What a mess. Beaches like Bondi still had sand dunes and likely better banks all around. Will it make Carties better or will kooks just ride into the wall even more. Not off topic JS, wouldn't be surprised if there is a hyperlink to that video in the sea wall approval document!. In Japan, their solution is to just go bigger and higher . Water is manageable but comes with a huge expense and loss of nature. Taxpayers pay millions of dollars on a asset that will require '000s thousands if not millions of dollars in annual maintenance to protect the value of a tiny handful of multi-million dollar properties owned by multi-millionaires who thought nothing of buying a property directly on a beach for a solution that only kicks the can down or up the coastline for some one one else to deal with. Large waves have a lot of energy and must be forced to break further out to sea to dissipate the energy before reaching the sand shoreline. However, the residents focused primarily on the protest against the sea wall while not suggesting any alternate solutions to solve the coastal erosion, and therefore, failing the 3rd criteria. Collaroy seawall project | Protection from coastal erosion Watch on Location: Collaroy NSW Our specialist staff were engaged by the Northern Beaches Council to construct the 250m rock revetment seawall in front of the Collaroy Beach carpark. Yeah nah. exports the same quantity of energy in green electricity and hydrogen as it exports in thermal coal and liquefied natural gas. Why would you bother acquiring the affected properties "at any cost", when they're likely to be washed into the sea? South Narrabeen beach is now useless to anyone. Highly unlikely! It only does BOUSSINESQ wave interaction and NOT sediment transport but you can still get a lot of good design-feedback 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. Its an issue the whole coastline, councils desperate to get what is a liability off their books and some homeowners, beachfront, genuinely caught out by it. More than double in wealth the last 7 years. And the properties either side?? It would be fantastic to see an interview with someone from Many Hydrolics as they did all the Scientific modeling and have been very open in sharing their data. Sounds like the beach will be off limits/ too dangerous to walk on for weeks until the NSW Beaches Council recovers the rusting rebarb & concrete waste scattered along the beach then? They're not effective at all mate. I find the whole thing fascinating, I had guys from the council to my face tell me of a future with 52 day heatwaves & in the same breath tell me of being concerened about extreme cyclones & erosion. good pics there willi, hadn't realised this. The state government and council are together tipping in 20 per cent of the costs for the construction of a wall stretching from Collaroy to South Narrabeen after heavy surf and powerful storms . Not even the dude came up with half an ear! In Apollo bay there is an area at Marengo where they just tip $1/2 m's worth of sand a year ..there was a report about having to spend $3b to make big bridges and raised roads. 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. I cannot see how can this be a feasible long-term strategy from the cost perspective. Collaroy resident Tony Cagorski lost more than 10 metres of his yard during the weekend's wild weather, undermining the foundations of his home. Some interesting papers about building seawalls and the effect it has on risk perception in the post Tsunami context in Japan: Littlejohn (2020) "Dividing worlds tsunamis, seawalls, and ontological politics in Northeast Japan" The fucking vandals bulldozed down one of the last remnants of coastal heath to get their heavy equipment in. There is no evidence whatsoever of accelerated erosion seaward of these newly constructed works. For Sydney its not just beach suburbs. However the short period easterly swells go straight into all parts of the surfcoast digging it up and turn almost every beach with low swell energy into an ugly mess. Those days are gone, but we can make the future even better IF we use our brains like you say! 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. The rich get richer, the poor get the picture, no bombs never hit cha when your down so low". Our timber guide wall formwork is not only reusable and 100% recyclable, it also prevents dangerous polystyrene fragments from entering the ecosystem. Stupid dumbfucks. I can see everybody getting angry here on SN..but what are the solutions to seal level rise , Short term and long term. It is worth remembering that this council, as Warringah, council, was twice dismissed for corruption and incompetence. Instead, sand nourishment is the popular solution to maintaining beach width, though both Donohoe and Gordon are feeling once bitten and skeptical of any council promises. Completely agree that not all beach owners are cashed up pricks. There's no homes or businesses, or very few to speak of- doesn't come close to justifying the cost of the wall. Willi, how would easterlies impact the Great Ocean Road coast? Florida is an example. Hey BD. Here are the bloke credentials Hence, they are of no market value to me. Dates announced for Spencer Frost and Guy Williment's film shot in Russia's far east. Given that it seems to fly in the face of best practice, has anyone asked what the NSW Coastal Council has to say about it? In 2002, protestors form a "line in the sand" from Collaroy to Narrabeen opposing seawalls (Photo: Surfrider). consultant reports and community consultation no doubt funded by state money. If that is to be avoided there needs to be a concerted effort to gain the support of the wider NB community to create pressure on the council to develop a more acceptable plan. Owners of storm-devastated Collaroy properties on Sydney's northern beaches face paying up to $140,000 each for a new sea wall that might have saved their homes had it been there at the weekend. [happy to stand corrected on any of this] The properties were bought in good faith, said one local who wished to remain anonymous, and the owners must feel an obligation for the authorities to protect them, but a seawall is last century thinking.. There have been high profile storms on the NSW East Coast since the mid-70s. !.Basic, crude, primitive, a fcukn disgrace and no regard for the beauty of the areajust shit!.Year 7 school project standard. Here's the full video with audio. 