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Product Analysis Class II Base Rock
The Z-Best 3/4" Class II Base Rock is produced from 100 percent crushed concrete and asphalt concrete products. It is designed to form a base for roads, parking lots, driveways and sidewalks. This Base Rock may also be used as sub-base for building foundations. Z-Best Class II Base Rock meets the specifications of the State of California Standard Specifications, Section 26 with the exception of deleterious materials.
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SIEVE ANALYSIS
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INCHES
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MM / UM
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GRADING
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CALTRANS SECTION 26
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| 1" | 25 mm | 100 | 100 |
| 3/4" | 19 mm | 98 | 90 - 100 |
| #4 | 4.75 mm | 45 | 35 - 60 |
| #30 | 600 um | 15 | 10 - 30 |
| #200 | 75 um | 3.7 | 3 - 9 |
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ASTM SPECIFICATIONS
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| Sand Equivalent | 55 |
| "R" Value | 79 |
| Coarse Durability | 60 |
| Fine Durability | 38 |