Material Specifications Please click here for mm sieve conversion. Crushed Aggregate Base: Sieve Size % Passing 1-1/2" 100 3/4" 90-100 3/8" 50-80 No. 4 35-55 No. 30 10-30 No. 200 2-9 Tests Test Method Req. R-Value* CA. 301 80 Min. Sand Equivalent CA. 217 50 Min % Wear ASTM C 131 100 rev 15 Max 500 rev 52 Max Specific Gravity ASTM C 127 2.58 Min.2 100% Crushed Rock & Rock Dust R-Value will be waived if SE is 55 or more Crushed Miscellaneous Base: Sieve Size Coarse Fine 2" 100 1-1/2" 85-100 100 3/4" 58-78 85-100 3/8" 55-75 No. 4 27-47 30-50 No. 30 12-28 No. 200 2-12 2-10 Tests Test Method Req. R-Value* CA. 301 80 Min. Sand Equivalent CA. 217 35 Min % Wear ASTM C 131 100 rev 15 Max 500 rev 52 Max Crushed asphalt, concrete and may contain rock R-Value will be waived if SE is 40 or more Processed Miscellaneous Base: Sieve Size Coarse Fine 2" 100 1-1/2" 85-100 100 3/4" 58-80 80-100 No. 4 27-47 35-60 No. 30 10-30 No. 200 2-11 2-11 Tests Test Method Req. R-Value* CA. 301 78 Min. Sand Equivalent CA. 217 30 Min % Wear ASTM C 131 100 rev 15 Max 500 rev 52 Max Crushed asphalt, concrete and may contain rock R-Value will be waived if SE is 35 or more Caltrans Class Two Base: 1-1/2" Coarse 3/4" Fine Sieve Size Operating Range Contract Comp Operating Range Contract Comp 2" 100 100 1-1/2" 90-100 87-100 1" 100 100 3/4" 50-85 49-90 90-100 87-100 No. 4 25-45 20-50 35-60 30-65 No. 30 10-25 6-29 10-30 5-35 No. 200 2-9 0-12 2-9 0-12 Tests Test Method Operating Range Contract Comp R-Value* CA. 301 78 Min Sand Equivalent CA. 217 25 Min 22 Min Durability 35 Min Crushed rock,asphalt & concrete Crushed Rock: Percent Passing Sieve Size 1" 3/4" 1/2" 1-1/2" 100 - - 1" 90-100 100 - 3/4" 30-60 90-100 100 1/2" 0-20 30-60 90-100 3/8" - 0-20 20-60 No. 4 0-5 0-5 0-15 No. 8 - - 0-5 Tests Test Method Requirements % Wear ASTM C 131 100 rev 15 Max 500 rev 52 Max Crushed Rock: Percent Passing Sieve Size 3/8" 1/4" 3/16" Rock Dust 1/2" 100 - - - 3/8" 90-100 - - 100 1/4" - 100 - - No. 4 30-60 75-100 100 90-100 No. 8 0-10 0-25 40-75 - No. 1 6 0-5 0-5 0-10 - No. 30 - - - 20-60 No. 200 - 0-2 0-2 5-20 Tests Test Method Requirements % Wear ASTM C 131 100 rev 15 Max 500 rev 52 Max Crushed rock, asphalt & concrete Washed Concrete Aggregate: Percent Passing Sieve Size No. 2 No. 3 No. 4 2" 100 - - 1-1/2" 90-100 100 - 1" 5-40 90-100 - 3/4" 0-15 55-85 100 3/8" 0-5 8-20 85-100 No. 4 - 0-5 0-30 No. 8 - 0-5 0-10 No. 200 0-2 0-2 0-2 Tests Test M ethod Requirements % Wear ASTM C 131 100 rev 15 Max 500 rev 52 Max Cleanness CA. 227 75 Min Specific Gravity ASTM C 127 2.58 Min.2 Sand Gradations: Percent Passing Sieve Size A/C Concrete Mortar 3/8" 100 100 - No. 4 - 95-100 100 No. 8 75-100 75-90 95-100 No. 16 - 55-75 75-95 No. 30 - 30-50 35-70 No. 50 - 10-25 5-35 No. 100 - 2-10 0-10 No. 200 0-8 0-5 0-5 Tests Test Method Requirements Organic Impurities ASTM C 40 Satisfactory Mortar Strength Relative To Ottawa Sand CA. 515 100 Min Sand Equivalent CA. 217 Individual Test Result 70 Min Average of Three Samples 75 Min Percent Clay, Silt, Loam ASTM C 117 3 Max Soundness5 CA. 214 10 Max

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