Cost Considerations OPTIONS Construction costs Transportation costs On-going management costs Land acquisition, bund construction, Dredge/barge/pumping costs. Handling Security, fence maintenance, long-term LAND RECLAMATION walls, land pipelines and drainage and trucking costs if material not pumped, alienation of site (drying of material can (sub-tidal creation of systems and ponds for discharge of tail potentially causeway/jetty costs for take years), potentially ongoing land) water, fencing, road access to unloading. contamination/ASS management, reclamation ponds, chemical environmental monitoring. decontamination costs, berthing facilities (depending on dredger used). Drying ponds, bund walls, fencing, High transportation costs due to distance Maintenance of drying sites, infrastructure CONSTRUCTION FILL pipelines and pumping equipment, to mine site. Cost for dredge vessels for processing storing and transporting fill. (supra-tidal) drainage systems and discharge ponds at and/or barges to transport material to drying site. Storage facilities and drying site. Loading and unloading machinery for loading of material, road machinery, trucks/train for transporting fill, and/or rail infrastructure for access to site, machinery for unloading equipment at fill machinery and unloading equipment, site. storage facilities at offloading site (e.g. additional infrastructure at site for unloading material). Drying ponds, bund walls, fencing, High transportation costs due to distance Maintenance of drying sites facilities, MINE REHABILITATION pipelines and pumping equipment, to mine site. Cost for dredge vessels infrastructure for processing storing and drainage systems and discharge ponds at and/or barges to transport material to transporting fill. drying site. Storage facilities and drying site. Loading and unloading machinery for loading of material, road machinery, trucks/train for transporting fill,
OPTIONS Cost Considerations Construction costs Transportation costs On-going management costs LAND RECLAMATION (sub-tidal creation of land) Land acquisition, bund construction, walls, land pipelines and drainage systems and ponds for discharge of tail water, fencing, road access to reclamation ponds, chemical decontamination costs, berthing facilities (depending on dredger used). Dredge/barge/pumping costs. Handling and trucking costs if material not pumped, potentially causeway/jetty costs for unloading. Security, fence maintenance, long-term alienation of site (drying of material can take years), potentially ongoing contamination/ASS management, environmental monitoring. CONSTRUCTION FILL (supra-tidal) Drying ponds, bund walls, fencing, pipelines and pumping equipment, drainage systems and discharge ponds at drying site. Storage facilities and machinery for loading of material, road and/or rail infrastructure for access to site, machinery and unloading equipment, storage facilities at offloading site (e.g. additional infrastructure at site for unloading material). High transportation costs due to distance to mine site. Cost for dredge vessels and/or barges to transport material to drying site. Loading and unloading machinery, trucks/train for transporting fill, machinery for unloading equipment at fill site. Maintenance of drying sites, infrastructure for processing storing and transporting fill. MINE REHABILITATION Drying ponds, bund walls, fencing, pipelines and pumping equipment, drainage systems and discharge ponds at drying site. Storage facilities and machinery for loading of material, road High transportation costs due to distance to mine site. Cost for dredge vessels and/or barges to transport material to drying site. Loading and unloading machinery, trucks/train for transporting fill, Maintenance of drying sites facilities, infrastructure for processing storing and transporting fill.
gbr-dredge-material-management-appendixa.docx