Criteria

Sub Criteria

Topographical conditions

Landform, Dump capacity, Dump area, Haulage distance

Hydrology and climate

Precipitation, Windspeed and direction, Acid mine drainage (AMD), Hydrologic regime, Surface water runoff and Quality downstream condition.

Hydrogeology

Groundwater quality, Groundwater table, Drainage rate

Geology and Geotechnology

Foundation condition, Seepage and porosity, Active faulting, Waste material strength, Repose angle of waste material, Earthquake/blasting vibration

Technical aspects

Mining method, Final pit limit, Haulage system, Waste rock volume

Environmental aspects

Chemical and physical properties of waste, Filtration effects of surface and groundwater, Reclamation regulations, and biotypes.

Economical features

Capital and operating costs, Closure costs, Economic risks.