What is an Asphalt Concrete Overlay?
An asphalt concrete overlay is asphalt concrete placed on the roadway approximately 0.15′ thick. This treatment is designed as a structural improvement to the roadway. Asphalt concrete overlays with proper preventive maintenance strategies will provide approximately 20 years to the serviceable life of the roadway. When does the County perform Street Tree Maintenance? Street tree maintenance includes tree trimming, concrete repairs, tree complaint investigation, stump grinding, tree removal, tree planting and watering. There are approximately 21,000 street trees countywide, requiring maintenance. Tree trimming occurs in the Urban Forest, and on rural roadsides. In the urban setting, trees are pruned in an attempt to provide a balanced and standard look to the designated street trees in the parkway strip. Trees are also trimmed when necessary prior to resurfacing operations and other maintenance activities. Trimming is also done in rural and urban areas to insure sight distance, and to d
