at a berth facility directly into vessel cannot get close shore. Coastal conditions may trucks. enough to site) to approach influence net drift of sand site within suitable distance for deposited on beach and pipelines and pumping distribute it in other places. equipment, and/or offloading Depending on type of erosion of material at berth/wharves to control/shore protection being containment facilities. undertaken, project may simply be a one off beach fill or construction of embankments using hard material. Sandy sediments pumped are Dredge vessel must be Coastal conditions will affect, Spills during works, turbidity BEACH NOURISHMENT pumped either directly from chosen with suitable draft and delay and pose risk to plumes. Project not successful dredger site while dredge is manoeuvrability (many unloading and/or pumping due to wave action removing active or delivered to site by harbours very shallow and operations of material to deposited sediments. barge. If material may need to vessel cannot get close shore. be double handled and enough to site) to approach pumped to shore then loaded site within suitable distance for onto trucks. pipelines and pumping equipment, and/or offloading of material at berth/wharves to
at a berth facility directly into trucks. vessel cannot get close enough to site) to approach site within suitable distance for pipelines and pumping equipment, and/or offloading of material at berth/wharves to containment facilities. shore. Coastal conditions may influence net drift of sand deposited on beach and distribute it in other places. Depending on type of erosion control/shore protection being undertaken, project may simply be a one off beach fill or construction of embankments using hard material. BEACH NOURISHMENT Sandy sediments pumped are pumped either directly from dredger site while dredge is active or delivered to site by barge. If material may need to be double handled and pumped to shore then loaded onto trucks. Dredge vessel must be chosen with suitable draft and manoeuvrability (many harbours very shallow and vessel cannot get close enough to site) to approach site within suitable distance for pipelines and pumping equipment, and/or offloading of material at berth/wharves to Coastal conditions will affect, delay and pose risk to unloading and/or pumping operations of material to shore. Spills during works, turbidity plumes. Project not successful due to wave action removing deposited sediments.
gbr-dredge-material-management-appendixa.docx