On the 800-acre Lakeside 370 site off Highway 370 in St. Peters, Missouri, Kolb Grading executed the wetlands and water-management scope in accordance with the project’s environmental plan, working with Swallowtail. Kolb moved 6 million cubic yards of dirt to create a 140-acre lake, placed 3 million cubic yards of fill for a 4-mile levee, built a reverse filter system with over 100,000 tons of shot rock and liner, jet-grouted an existing railroad, and installed 38 relief wells.
Scope of Work
- Wetland protection; 6 million cy excavation; 140-acre recreational lake
- Placed 3 million cy of fill to create a 4-mile levee
- Access roads constructed using 11,000 tons of crushed aggregate
- Placed over 100,000 tons of shot rock and liner in canals, creating a reverse filter system
- Jet grouting performed in existing railroad
- Installed 38 relief wells