13.2 The Wallis Lake Estuary Management Committee - Great Lakes ...

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Wallis Lake Estuary Management Plan Wallamba River Cut Island Tern Island Miles Island Cockatoo Island Mather Island Godwin Island Wallis Island Hadleys Island Tonys Point Island Regatta Island Big Island [Figure 4.12: Areas on islands experiencing considerable erosion] 66
Wallis Lake Estuary Management Plan Management Objective Effectively control and mitigate erosion of foreshore reserves; Pipers Creek foreshore reserve, Rest Point Road reserve, John Wright Memorial Park, Darawakh Reserve, Oxley Park M.3 Management Area A, C, D Action No M.3.1 M.3.2 M.3.3 M.3.4 Action Conduct a bank assessment of foreshore reserves and identify and prioritise bank protection structures in need of repair, and areas in need of further protection from erosion Conduct repairs on retaining walls identified in M.3.1, and consider constructing new bank protection structures where necessary as identified in M.3.1 Formalise access areas to the estuary at Rest Point Road reserve by constructing at least two sets of steps leading to the water and transplant Juncas sp (Tussock Rush) to stabilise the surrounding bank Formalise an access area to the estuary at Darawakh reserve ( ie. platform) and encourage revegetation and bank protection of the surrounding foreshore area by mangroves and casuarinas Indicative Priority Responsibilities Progress Cost $15,000 Medium (D3) GLC TBD Medium (D3) GLC $20,000 High (D2) GLC $50,000 High (D2) GLC, Waterways, DIPNR Comments Erosion is still active at some foreshore reserves where retaining walls have been constructed. In addition to being a source of sediment to the lake, this has lead to undercutting of the retaining walls and has caused footpaths to slump creating trip hazards. For Darawakh and Rest Point Road reserves, formalising access points and revegetation of the foreshore is the most appropriate method to stabilise the bank and prevent further erosion. It is recommended that signage be constructed at these areas outlining the objectives of the revegetation efforts and requesting that people avoid trampling the newly planted vegetation. The recommended works for Darawakh reserve will prevent boats from being launched at the area, which is contributing further to erosion, as there is no formal boat launching facility at the reserve. If a platform is considered for Darawakh Reserve, NSW DPI and the Wallis Lake Fish Coop should be carefully consulted to ensure that existing fishing grounds are not adversely affected. 67
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13.2 The Wallis Lake Estuary Management Committee - Great Lakes ...

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