Market
MINING
Waste Dump Expansion
R&K was contracted by Mississippi Lime Company in Ste. Genevieve, MO to expand their surface waste dump operation. The project entailed mass earthwork including construction of a 20 ft. berm and a clay cap of their existing surface dump. Over 100,000 yards of dirt were hauled and placed. Additional scope of work included: Clearing & Grubbing, Culvert Pipe Extension, Seed & Straw.
Sweetwater Dam Expansion
R&K was contracted to expand a tailings dam for the Sweetwater Mine. The Sweetwater Mine is located outside of Ellington, MO and has been in operation for more than 50 years as part of the Southeast Missouri (SEMO) Lead District. The project consisted of moving 560,000+ CY of material and raising the existing 3,000’ tailings dam by over 20 ft. The impoundment serves as the primary dam embankment for the mine’s 600-acre tailings pond. R&K’s survey and design team worked continually with the owner’s representative making value-engineering proposals and changes to the original design.
Old Castle – APAC
R&K Excavation was chosen at the contractor by Old Castle Materials-APAC to perform drilling and overburden removal scope at locations in the KC area.
Three Rivers Quarry
R&K Excavation was awarded the contract for the Martin Marietta Aggregates, Three Rivers Quarry expansion project. Earthmoving on the project consisted of 670,000 bank cubic yards (bcy) of stockpiled overburden removed and placed at a new dumpsite. 1.2 million bcy of overburden rock will be drilled, blasted and hauled to construct a new road for accessing the dumpsite.
Buzzi Unicem – River Cement
R&K Excavation completed rock drilling and blasting for a new access road. Drilling and blasting of over 25,000 cubic yards of rock was completed with the main road still in use.