Division 400 — Section 408
400-46 Section 408 — Asphalt Surface Treatment – Triple Treatment
408.1 Description 1 Construct an asphalt surface treatment – triple treatment on a prepared foundation. 408.2 Material 408.2.1 Asphalt Material s 408.2.1.1 Emulsified Asphalt 1 Use emulsified asphalt conforming to Subsection 401.2.1. 3. 408.2.2 Aggregate 1 Use Aggregate No. 6M and No. 89M conforming to Subsection 406.2.2. 2 Use Aggregate No. FA -13 listed on Qualified Products List 1 consisting of crushed stone, crushed or uncrushed gravel, or sand. Ensure that the aggregate is free from clay balls and adherent films of clay. 3 Washed screenings listed on Qualified Products List 1 may be used in lieu of Aggregate No. FA-13 in Asphalt Surface Treatment Triple Treatment - Type 2, if they meet the gradation in the following table. Washed Screening Sieve Designation Percentage by Weight Passing, % ⅜ in. 100.0 No. 4 90.0 – 100.0 No. 8 80.0 – 100.0 No. 30 25.0 – 55.0 No. 100 0.0 – 10.0 No. 200 0.00 – 4.00 408.2.3 Variation in Materials 1 Ensure that the variation in materials conforms to Subsection 406.2.2.