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. Wherever there's a seawall the sand/beach washes away and makes it virtually impossible to enter or exit the water, not to mention the impact on the birdlife, fish and crustaceans that depend on the seasonal sand flow that comes with a healthy beach. It's going to be carnage there this morning & yesterday afternoon even, solid 6-8ft sets on a big high, anyone heading down for a look? There is a significant risk that, as Craig suggested, end wall erosion will simply move the problem and lead to calls for extending the wall. "Brendan Donohue, President of Surfrider Northern Beaches, has been talking to us about their famous Line in the Sand protest against the Collaroy/Narrabeen Seawall 18 years ago and we are very excited to replicate that campaign on the Central Coast in the not-too-distant future," Phillips said. Wetsuits may never be the same again. Unfortunately, what we see in Collaroy might become a norm to protect this lifestyle. Would suck if you got amalgamated into Northern Beaches council then had to pay tax for this. All of Ramsgate, Brighton, Kyeemagh, Dolls Point, Scarborough Park and lots more will be underwater in 50 or 100 years time. There's been a lot written about the challenges of the various adaptation options, including the purchase of private lands. [ask GaryG] This isn't a new issue, as has been mentioned in the article above, and the longer we ignore the elephant in the room the harder it will become to resolve. Anybody heard of rising ocean levels & retreat by wealthy landholders who where allowed to build in the dune systems which nature designed to replenish the beaches? I avoid it because I dont think anyone truly is except for a small % of big players who manipulate the market (or act like the house) and the rest just ride the peaks and troughs. The 18-year-old scored a near-perfect 9.50 in the Final, held at Seaside Reef in Encinitas, California. I am working on a gipa application to try and find out what community consultation they did for the second DA. Shows what not to do, i mean it'd have some value in an inlet or lake subject to openings to the ocean in storm surge/high tides. https://files.northernbeaches.nsw.gov.au/sites/default/files/collaroy-na Collaroy Stormwater Pipe Outlet Surf Breaks Inc. Coming to a beach near you ! Collaroy Sea Wall Client: Citilink Piling With such close proximity to the ocean, our client tasked us with producing an alternative to the commonly used polystyrene forms. This will give all all a better insight into what's going on with these projects. I have to disagree. 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? Ha! We all know there is significant increases in sea level rise..are we setting a precedent that if your coastal property succumbs to coastal erosion, you should be financially compensated? As parts of the great ocean rd have began to crumble into the ocean. The reason is the appearance of a concrete seawall along a stretch of beach between Wetherill Street and Stuart Street, which both run off busy Pittwater Road. 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. Picture: Nearmap A subsequent image of Collaroy Beach from June 8, 2016. My comment in the other article also notes that across this region, "it is illegal to establish, maintain or use a spoil ground or other ocean disposal point (including dumping materials at sea)". Im worried they will put one of these in at a beachie around here as the carpark and rd are imminent to be taken by the ocean and Im sure that will dramatically change the profile of that beach. >>Really dumb idea. Step 3: Calculate the number of pilings that will be required. Hear, hear! If anyone used it and saw the second DA let me know. Actually I do understand why the council doesn't research an alternative to a concrete wall, because it's easier to build a wall, something humans have been doing for thousands of years, we're good at it. Spot on. 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. 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. Making it deeper? Harmer and husband have been protesting for 14 years to stop surf barrier She led 2002 lobby against $12 million wall proposed by Warringah council A monster Sydney storm wiped out properties. Those first couple of staircases looked fucked. Should have taken the high road. Though still in its early days, the reef - which cost $18 million - has maintained beach width since it was completed in 2019. governments recently built a bunch of groynes around the Murray street area. Bean counters at the local council know this too. Luckily these sections of the Roads are at the far inside of pointbreaks so the wave energy is mostly weak, with little rebound affect. Was the carpark damaged by the 2016 storms and if so-to what extent? Ratepayer/taxpayer bailout, so business as usual whatever happened to caveat emptor? There's only a loss to be made for the purchases. https://static01.nyt.com/images/2017/01/28/world/28israel6/28israel6-sup Sea-change hostage negotiations at Hellhole of the Pacific OK this is the real one. I think the re-sale value of their properties trumped their ability to access the from their back garden. 