Specifications include, but are not limited to: When a concrete batch is 60% or less of the rated capacity of the drum on a central plant, drum on a truck mixer, or agitator; the Contractor may pre coat the drum or agitator or incorporate additional cementitious materials to the batch.; When a concrete batch is 60% or less of the rated capacity of the drum on a central plant, drum on a truck mixer, or agitator; the Contractor may pre coat the drum or agitator or incorporate additional cementitious materials to the batch.; 1. Major Grading * Typically 150,000 CuYd or more. Involves use of scrapers and support equipment (loaders, rollers, motor graders, dozers, haul trucks, etc.); 2. Minor Grading * Typically 150,000 CuYd or less. Involves use of loaders, excavators, rollers, motor graders, dozers, haul trucks, etc.; 3. Portland Cement Concrete Paving * Mainline PCC Paving and PCC Overlays; 4. Portland Cement Concrete Repair * Spall Repair, Joint Repair, Pavement Grinding, Dowel Bar and Tie Bar Retrofits; 5. Asphalt Concrete Pavement and Microsurfacing * Mainline AC Paving, AC Resurfacing, and Microsurfacing; 6. Asphalt Surface Treatment and Asphalt Crack Sealing * Chip Seals, Sand Seals, Joint Leveling, Blotter, Rout and Seal; 7. New Bridge Construction * Bridges with a cast in place deck (Prestressed Concrete Girder, Steel Girder, Continuous Concrete Slab, Truss); 8. Bridge Rehabilitation * Deck Overlays, Fatigue Retrofit, Steel and Concrete Repair, Rail Retrofit; 9. Minor Structure Construction * Cast in Place Box Culverts, Precast Multi-Beam Deck Bridges, Mechanically Stabilized Earth Large Panel Retaining Walls; 10. Lighting and Signals
