The multi-layer profile of an athletic track pavement assembly consists of a topmost layer of rubberized track surfacing per specification section 321823.39 installed over a three-inch athletic track asphalt paving layer per section 321216.35. A six-inch crushed surfacing top course layer sits below the asphalt paving. The foundation is supported by a subgrade compacted to ninety-five percent dry density per civil engineering specifications.
1. RUBBERIZED TRACK SURFACING (SEC 321823.39) 2. ATHLETIC TRACK ASPHALT PAVING (SEC 321216.35) 3. CRUSHED SURFACING TOP COURSE (SEC 321216.35) 4. SUBGRADE COMPACTED TO 95% DRY DENSITY (SEE CIVIL) 3" 6" SEE SPEC 1 2 3 4 B
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