Tack Coat. A. Materials shall conform to the requirements below. For tack coats, a rapid curing cut-back, a cationic emulsified asphalt (CSS-1 or -1h), or an anionic emulsified asphalt (SS-1 or -1h) will be used. Dependent upon the texture of the base and the season of the year that the work is being performed, the Engineer will select the particular grade of the type of asphalt material that will be used. Samples of asphalt material will be tested according to applicable AASHTO or ASTM methods. 1. Rapid Curing Cut-back Asphalt (RC-70, -250, -800 or -3000) shall conform to the requirements of AASHTO M 81.
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Sources: Design Standards, Standard Specifications, and Standard Details for Water and Wastewater, Design Standards, Standard Specifications, and Standard Details for Water and Wastewater