when the moisture content in the top half of the base does not <br />exceed the optimum moisture of the base material. At the time of priming, ensure that the <br />base is firm, unyielding and in such condition that no undue distortion will occur. <br /> <br />.., <br />. <br /> <br />" <br />. <br /> <br />234 SUPERPAVE ASPHALT BASE. <br />(REV 12-20-04) (FA 1-3-05) (7-05) <br /> <br />I <br />I <br /> <br />SECTION 234 (Pages 205-208) is deleted and the following substituted: <br /> <br />SECTION <br />SUPERPA VE ASPHALT BASE <br /> <br />234 <br /> <br />II <br />. <br /> <br />234-1 Description. <br />Construct a Superpave Asphalt Concrete base course as defined in these <br />Specifications. Base course mixes are designated as B-12.5. The Contractor may use a <br />Type SP-12.5 mixture, (Traffic Level B or C) in lieu of a Type B-12.5. <br /> <br />'1 <br />. <br /> <br />234-2 Materials. <br />234-2.1 General: Use materials that conform to the requirements of Division III. <br />Specific references are as follows: <br /> <br />I <br /> <br />r'l <br />. <br /> <br />Superpave PG Asphalt Binder or Recycling Agent 916-1, 916-2 <br />Coarse Aggregate, Stone, Slag or Crushed Gravel.. Section 901 <br />Fine Aggregate................................................. Section 902 <br /> <br />.., <br />. <br /> <br />234-2.2 Reclaimed Asphalt Pavement (RAP): RAP may be used as a component <br />material of the asphalt mixture provided the requirements of 334-2.3 are met. <br /> <br />. <br /> <br />234-3 General Composition of Mixture. <br />234-3.1 General: Compose the asphalt mixture using a combination of aggregate <br />(coarse, fine or mixtures thereof), mineral filler if required, and asphalt binder material. <br />Size, <br />grade and combine the aggregate fractions to meet the grading and physical properties of <br />the mix design. Aggregates from various sources may be combined. <br />234-3.2 Mix Design: Unless otherwise specified, design the mix such that all <br />requirements for a Type SP-12.5, Traffic Level B or C mixture as specified in Section 334 <br />are met. <br />234-3.2.1 Gradation Classification: Use a fine mix as defined in 334-3.2.2.1. <br />234-3.2.2 Aggregate Consensus Properties: Meet the aggregate consensus <br />properties at design as specified in 334-3.2.3. Meet the criteria specified for a depth of top <br />of pavement layer from surface of greater than 4 inches [100 mm]. <br />234-3.2.3 Mix Design Revisions: Meet the requirements of 334-3.3. <br /> <br />1'1 <br />. <br /> <br />.., <br />. <br /> <br />,.., <br />. <br /> <br />r"1 <br /> <br />,., <br />. <br /> <br />r"1 <br /> <br />234-4 Contractor's Process Control. <br />Meet the requirements of 330-2 and 334-4. <br /> <br />. <br /> <br />,.., <br /> <br />09/09 <br /> <br />01000-44 <br /> <br />03-4122.F <br /> <br />. <br />