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Projects ranging from road repair, ranch roads, small driveways, aspalt repair and county roads. Gravel Road Construction. Although gravel road construction can be done anytime on any surface, a smooth, longlasting roadway requires the right process. Like any other building project, a gravel road starts with the foundation.
State Mining and Geology Board (SMGB), after receiving classification information from the State Geologist, to designate lands containing mineral deposits of regional or statewide significance. Construction aggregate was selected by the SMGB to be the initial commodity targeted for classification
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"Aggregates" is a general term for rocks and minerals used in a variety of industries for a range of purposes. Aggregate is classified by particle size and consistency. There are two basic types: sand and gravel (sometimes called natural stone) and crushed stone .
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Quality construction is fundamental to meeting the mission of the California Department of Transportation (Caltrans), and quality as surance is the primary means by which Caltrans ensures the quality of constructed highway projects. Quality assurance encompasses all materials and construction activities on a project and directly impacts the