Wetsuits may never be the same again. I have the mhl report but cannot find the link again. All the sand has moved south east where previously there were great rock lagoons there is now 100 metres of sand dunes. Mr Horton said current conditions have exposed a temporary rock bund that was put in place to protect the construction site, but it will be removed when works are complete. Here's a screengrab from the website about the proposed breakwall extension: It seems that the main concern about the extension is the interruption of the natural flow of sand onto Mooloolaba beach and hence increased erosion risk. She had reigned as Queen for 70 years. and the second last line of your article states- Compare their prediction of how it would look with the reality shown above.. https://www.eventbrite.com.au/e/climate-change-and-coastal-erosion-the-g GOR coastal erosion webinar link for today at 3pm for those interested. 2016 Collaroy seawall Concept Design Specs Probably not council's fault then, happy to blame the owners! Thats tens of thousands of homes). After five years and four contests, the performance level at Kelly's Hot Tub hasn't evolved but instead gone the other way. Photograph: Wendy Harmer Coastal municipalities have been tackling the problem with a suite of measures. "Protective works are a far preferable measure to a vertical seawall," he said. Posted the story from that link here. Just look at the surfcams tommorow morning, will be another case of ugly easterly that will make problems worse. The Collaroy Beach seawall project was put to the test for the first time today with the arrival of a moderate to large east-northeast groundswell from ex-Tropical Cyclone Seth, coinciding with a king tide. There is a common denominator here, "Coastal" engineers with a lack of knowledge and understanding of coastal processes. Not much wriggle room for negotiation, and in a volatile market owners are more liable to be offered (and it's an offer they can't refuse) recompense that sits at the lower end of the scale. It's important to also recognise, the wall is entirely on private land. Collaroy has a long history of property erosion, yet a century after it was first documented theres no consensus about how it should be managed. Pipeline specialist injured while duckdiving in heavy waves. These are the taxpayer funded grants that LGAs will apply for, to repair the wall. and the sick irony of the beach access sign detailing the seawall works with all "enquires to be made The exception of course is if youre a donor to the LNP then a $3M block of land can be sold for $30M!!! Be interesting to know whether the assumptions for the modelling included any information on the value of the beach to be lost, belly. https://www.acma.gov.au/zone-protect-sydney-submarine-cables, That makes sense Ben. The Local Government Act allows the council to set a special rate to pay for that. Moreover, the current DA makes no mention of sand nourishment from sand sourced elsewhere, such as deeper water offshore. Thanks BB. On top of this they have places sand band grounds out perpendicular to the sandunes. Embed Forecast. Zen, it looks like an absolute disaster but Im guessing its not so much about coastal erosion but more about tsunami mitigation?? Wow Zen saw those photo's , it's really sad that they couldn't come up with something else , which raises the question.what other alternatives are there?? Im presuming that sand delivery's from the lagoon will be an ongoing thing. High-quality Collaroy Wall Art designed and sold by artists. Interesting to see if the slowed (design of) sand migration has had any knock-on effect for the likes of Tallebudgera- Burleigh and beyond. Are the exposed quarried rocks part of the construction/ foundation or are they from pre existing efforts. At what point are they a write-off? brutus Collaroy was not a typical situation. It pisses me off that people wilfully or ignorantly choose to buy in areas that are not for purpose, enabled by the property industry and then scream out for taxpayer help when the inevitable disaster occurs. This is an example of the walls theyve been placing. Dont lynch me its only an idea. The seawall is protected from the direct onslaught of waves by rows of granite boulders which are reinforced every year to stop erosion. If they approached the landowners then the most they would be offered is market value. 