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.