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!! EDIT: Just to be clear, the issue of erosion has nothing to do with sea level rise, climate change, or buying the latest board. Bullshit. Collaroy's existing situation is precarious at best. Get Pro. The Surfrider Foundation Australia organised a protest against the seawall that is being erected between Narrabeen and Collaroy. Cheers. This has cut into the base of the dunes below the surf club. However, the work then continued skyward with a seven metre vertical concrete wall on top of the foundations. https://files.northernbeaches.nsw.gov.au/sites/default/files/collaroy-na https://nationalprecast.com.au/wp-content/uploads/2015/06/Collaroy-Beach https://www.9news.com.au/national/weather-nsw-sydney-collaroy-surfer-pul https://lighthouse.mq.edu.au/article/september-2021/Living-Seawalls-in-g https://www.odt.co.nz/news/dunedin/tarzans-stormy-st-clair-skinny-dip. The market knows the insurance companies know this. Te Puna Aonui is the joint venture of government agencies that will deliver Te Aorerekura. 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. Yea I agree with this. At this point, no-one can say if any consultation occurred, though the cynical view is council ticked the box by distributing flyers to the immediate neighbours, all of whom would want similar works built to protect their properties. That's crazy stuff. I definitely disagree with a buy back. I wonder whats worse this concrete monstrsity or the digital identity certifcate which is about to be become a reality unless you put some energy into being another voice presenting a social inclusivity rather than If there is an identity card, then people in authority will want to put it to use.What is at stake is nothing less than the nature of our society and the power and authority of the state over the individual. "I really like living here deep in the bush, close to nature. What some consider the ugliest wall in Australia could soon be bigger, with residents pushing to extend the Collaroy seawall on Sydney's northern beaches. "We have the Tools and imagination" You can cry about why it wasn't their fault but that doesn't change anything at all. "Once this is up it'll be a momentum for others to do it too," said Orth. 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. LGA's apply for state and federal funding on offer for range of purposes. The process is cyclical, however short-sighted development upon the foredune, built during times of a wide beach profile, impedes the system. In a 2007 story for the Sydney Morning Herald, both Rob Stokes and a spokesperson for Warringah Council admit buyback isnt feasible and that other means of defence would be necessary, such as dune reconstruction, revegetation, and sand nourishment. It's like companies using buybacks in a crisis. https://www.dexpan.com/pages/how-to-use-dexpan-break-concrete-rocks-easily. There's no sense at all in building something like this from an engineering perspective. On the MP they blew the heads up and the erosion from Portsea front beach to the heads is crazy. High-quality Collaroy Wall Art designed and sold by artists. Its like stepping forty years back in time. No-one wants to see visible structures built along the beachfront. I suspect the engineering report will say thatif we ever get to see it. Sorry to sound pedantic but we should clarify exactly what we mean by "Hard Structures" as it's too general a term. Also, ALL the Numerical modeling was done in comparison to the current altered beach-state and NOT to a natural beach-state so there is bias in modeling things that way even though the beach state is not natural any more. The sooner we (as humans) acknowledge the nature of nature, and work with it instead of against it, the better for everybody. Its brutalist engineering, says Gordon frankly. Your browser has JavaScript disabled. Also I'm suspecting at the lga level the up front investment to do this work can be a hard sell. As a result, if the sea erodes the shoreline (and the tidal level moves inland) it encroaches upon land once part of someone's private land title. Most swells will have to wrap around the rock/reef headlands as well as cape Otway before this and nicely wrap the swell into the bays and our coast has been shaped like this for however thousands of years so it is used to it, and this is what us humans observe as the normal state of the beaches as they are quite predictable and dont change much around here. Isolated, desk top engineering at its finest. For example, during sunny conditions in Collaroy beach, constructive waves transport eroded sediments from cliffs and headlands to build up the beach. . Yes and do they have tactile indicators in the correct place? The Act was introduced by Rob Stokes, the NSW Minister for Planning and member for Pittwater. When a hard structure is introduced to the equation we see an increase in reflective energy andturbulence, slowing the accretion of sandwhile also acceleratingerosion in storm conditions. Ray Collins eat your heart out.. Good find. They blend in quite nicely and have provided easier access to the breaks and so far been a success in the regions theyve put them so I fear theyll continue to put them in everywhere thinking they wont caus too much damage to beach profiles elsewhere. The houses up the dune with no apparent erosion would be an apple compared to these lemons (for now). when roads and buildings are about to fall into the sea. Around 80 percent of the cost will be shouldered by the property owners themselves while the remaining 20 percent will be jointly funded by the Northern Beaches Council and the NSW government. For the most part I understand buybacks but, how will they appraise the value of these properties? The Collaroy Beach coastline on May 6, 2016 before major storms swept the shoreline. At the opening, Mayor Michael Regan spoke fondly of Toms achievements crediting him with adding swathes of precious coastal habitat for protection for future generations. The Mayor also unveiled a plaque that mentioned the line in the sand protest. Here's the Maritime Safety Queensland website link and here's what appears