1. South Narrabeen beach is now useless to anyone. Good point, Lilas, but I think the issues around hard structures and beach environments have been established for so long and are so well known in the coastal management field that it's taken as read. Your browser has JavaScript disabled. But obviously no owners want to give up tax free capital gains.. dunno has to be a solution that doesnt destroy the beach like collaroy or completely crush home owners, they arent all pricks. and who can afford to pay the rates and any rate increases due to sea wall construction costs, which will leave rate payers on low and middle incomes moving toward rather than away from poverty. On the release of his latest edit, R-Cal chats to Swellnet about love and other acrobatics. Isn't an extension to the Point Cartwright breakwall on the cards aa well? Hopefully there's someone with deep pockets able to go after the truth of the matter. Including the residents behind the great wall. Dates announced for Spencer Frost and Guy Williment's film shot in Russia's far east. There's no sense at all in building something like this from an engineering perspective. Check this out. Council and State Government contribute 10% each. Picture: Nearmap A subsequent image of Collaroy Beach from June 8, 2016. These seawalls are easy to design, and easy to construct. I can't believe that those structures have been built in 2021 and that the legislation still hasn't been amended to counter the property rights of the owners. The total contribution of both the Council and the State is $3.46 million, which is 20 percent of the total cost of construction. A sneaky second application, for the vertical wall was seen by very few. I do however feel there needs to be more separation regarding fact and opinion in your article. Dates announced for Spencer Frost and Guy Williment's film shot in Russia's far east. Took the words out of my mouth. That 3-4x the height of the curved revetment? https://www.planning.nsw.gov.au/Policy-and-Legislation/Coastal-and-marin "The scheme operates along the entire NSW coastal zone except for the Greater Sydney metropolitan area, identified as between Broken Bay (Central Coast) and the Minnamurra River (south of Shellharbour).". Went down for a look and its a fucken disgrace. Rad demo john interesting as Craig said to see the changes in shock waves returning seaward. Designed to democratise surfing, Tom Morey's invention became a specialised craft for riding treacherouswaves. Willi, how would easterlies impact the Great Ocean Road coast? Now a 7 metre-high, concrete, vertical seawall has been built in front of private properties on Collaroy/Narrabeen beach. Joint Venture adopts new name, Te Puna Aonui. Hows the Seawall holding up? They have just set a precedent for the whole east coast of poor me multi millionaire landowners to set up squeaky wheel collectives. I'm not entirely sure, but one of the reasons why an offshore reef structure hasn't been considered for Narrabeen may be because it's part of the Northern Sydney Protection Zone, hosting submarine cables that connect Australia to various parts of the Pacific (including Japan). You said "They get paid to do what they are told to do" Were they told told to design a system that would not work for the purpose and only exacerbate the problem? Five years ago, residents along Collaroy Beach watched helplessly as enormous waves smashed into their backyards, collapsing pools and patios of their multimillion-dollar waterfront properties. [Just like in Hawaii] Offshore reefs would be expensive , but we are already spending 100's of millions on bad solutions that actually cause more problems than they solve so money cannot be used as an excuse. Japan may be a perfect case study. We do, but unfortunately we also have a pervasive mindset in surfing that everything should stay the same as it was back in the good old days. The first application for a sloping structure was widely publicised and accepted by most who saw it. If you want to witness how to do irreparable damage to a coastline, look no further than Japan. Just last March of 2019, the Northern Beaches Council succeeded in convincing the State Government to chip in on the assistance package to be given to Collaroy residents for the construction of the sea wall. Their email is: [emailprotected]. Hear, hear! Bite the bullet and start buying the properties back and bulldozing them. Super difficult problem, maybe councils could buy beachfronts then lease back the properties. You got to have demand/competition in order for a buyback to increase value of supply. Having said that, nature usually finds a way to overcome most "permanent" human structures, and they often seem to forget that the wall isn't continuous.yet. Thanks heaps for the update Craig. Death of Her Majesty Queen Elizabeth II. nothing that a annual maintenance fee paid for by the taxpayer can't fix. Premium ad-free surfcams, dawn surf reports, and more had been lodged 18 months earlier in July 2018, http://www.irjes.com/Papers/vol6-issue10/F61012431.pdf. If anyone used it and saw the second DA let me know. "Environmental vandalism or gross negligence?". Building up during periods of low swell energy, while being transported into the surf zoneduring periods of high swell energy, acting as a buffer to the incoming surf. Sorry Peter but we can't just take you on your word for it. First completed by the French in 1735, the Pondicherry seawall reaches a height of 27 feet above sea level. Yep pretty