Specifications include, but are not limited to: Special #67 (Washed Aggregate finished with the following gradation: Size % Total Weight Passing 1" 100% 3/4" 95 - 100% 3/8" 10 - 35% #4 0 - 10% #8 0 - 5%; Special #78M (Washed) Aggregate furnished with the following gradation: Size % Total Weight Passing 1/2" 100% 3/8" 98 - 100% #4 10 - 25% #8 0 - 10%; MOD #3T R/R Ballast furnished with the following specifications: Gradation test shall be determined in accordance to ASTM Method of Test Designation C-136, utilizing square opening sieves conforming to ASTM Specification E-11. The percentage passing each sieve shall fall within the following limits for #3 (modified): Sieve Designation Sieve Opening #3 Ballast (Modified) % Passing Sieve 2-1/2" 2.50" 100 2" 2" 95-100 1-1/2" 1.50" 30-65 1" 1.00" 0-15
