Surface sandy sediments may have No known industries locally that would Minimal, although sediments Dependent upon volumes CONSTRUCTION MATERIAL some value as a construction require sandy material with some silt must first be dewatered, involved. Lack of general material (most likely low grade, due content. General lack of available land to which would result in facilities to dewater and store to the fine to medium grain size). store large amounts of material on. A variety significant impacts to clean sands. Sediments with high silt content of beach topographies can be addressed terrestrial ecology due to lack would not be suitable. May only be through appropriate engineering. Sediments of suitable land and clearing feasible for a relatively a small would need to be dewatered first, with little required/impacts on sensitive portion of the dredged material. flat spare land available. wetlands. PARKS and The material may be suitable for Drying ponds required. Most of the land at Significant impacts on No facilities in place currently. RECREATION parks and recreational purposes, Abbot Point is constrained due to terrestrial environmental Transport of dried material, but would need to be dried out first. environmental values and existing or values to clear sufficient land once created would be difficult The material is not contaminated proposed uses. Sediments would need to be to dry material prior to by road, would involve large and would not need further dewatered first, with little flat spare land dredging. Ongoing amounts of rehandling and processing other than some liming available. discharges of waste water truck movements. Does not to reduce minor ASS levels as during works as part of the de appear to be spare determined by testing. Salt content watering process. recreational land in the area may pose problems for use in requiring clean fill. revegetation. The material is not suitable due to Drying ponds required. Most of the land at Significant impacts on No facilities in place currently. its salt content. Bowen region Abbot Point is constrained due to terrestrial environmental Transport of dried material, generally has agricultural soils of a environmental values and existing or values to clear sufficient land once created would be difficult better quality than dredged material proposed uses. to dry material prior to by road, would involve large (lack of demand for material). The dredging. Ongoing amounts of rehandling and material would require a significant discharges of waste water truck movements. Does not reduction in its salt content for use during works as part of the de appear to be agricultural land
CONSTRUCTION MATERIAL Surface sandy sediments may have some value as a construction material (most likely low grade, due to the fine to medium grain size). Sediments with high silt content would not be suitable. May only be feasible for a relatively a small portion of the dredged material. No known industries locally that would require sandy material with some silt content. General lack of available land to store large amounts of material on. A variety of beach topographies can be addressed through appropriate engineering. Sediments would need to be dewatered first, with little flat spare land available. Minimal, although sediments must first be dewatered, which would result in significant impacts to terrestrial ecology due to lack of suitable land and clearing required/impacts on sensitive wetlands. Dependent upon volumes involved. Lack of general facilities to dewater and store clean sands. PARKS and RECREATION The material may be suitable for parks and recreational purposes, but would need to be dried out first. The material is not contaminated and would not need further processing other than some liming to reduce minor ASS levels as determined by testing. Salt content may pose problems for use in revegetation. Drying ponds required. Most of the land at Abbot Point is constrained due to environmental values and existing or proposed uses. Sediments would need to be dewatered first, with little flat spare land available. Significant impacts on terrestrial environmental values to clear sufficient land to dry material prior to dredging. Ongoing discharges of waste water during works as part of the de watering process. No facilities in place currently. Transport of dried material, once created would be difficult by road, would involve large amounts of rehandling and truck movements. Does not appear to be spare recreational land in the area requiring clean fill. The material is not suitable due to its salt content. Bowen region generally has agricultural soils of a better quality than dredged material (lack of demand for material). The material would require a significant reduction in its salt content for use Drying ponds required. Most of the land at Abbot Point is constrained due to environmental values and existing or proposed uses. Significant impacts on terrestrial environmental values to clear sufficient land to dry material prior to dredging. Ongoing discharges of waste water during works as part of the de No facilities in place currently. Transport of dried material, once created would be difficult by road, would involve large amounts of rehandling and truck movements. Does not appear to be agricultural land
gbr-dredge-material-management-appendixa.docx