to be the numerical modelling report upon which a lot of decision-making on the issue is based. Seeing and continuing a precedent that the government should pay and protect small groups of private landholders while the property owner reap the benefit and profit of rocket fuel property prices. Its a wicked problem theyve got, in the true sense of the word.. Might be time to lawyer up. They may have a wall, but there will be no beach in front of it. That's a form of speculation I believe. Further to the north, sand that was built up in front of properties has been scoured away leaving an eight foot drop-off. A quick trip Todos Santos way during a belting nor'west swell. It's orders of magnitude more than a bunch of multi-million dollar properties at risk. Would be interesting to see the state of that beach on the north side of breakwall now, This was the same dune system a few years before all these easterlies. I do know the metro area was excluded from the NSW Coastal Policy for a long time because it was seen as too difficult, and that the CLPS was focussed on environmental values. The market knows this. Fvck the coastline. It also enshrines a process of community consultation before a council adopts any coastal programs. They are a method of hard engineering. Some relevant links from when I had a dig around before. Seawalls of this design have been shown - all over the world- to destroy beaches. The main issue is that the cables are protected in whatever is proposed. For some it. Though with 80 properties at risk, and coastal real estate prices at a premium, they gave up on that approach in 2007. Yep pretty significant increase in the height. The option of do nothing seems to have passed but it can always be thrown in as a baseline. You got to have demand/competition in order for a buyback to increase value of supply. It will still be a bargain now compared to 60 years from now if they do the same. Yet for some reason the Collaroy/Narra stretch seems to get flogged not only by mother nature but by poor coastal management approaches time and again. After five years and four contests, the performance level at Kelly's Hot Tub hasn't evolved but instead gone the other way. During periods of low swell energy, sand accumulates on the beach, widening the profile and forming a natural barrier for when storms and large waves erode the coastline. My view is if it cannot be protected by environmentally sound methods then that is the owner's problem. "community engagement", and my personal favourite "building resilience". Thanks Lilas, totally get where you're coming from and taken on board. Maybe "Collaroy" is the aboriginal word for "Stupid White people"? Usually done by compulsory acquisition with the government working off existing market prices. They aint getting crushed. That video represents a nightmare scenario, no beach, no waves and similar to Zen's story ie man made interference gone wrong. Bumper Farrell had the prime position. Weve long known that putting a hard structureparticularly a hard, vertical structure, on the beach increases erosion., Northern Beaches Council puts up the big don't argue (Photo Craig Brokensha). bit of a worry but, when you buy a nice piece of land by the ocean in high risk erosion zone..why do tax payers have to buy the property back,,,surely the owner knew the risks ? Collaroy Seawall Detailed Survey for construction of a new seawall in highly sensitive erosion zone. It's corrupt to the eyeballs and the only winners are the crooked pollies and the dodgy construction companies while the once beautiful Japanese coastline is lost forever. Nature fights back. 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. Gold Coast City Council had a similar problem to Collaroy at Palm Beach Qld. It ran northwards around the back of the lagoon and on toward what is now Collaroy Beach. We have trouble performing numerical analysis on complex near shore environments, so what we'll do is create a slab sided wave tank with perfectly geometrical structures and wave forms and see what "actually happens". Surfers, sun bathers and swimmers. Aside from high tides and Tsunamis, Im guessing most islands/atolls dont suffer much erosion when surrounded by reefs? I just can't see HOW these monstrosities ever get approved, purely on an engineering level. The question is why did the owners go for such an unattractive solution that by all appearances seems to have blocked their beach access. In one of the pics you see plant equipnent tearing up the beach in preparation for constructing a wall. Who could forget the MOLE building or the spoil from the North Head Sewage Works tipped over the cliff? Our timber guide wall formwork is not only reusable and 100% recyclable, it also prevents dangerous polystyrene fragments from entering the ecosystem. Scientists need to be able to communicate the results of simulations/tests in a way everyone gets, not just a bunch of numbers. Turned this place into a concreters paradise. Here Willi. They've had a very very blessed life compared to anyone else in this country and that in return they would do such harm to a public place to save their private property is a bit sad. That's the only thing stopping all the sand at the base of the wall getting washed away. Our services included: Pre-Work Detail Survey for existing surface levels at design chainages. The second DA is now here. Seawall construction isnt mentioned. Drone footage over Collaroyafter the June 2016 'Black Nor'easter swell' (Photo: UNSW Water Research Laboratory). 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. 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? Lets bring it on. It would be fascinating to see the NSW Cabinet documents which advocated for this approach. It's a travesty in so many ways and a very poor precedent for other parts of the coast which will be deemed vulnerable to sea level rise. Indeed.
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