Kolb grading, LLC worked as a subcontractor on Route 100 near Washington, Missouri. We performed clearing Class A and C excavation and utility installation.
- Furnished 11,000 sy of Rock Base Material from Drilling and Blasting
- 530,598 cy of Class A Excavation
- 313,827 cy of Class C Excavation
- Placed 213,178 sy of Rock Base 18” Thick
- Class B Concrete Culverts
- Installed Concrete Pipe and Culverts Ranging from 12’ to 36”