A targeted coastal economics (cost benefit) assessment is underway as part of the MHL coastal engineering project. Consultation for this phase of the project has now concluded. Terrigal Lagoon sits directly behind Wamberal Beach and currently drains into the sea just to the south of the slipping houses. Sand nourishment requirements, resources and cost estimates are being looked at through the MHL study. Any long-term solution must be technically feasible, legally permissible, environmentally and socially acceptable and financially viable. The current coastal zone management plan for the Wamberal beachfront (and other coastal areas) is the Gosford Beaches Coastal Zone Management Plan. However, the key beneficiaries (i.e. The scope of the Taskforce is ‘advisory’ in nature. The coastal engineering and economics study underway is being co-funded (50:50) through the NSW Coastal and Estuaries Grants Program. sea level rise). Your attention is drawn to the provisions of the Government Information (Public Access) Act 2009 which allows for possible access to certain public and personal documentation. Wamberal Beach has a long history of coastal erosion, with beachside infrastructure exposed to impacts from coastal storms. The placement method is somewhat dependant on the method of how the sand is extracted elsewhere and transported to the beach. Wamberal Beach Terminal Protection and Sand Nourishment - Investigation and Concept Design This project is currently open for consultation. Most recently, Council investigated the erosion issue and what to do about it, through a Coastal Hazard Definition Study (CHDS, 2015), a Coastal Zone Management Study (CZMS, 2017) and the preparation of a Coastal Zone Management Plan (CZMP, 2017). There are many steps to work through before a long-term solution can be implemented at Wamberal Beach. The Gosford Beaches Coastal Zone Management Plan (CZMP) contains an action to progress a long-term solution for Wamberal Beach erosion. A report says a trade-off of protecting about 60 beachfront properties with a seawall would be a potential drop in visitors due to loss of the beach. On public land or private land? In May this year, Central Coast council commissioned Manly Hydraulic Laboratory to design a concept plan for a seawall solution. Related Videos. Sand nourishment involves placement of sand on a beach to combat against erosion and improve beach amenity. The beach at Wamberal was vulnerable to erosion long before the first homes were built. There is no guarantee that all the factors required to facilitate the seawall and sand nourishment solution will be satisfied. Who decides if the proposed terminal protection structure (seawall) and sand nourishment works program is delivered? This is because all of the seawall options would result in the loss of beach areas, and without sand replenishment the beach would quickly disappear, with significant costs to the local tourism industry. Report raises concerns around seawalls’ cost and effectiveness as low pressure system to batter NSW coastline with high tides and huge waves, First published on Mon 27 Jul 2020 01.08 EDT. The preferred long-term solution for Wamberal Beach includes a sand nourishment program to ensure long-term outcomes for Wamberal Beach. Who recommended a terminal protection structure (seawall) and sand nourishment for Wamberal Beach? This coastal engineering and economics study will ensure Council progresses the Wamberal Beach based actions in the CZMP. Against the tide: storm-battered residents cling to beachfront homes on Australian east coast, NSW Central Coast houses partially collapse after beach erosion caused by swells. speaking with project staff and coastal experts, at a community drop-in information sessions, seeking your feedback on the draft concept designs developed. Seawalls on open coast environments, like Wamberal Beach, typically have an initial design life of 50 years. It's a great beach to go to if you want to break away from the hustle and bustle of Terrigal. The Wamberal Terminal Protection Working Group was established in November 2017 to bring together all the stakeholders to progress discussion relation to coastal erosion at Wamberal Beach - representatives are Council staff, Department of Planning and … Coastal Zone Management Plans (CZMPs) identify coastal management issues and the actions required to address these issues. At this stage, concept designs for a terminal protection structure (seawall) and sand nourishment solution are being worked through. The management of coastal erosion by Central Coast Council is guided by the management actions within the Certified Gosford Open Beaches Coastal Zone Management Plan 2017 (including the Emergency Action Sub-Plan for Wamberal). Replacing the ad hoc coastal protection works, with a properly designed and constructed seawall that improves beach access and amenity is one of several broader community benefits being looked at. Where will the terminal protection structure (seawall) be located? Council understands that the best coastal erosion management solutions are developed when state and local governments, residents and the broader community work together. Following the July 2020 storm event which saw the emergency response place 2,400 tonnes of large rocks, over 2,000 tonnes of rock bags and 4,000 tonnes of sand along Wamberal Beach, the NSW Government Wamberal Seawall Advisory Taskforce was set up to provide technical advice and assistance to Council in progressing a long-term solution for Wamberal. view the frequently asked questions available below, TW11:  Terminal protection- Council to action review, design and funding of terminal protection structure for Wamberal, TW14:  Investigation of sources of sand and determination of the feasibility of beach nourishment for Wamberal Beach. Residents from Wamberal Beach on the NSW Central Coast have been evacuted as homes collapse due to severe erosion of sand dunes. These two beaches are located near Gosford, 80 kilometres north of Sydney. Instead it continued to approve development, requiring new homes to have deep piles into the sand. Did you know that ad hoc protection works have been placed at Wamberal Beach for many decades? It found that without a wall, 82 properties in the study area are likely to be affected by coastal processes over a 20-year timeframe, and 92 properties over 50 years. The Gosford Beaches Coastal Zone Management Plan (CZMP) outlines a terminal protection structure (seawall) and sand nourishment as the preferred course of action for managing identified coastal hazard threats at Wamberal Beach. The beach at Wamberal was vulnerable to erosion long before the homes, the homeowners, and even before their ancestors first turned up. Wamberal Beach erosion following this week's storms. Funding however could not be secured and the approved protection works did not progress further. These questions include: A funding model is yet to be determined. It's also famous for its epic erosion, which has been happening for decades. We will be seeking the communities experience and input again through the current MHL coastal engineering and economics study that is underway. Mr Persson said he had been administrator for three councils with significant coastal erosion issues, however none were as great as the problems at Wamberal. At that stage the council could have bought back properties. Wamberal Beach is the worst-hit area, with 66 homes declared “at-risk”. Four years later in June 1978, beach and dune erosion attributed to an intense rip cell undermined and destroyed two houses at Wamberal (Plate 1). This funding would be the catalyst to really tackle the complexity of erosion at Wamberal Beach. The beach at Wamberal was vulnerable to erosion long before the first homes were built. “a terminal protection structure in the nature of a buried rock revetment is to be designed and constructed to the satisfaction of Council and NSW Public Works, such construction to occur as soon as practicable and in an orderly, co-ordinated manner”. A ‘Seabee’ seawall, spanning lagoon to lagoon, was designed and modelled in detail. You can get involved now by: The concept designs will then be placed on public exhibition providing an additional opportunity for the community to provide feedback. Sand can be delivered to the dry beach face or placed underwater in the surf zone. In a Facebook post, Terrigal Fire and Rescue said the homes were at "significant risk of structural collapse due to beach erosion." As the Central Coast of NSW braces for another lashing today, the state government is still sitting on another report by the NSW coastal council, commissioned by the local government minister, Shelley Hancock, which looks at the vexed problems of seawalls and coastal erosion in the state. What is the role of the Wamberal Seawall Advisory Taskforce? It found that none of the engineering options considered provided a net public benefit for the local community. There are many different factors that determine if a seawall structure will interact with waves and the beach. (9News) Related. The Gosford Beaches CZMP outlines actions to address the erosion risks at Wamberal Beach. 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