MINE DEWATERING AND PRESSURIZATION

 Leggette, Brashears & Graham, Inc. (LBG) has led the ground-water profession in providing comprehensive hydrogeologic and dewatering consulting services to mining clients worldwide since 1944. The firm has maintained state-of-the-art expertise in the areas of ground-water movement, modeling, contamination and utilization. We have been engaged in some of North America's most challenging mine-dewatering projects, i.e., Alberta tar sands, the Carlin gold fields and the southeastern phosphate deposits.

Our areas of mine dewatering & depressurization expertise:

Quantifying and Managing Dewatering Rates Layout of Drainage Galleries or Drainholes Design of Dewatering and Supply Wells Design and Operation of Ground-Water Monitoring and Remediation Systems

Feasibility Analysis of Mine-Water Disposal Options Providing Leadership and Technical Support for Development of Environmental Impact Statements Environmental Impact Assessments Mine-Waste Impact Assessments and Management