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TABLE NO 2
GRADATION SPECIFICATION LIMIT FOR BITUMINOUS PAVEMENTS

ASPHALT MIXTURE - SURFACE COURSE - *HIGH PRESSURE TIRES ( Over 100 Psi )
Percent passing (by weight)

Sieve 1 inch maximum 3/4 inch maximum

Size 1 1/2 inch Gradation 6 Gradation 7
maximum

1“ A B C A B C
100 - - - - -

3/4” 86-97 - - 100 - -

1/2” 76-90 - - 82-96 - -
3/8” 69-83 - - 75-90 - -

#4 55-70 - - 60-73 - -

#8 45-59 - - 46-60 - -
#16 35-48 - - 34-48 - -

#30 26-38 - - 24-38 - -

#50 17-28 - - 15-28 - -
#100 10-20 - - 8-7 - -

#200 3-6 - - 3-6 - -

* Optional for Low Pressure Tires (100 Psi & under)