1007.1 Scope. This specification covers aggregate to be used for base.
1007.2 Type 1 Aggregate.
1007.2.1 Type 1 aggregate for base shall consist of crushed stone, sand and gravel or reclaimed asphalt or
concrete. The aggregate shall not contain more than 15 percent deleterious rock and shale. The fraction passing No. 40 sieve shall have a maximum plasticity index of six. Any sand, silt and clay and any deleterious rock and shale shall be uniformly distributed throughout the material.
1007.2.2 The aggregate shall be in accordance with the following gradation requirements:
Sieve Percent by Weight Passing 1-inch 100 Passing 1/2-inch 60-90 Passing No. 4 35-60 Passing No. 30 10-35
1007.3 Type 5 Aggregate.
1007.3.1 Type 5 aggregate for base shall consist of crushed stone, sand and gravel or reclaimed asphalt or
concrete. The aggregate shall not contain more than 15 percent deleterious rock and shale. The fraction passing the No. 40 sieve shall have a plasticity index not to exceed six. Any sand, silt and clay, and any deleterious rock and shale shall be uniformly distributed throughout the material.
1007.3.2 Type 5 aggregate shall be in accordance with the following gradation requirements:
Sieve Percent by Weight Passing 1-inch 100 Passing 1/2-inch 60-90 Passing No. 4 35-60 Passing No. 30 10-35 Passing No. 200 0-15
1007.4 Type 7 Aggregate.
1007.4.1 Type 7 aggregate for base shall consist of crushed stone, sand and gravel, or reclaimed asphalt or
concrete. The aggregate shall not contain more than 15 percent deleterious rock and shale. The fraction passing the No. 40 sieve shall have a plasticity index not to exceed six. Any sand, silt and clay, and any deleterious rock and shale shall be uniformly distributed throughout the material.
1007.4.2 Type 7 aggregate shall be in accordance with the following gradation requirements:
Sieve Percent by Weight Passing 1 1/2-inch 100 Passing 1-inch 70-100 Passing No. 8 15-50 Passing No. 200 0-12
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