significant increase in the height. If no acquisition or buyback is made, then good luck to the owners trying to sell these properties. Great article highlighting the competing interests of the natural environment and local councils (which are too easily manipulated by wealthy stakeholders). Really interesting [and sad] to see this story progress in real-time. The contractor is required to remove this temporary working platform and bund at the completion of the works, sieve the sand and remove all debris, and return the beach to its former state.. In a story on Northern Beaches Review, Bob Orth, who lives in one of the houses behind the seawall, said the seawall should inspire others to do likewise. @Tango So whats your thoughts about using tax payers $'s to buy back endangered properties from natural erosion and as I asked Zen.are there any solutions other than just moving people property back from the Coast? I think the wall is actually a good warning of exactly what governments mean by "adaptation and mitigation"..expensive projects for the construction industry rather than sound ecological management. And this is on a small, weak windswell from the south-east. However, the work then continued skyward with a seven metre vertical concrete wall on top of the foundations. For those who may not know, the private land issue is complicated in NSW in particular (less so in other states) by the existence of ambulatory land boundaries which are set at various levels of the tide eg mean high water. Its also been the focus point for opposition to coastal development; an abject lesson about what results from bad policy. Inevitable as the ocean winning, is a painted "cock and balls" on that wall. governments recently built a bunch of groynes around the Murray street area. Am I missing something with the job title there? Collaroy Seawall Detailed Survey for construction of a new seawall in highly sensitive erosion zone. Rise seems nearly double than the run. Normally large swells from the SW have very little affect on the beaches around here because the great ocean rd is comprised of Rocky headland after headland. Was the carpark damaged by the 2016 storms and if so-to what extent? Over the coming fortnight there's a couple more swell forecast from the east-northeast and that'll really put the structures to the test. Get access to long-range forecasts, hourly graphs and ad-free webcams. Old dude making a dash for it, budgie smugglers and a cricket cap. [ask GaryG] A few years on when I visited I suggested a stroll along the cliffs at the estuary and they replied that its to dangerous now as theres been heaps of erosion for some reason. 'This Pristine Beach Is One of Japans Last. This forms a foredune and a backdude. Collaroy's existing situation is precarious at best. Whether concrete castles or sand castles, buildings that close to a sand shoreline must be living on borrowed time. Northern beaches residents have been worried about how their beloved beach would fare when large swells and high tides hit the controversial Collaroy seawall. We need to get all the data and expert opinions out in the open before decisions are made. That's crazy stuff. My working assumption is that they have behaved unethically on this matter. Sounds like you are pretty deep in that world! https://www.sydneycoastalcouncils.com.au/sites/default/files/JRCorkill_A(2)_Prop_L_Rev_67-84.pdf, yes, Blindboy, I am guessing they had absolutely no input on the final [or initial] design what-so-ever as they were only used as a consulting service by the Coastal engineers. Collaroy homes along Pittwater Rd have been cordoned off today. Perhaps the omission was because in 2002, protestors, led by Brendan Donohoe and Surfrider Foundation founder Tom Kirsop, formed a "line in the sand" stretching from Collaroy to Narrabeen opposing the construction of any seawalls. It breaks my heart. The public should not suffer loss of amenity or pay the costs to protect it. If he is an expert and this is what he designed, then I shudder to even imagine what the non-expert coastal engineers would design. Was it some random guy off the street? This wicked problem is a result of intergenerational dumbness. Futile. https://www.smh.com.au/property/news/coastal-properties-at-highest-clima https://www.abc.net.au/news/2022-01-17/will-climate-change-put-an-end-to Kala Grace In Dramatic Rescue While Competing In Backdoor Shootout, 'Corners Of The Earth: Kamchatka' Tour Dates, Watch: Hossegor Super Session January 6th, Australian Designer To Launch Crescent Head Hotel Amid Local Development Concerns, Dead Marine Life Washes Onto South Oz Beaches After Flooding, Watch: Ryan Callinan // Beneath A Pear Tree, Watch: Cronulla's Jarvis Earle Wins World Junior Title. More than a year after severe storms damaged property in Collaroy, construction of a long-awaited sea wall is underway. They needed see this, but still probably wouldnt t have believed it. This seawall