Copperstone Mine Dewatering and Rehabilitation
Client: Kerr Mines
Location: United States

In 2016, and continuing into 2017, MES was engaged by Kerr Mines to assist with the re-opening of the Copperstone mine. MES dewatered and rehabilitated approximately 5,381 lineal feet (Rehab included rebolting, draining loose rock from mesh, cleanup of fallen material, installation of steel sets, etc. Caught-up 4 areas of substantial fallout to prevent cave-ins).

MES shop reconditioned and furnished a 4160-volt power center for a surface dewatering pump and re-established underground electrical service to work areas. Other work included the removal of bushes/trees from the tailings pond, establishment of a discharge water system from the mine to the tailings pond above the pit, cleanup of surface/pit roads and laydowns, salvage of numerous fans, utilities, piping, ducting and electrical from old workings, constructed sump, personnel platform and overhead pump handling beam. As part of the start-up, MES eliminated many potential MSHA citations and hazards with preventive actions, signage, etc. and there were no MSHA or State of Arizona citations when the mine site was inspected.