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April 8, 2019, 8:00 AM - 12:00 PM
This course addresses basic maintenance techniques for unpaved and gravel roads. Topics include the importance of good drainage, surface aggregate and dust control materials, and operational techniques. These techniques include blading, reshaping, regraveling and dust control. Driving Surface Aggregate (DSA) specifications and use are reviewed. Factors used to determine when to upgrade a gravel road by paving or seal coating the roadway are discussed.
April 8, 2019, 6:00 PM - 7:00 PM