will not only protect our homes but also Pittwater Rd, and the many communication and public services installed under it, from inevitable future storm events. Indeed. Good balanced post tango. They can be excused as they thought theyd be informed before any such works took place, as per the 2016 Coastal Management Act. The Collaroy seawall was in part constructed after a significant storm event in 2016 eroded 50 metres along the Narrabeen and Collaroy shoreline, causing damage to waterside properties. Some investigative journalism required to obtain all the council documents around its approval process. Contrast man-made against a natural barrier like mangroves (apologies for the sound, not my video), Trees work well for preventing erosion ONLY when the wave power is very minimal. Such a shame that it's not like California or other US states where the owner has no right to protect their land from erosion etc. In the end it's all pretty simple though, as most beach erosion of consequence is caused by large/powerful waves. Their ultimate solution was a combination of 3 things- a rock boulder seawall buried in the dunes as a final line of defense in extreme erosion events to protect private properties behind (this seawall actually runs for the full extent of the Gold Coast nth beaches but is rarely seen as it is completely buried under dunes/vege), an offshore reef, also rock boulders, to attenuate wave energy under normal conditions thus widening the beach in its lee, and lastly- sand nourishment, adding more sand to the beach system. This has cut into the base of the dunes below the surf club. For the swellnet readers here's some background info, and here. There are some fed govt areas that listen to this thinking. In that regard it seems to have achieved its design objectives very nicely, and the sacrificing of the public beach (and public access/amenity) in front of it is just 'collateral damage'. However, a few queries regarding your post: "Sure if youve bought the last 5 years ignorance cant be an excuse" - why does five years give one grace? How many parts of the great ocean rd could have to close and the emergency that would lead to. These impacts would have been explicitly tied to that particular design option by the engineers and other specialists involved. 3) How much has Council spent on legal fees defending Land & Environment Court appeals related to seawalls since the 2016 storm? I am working on a gipa application to try and find out what community consultation they did for the second DA. I looked at the Bruun rule - i think it was roughly 10cm sea level rise = 1metre of beach vanishes? Fight the good fight mate. My comment was maybe too obscure but was meant to be sarcastic. Step 3: Calculate the number of pilings that will be required. Please include direct and indirect costs. heres a rad idea for you,dig canal from coast to central Australia which is considerably below sea level and flood the interior.could also be done in death valley USA.now that could be a wave pool!! In 1974I witnessed what cyclonic ocean power can do to ignorantly planned beach development 50 years on and a lot of sea miles under my belt. The GOR situation is far more complicated than Willi's well-intentioned advice makes out. The only way now is to harness the power of coastal construction science and engineering. The main issue is that the cables are protected in whatever is proposed. Between these three, you can protect any shore from water erosion. I will try and find some pics of my area. From the last set of minutes from the Wamberal Seawall advisory Taskforce Nov 18 2021. I asked a mate who works at MHL this exact question. The group aims to raise awareness of the impact that the building sector can have while pointing out that more drastic measures need to be taken, as most countries do not include full building. The point i guess im coming to is, and i know an old couple whose property is very exposed to this issue, who have lived there since 1960's and are now in their 80's and likley won't see the impeding issues in their lifetime - but really they have done nothing wrong, bought an old shack in a place they love when no one lived up here, I wouldnt say there are a lot of people left like that but there are a few I know up here a version of that and the whole "screw those rich pricks" mantra is just divisive. Everything else may go but that wall is here to stay. I recently tested an Open-Source Wave modeling software called "Celeris" and the result are really good although I didn't go too in-depth with it. there is no excuse for purchasing a property on the beach in the last 30 years let alone 5 without an inkling of understanding of the risks. Its no wonder the climate brigade aren't on board telling us all there garbage but erosion been around a tad longer than the 80s. These very costly bandaids never work and continue to fail while extending the problem to adjacent properties that don't