Kolb Grading was awarded site work as a subcontractor for the 68 MW Vandalia solar project in Pike County, Missouri, for EDF Renewables and Ameren. Ameren expects the facility to generate enough energy to power more than 9,800 homes a year.
Across 420 acres, Kolb moved 147,560 cubic yards of cut and fill, removed and replaced 172,400 cubic yards of topsoil, and built 34,917 square yards of access roads plus a parking and laydown yard. The scope also included 1,600 feet of box culverts and pipe, bore pit excavation, Flexamat and bonded fiber matrix slope protection, 392 acres of seeding, and six MoDOT construction entrances.
Scope of Work
- 420-acre site
- 23,600 sy parking and laydown yard
- 172,400 cy topsoil removal and replacement
- 147,560 cy grading cut and fill
- 21,900 lf silt fence installation
- 34,917 sy access road construction
- 56,056 sf Flexamat
- 19,251 sy bonded fiber matrix
- 392 acres of cover crop and array seeding
- 1,600 lf box culverts and pipe installation
- 12,600 cf bore pit excavation
- 6 MoDOT construction entrances

