construction of geomembrane pool in open pit mine

backfilling barrier construction containment costeffective design dewatering drainage engineering environmental protection erosion control fabrication geology geomembrane geosynthetic geotechnical geotextile hdpe impermeable installation leachate liner maintenance mining monitoring open pit pvc project management pumping quality regulations rehabilitation risk assessment safety sealing sediment slurry stability sustainability tailings water waterproofing bulldozer compaction site dump truck earthworks excavation excavator pool