Specifications include, but are not limited to: In general, the work involves but is not limited to, clearing and grubbing, debris removal, neutralization of acidic water, impoundment discharge, excavation, terrace construction, tiling, rip rap placement, soil amendments, erosion stabilization, and temporary seeding. The project includes the following approximate quantities of work: 162 acres of clearing and grubbing, 1,340,000 cubic yards of excavation, 1,700 tons of Class E Revetment, 23,000 feet of terraces, 9,400 feet of drain pipe, 155 acres of temporary seeding, and other appurtenant work normally associated with a coal mine reclamation project. The cost of construction for this project is estimated at $4.7 to $5.2 million dollars.