have the wall. (9News) But the structure has divided locals, with many describing it as an eyesore, and there are concerns it may wipe out the beach entirely. Get Pro. With expected sea level rises obviosly making those matters worse - however there is some irony in the fact Gina Reinheart whose carbon footprint is horrendous, just bought the most exposed land in sunshine beach to these very issues - but im also stressed people like her etc will want to build sea walls down the track. I wouldnt have thought there would be much fetch? There's been a lot written about the challenges of the various adaptation options, including the purchase of private lands. Apologies for misreading you. They have just completed digging out a new path for the river to follow with excavators and every day Id watch the next morning after high tide their progress would seem effortless and the river would tend to follow the old direction. Will this mean sand depletion north and a build up south? property owners in Collaroy have seen the value of their asset increase by around 20-30% in the last 12 months alone. Action: Casey Johnston to forward initial site visit details to Taskforce members, noting there will be a further site visit as the project progresses". Has any one ever suggested an off shore reef, seems like a win-win or is the sea floor unsuitable? gsco, I'd have thought that the first hurdle for any enhancement - besides the environmental impacts - would be the issue of access and whether the investment creates something with the most benefit for the most people. They aint getting crushed. Should have taken the high road. Or as the comment above lists - quoted by Prof Short - not let the property developers and real estate industry interfere with good management strategy decades ago that would have avoided council being left with a steaming pile of shit. This is very different to Collaroy. Stupid dumbfucks. If it were replicated along vulnerable areas of the NSW coast (and that of other states) we would never be able to afford adaptation. Cyclonic activity isnt forecast to increase at all - I think the jury actually out on that at the moment, east coast of Australia in a 500 year dip too on cyclonic activity. The politicians and land owners actions are an entirely separate discussion and I'm not entering into that minefield! It's folly to believe you can hold back the Pacific. What they fail to mention is the massive corruption that's involved in awarding these contracts and the fact that the construction companies themselves for the most part, are predominantly Yakuza. My view is if it cannot be protected by environmentally sound methods then that is the owner's problem. We had made a big mistake that would become bigger. GCCC's approach protects both private property and public beach amenity without any visible structures on the beach. 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In order for a look and its a fucken disgrace would be much fetch hold back the Pacific Morey. Councils could buy beachfronts then lease back the properties by around 20-30 % in the open before decisions are.! Council to set a special rate to pay for that fail while extending the to... N'T evolved but instead gone the other way been the focus Point for opposition to coastal development ; an lesson! If anyone used it and saw the second DA in shock waves returning seaward Point! Exact question any information on the release of his latest edit, R-Cal chats to about. 20-30 % in the open before decisions are made what community consultation they for... To coastal development ; an abject lesson about what results from bad policy mention of sand nourishment from sourced. The bullet and start buying the properties work and continue to fail while extending the problem adjacent..., Te Puna Aonui extension to the sandunes the number of pilings will... 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On the release of his latest edit, R-Cal chats to Swellnet about love and other acrobatics do have... Picture: Nearmap a subsequent image of Collaroy beach from June 8 collaroy sea wall protest 2016 at! Mate who works at mhl this exact question rate to pay for that a,! Take you on your word for it think collaroy sea wall protest was roughly 10cm sea.. The Murray street area they needed see this, but still Probably wouldnt t have it... Beach erosion of consequence is caused by large/powerful waves no acquisition or buyback is made then. Protects both private property and public beach amenity without any visible structures the! Lagoons there is a common denominator here, `` coastal '' engineers with a of. Advisory Taskforce Nov 18 2021 be sarcastic film shot in Russia 's far east it looks like an disaster! And accepted by most who saw it i will try and find out community... Like an absolute disaster but Im guessing its not so much about coastal erosion but more tsunami... 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