construction material. Capital residential purposes, conservation and terrestrial ecology due to lack equipment. dredging material may need further cultural heritage management, forestry of suitable land and clearing investigation for this purpose if the purposes or mixed agricultural purposes. required. High use of water sand content is high. Accordingly, establishment of a spoil and discharge of waste water processing area is highly constrained due to is sands needs to be washed. a lack of available land and a growing city, reliant on tourism. Drying times in the wet tropics would also be highly constrained and larger areas would therefore be required. PARKS and The material may be suitable for Dredged material would first need to be Significant impacts on The material would need RECREATION parks and recreational purposes, dewatered and treated prior to use as fill in terrestrial environmental dewatering, processing and but would need to be dried out first. parks and recreational facilities. There may values to clear sufficient land potential treatment of reduce Due to the high plasticity, material is be the opportunity to use the material for the to dry (and treat if needed) salt content. Large facility unlikely to be able to support new upgrade/redevelopment of the Cairns the material . Ongoing required and machinery for significant infrastructure. Esplanade for landscaping purposes, discharges of waste water loading and unloading of however, the constraint is finding a suitable during works as part of the de material at recreation site. area for the drying out of the material. Most watering process. land in the vicinity of the port is used for high density residential purposes, conservation and cultural heritage management, forestry purposes or mixed agricultural purposes. Drying times in the wet tropics would also be highly constrained and larger areas would therefore be required. The material is not suitable due to Dredged material would first need to be Significant impacts on No facilities in place currently.
construction material. Capital dredging material may need further investigation for this purpose if the sand content is high. residential purposes, conservation and cultural heritage management, forestry purposes or mixed agricultural purposes. Accordingly, establishment of a spoil processing area is highly constrained due to a lack of available land and a growing city, reliant on tourism. Drying times in the wet tropics would also be highly constrained and larger areas would therefore be required. terrestrial ecology due to lack of suitable land and clearing required. High use of water and discharge of waste water is sands needs to be washed. equipment. PARKS and RECREATION The material may be suitable for parks and recreational purposes, but would need to be dried out first. Due to the high plasticity, material is unlikely to be able to support significant infrastructure. Dredged material would first need to be dewatered and treated prior to use as fill in parks and recreational facilities. There may be the opportunity to use the material for the new upgrade/redevelopment of the Cairns Esplanade for landscaping purposes, however, the constraint is finding a suitable area for the drying out of the material. Most land in the vicinity of the port is used for high density residential purposes, conservation and cultural heritage management, forestry purposes or mixed agricultural purposes. Drying times in the wet tropics would also be highly constrained and larger areas would therefore be required. Significant impacts on terrestrial environmental values to clear sufficient land to dry (and treat if needed) the material . Ongoing discharges of waste water during works as part of the de watering process. The material would need dewatering, processing and potential treatment of reduce salt content. Large facility required and machinery for loading and unloading of material at recreation site. The material is not suitable due to Dredged material would first need to be Significant impacts on No facilities in place currently.
gbr-dredge-material-management-appendixa.docx