On Saturday November 27th hundreds of locals came down to Collaroy Beach / North Narrabeen Beach in grim weather conditions to protest the monstrous 7 meter . 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? Nah, buybacks don't put the properties back onto the market, they're acquired by the council at market rates and then emptied, returned to parkland and foredune, both a buffer against storm action. 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? The council now will not release the relevant documents without a formal application and even then would no doubt find reasons to withhold the significant parts. Can't understand why more engineering research isn't focused on solutions further out in the water to dissipate the swell energy before it reaches the shore at full speed. It is all about the road. By doing so they have encouraged similar management intervention from beachside landholders by 1. demonstrating part liability for coastal erosion processes by building such a structure that threaten adjacent properties and 2. Also, it's a not so secret secret, anyone who speaks out about this have been known to disappear. Joint Venture adopts new name, Te Puna Aonui. Here Willi. The only place for a residence next to Narrabeen Beach was up on the headland. Hear, hear! 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? There's been significant coastal erosion (acute) along the GOR in recent years, though only a handful of places have experienced coastal recession (chronic). If you want to witness how to do irreparable damage to a coastline, look no further than Japan. (AO) There are many software suits now that can handle very complex near-shore modeling, including sediment transport from wave and current action. And it was created many years ago when coastal property was much lower in value and the bang for buck was much higher. Re: "I don't think that would preclude construction of reefs". Sorry wasnt specifically referring to collaroy which I completely agree has been a known and long term problem. Also any factual statements need reference links to scientific papers backing them up if they are to be taken seriously 1. 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. The engineers would have likely argued against this for the reasons given above (and then some). 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. Some family recently went through this as their house sat above the construction zone for the Spit / Northern Beaches Link tunnel. Much bigger. If they approached the landowners then the most they would be offered is market value. By creating offshore reefs that only interact with the largest [damaging] swell events, the normal beach processes can be maintained by allowing small to medium swells to pass unaffected and continue the normal flow of sand. Perfect future film location for backwash kook of the day. Imagine the carnage during the next ECL. Thats tens of thousands of homes). I don't disagree with most of that. I cannot see how can this be a feasible long-term strategy from the cost perspective. https://www.9news.com.au/national/weather-nsw-sydney-collaroy-surfer-pul Sydney 'Living' Seawalls The houses up the dune with no apparent erosion would be an apple compared to these lemons (for now). 2016 Collaroy seawall Concept Design Specs The Act was introduced by Rob Stokes, the NSW Minister for Planning and member for Pittwater. 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. This strategy had been used in other parts of the world where poor planning placed buildings too close to the ocean. If they fall into the sea so be it. 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. It's good to see some enlightened input from Brendan and Angus, both of whom have extensive experience in coastal management from planning and engineering backgrounds. Florida is an example. Rise seems nearly double than the run. 100% agree Craig, the only option is to buy back the properties and be done with it like they should have done years ago. It ran northwards around the back of the lagoon and on toward what is now Collaroy Beach. The owners of those properties must have the most amazing collection of dirt on the political class. Lance any surf info about Middleton Reef ? Can somebody please sack almost ALL so called coastal engineers for Fuck's sake! I saw the construction going in, says Donohoe of seeing the area cordoned off earlier this year, and thought they were building rock revetments. All of Ramsgate, Brighton, Kyeemagh, Dolls Point, Scarborough Park and lots more will be underwater in 50 or 100 years time. Pretty incredible and frightening stuff. It's propped up by the NSW and local governments way beyond the importance or value of that stretch of private land. Or are they just doing it like politicians and getting consultants to advise them and simply ignoring it and doing what they want as they are not bound by law to take that advice. Dates announced for Spencer Frost and Guy Williment's film shot in Russia's far east. Completely agree that not all beach owners are cashed up pricks. Not sure if that happened though. Avoiding these types of impacts has been part of state coastal management policy around the country for the past 30 years. 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. The public should not suffer loss of amenity or pay the costs to protect it. Northern beaches residents have been worried about how their beloved beach would fare when large swells and high tides hit the controversial Collaroy seawall. Same old issues, with a more educated market. The Feds and States are the only ones with sufficient means to do anything, but for them its a case of not my problem. 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. Any example around the world that have worked with out wrecking a beach but holding back erosion in built up areas ? Designed to democratise surfing, Tom Morey's invention became a specialised craft for riding treacherouswaves. Hence, they are of no market value to me. If a construction like that ends up being the only realistic option then so be it, but at least they need to be transparent about how they got to that point, and ideally accountable in future if it goes south. At what point do we put an end to this insanity. For a couple of furlongs it was quite close to the ocean but nobody cared. In Japan, their solution is to just go bigger and higher . Until then the owners can continue to enjoy their delightful seashore experience. increases social amenity". 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. Whether concrete castles or sand castles, buildings that close to a sand shoreline must be living on borrowed time. The fucking vandals bulldozed down one of the last remnants of coastal heath to get their heavy equipment in. Collaroy Sea Wall With such close proximity to the ocean, our client tasked us with producing an alternative to the commonly used polystyrene forms. I guess that the levees will give me a 100% guarantee that it'll never happen in my lifetime". Wow, that is ugly even by brutalist/modernist standards. I think this was done for the first DA, the sloping rock wall, rather than the vertical one that was actually built. Im not sure that councils have the legal authority to acquire the land, pretty sure that resides with State governments and the Feds only in certain circumstances. Bite the bullet and start buying the properties back and bulldozing them. If no acquisition or buyback is made, then good luck to the owners trying to sell these properties. In the future, the problems may well be exacerbated by the above but they did not cause it "in the first place". Though not failsafe in extreme events, isnt it amazing how reefs and well-place gabions somehow protect small atolls in middle of the ocean for most of the time? >> and the ocean will wash it all away again in the next big swell. So they all get their own private beach access. This is associated with above-average wave heights related to Tropical Cyclone Seth and also elevated ocean water levels associated with very high tides, Mr Horton said. In the end it's all pretty simple though, as most beach erosion of consequence is caused by large/powerful waves. A quick Google informs me that they are part of the State government, either Planning or Public Works, which was news to me because its mainly staffed by UNSW academics and is associated with the uni as a research centre. I go to look at the big mistake after a big easterly storm. I hope this Collaroy wall hasn't set a precedent. To my way of thinking, and with a working understanding of government process, the real issue is the approval process. My working assumption is that they have behaved unethically on this matter. 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 ? 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. The seven metres protruding above sea level is vertical, even going beyond vertical for the final metre to prevent wave overtopping. The option of do nothing seems to have passed but it can always be thrown in as a baseline. The sea wall forms a permanent, stationary barrier between the sea and the land. At what point are they a write-off? Collaroy homes along Pittwater Rd have been cordoned off today. They have just invested in an asset that requires 60 years of maintenance. Will this mean sand depletion north and a build up south? Kook survives a brutal seawall bashin' well almost! exports the same quantity of energy in green electricity and hydrogen as it exports in thermal coal and liquefied natural gas. It would be the same as for any development adjacent to the cables where they make landfall. Construction costs are 80% homeowner funded. The area has been slowly receding due to storm damage - theres evidence of erosion dating back to the 1920s - while at the same timebeing intensely researched by coastal geographers. I watched a 4 corners or foreign correspondent thing last year on the Japan sea walls. Buy backs should only be an.option when they contribute to an environmentally sound solution. 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? But there will also be a range of other social and environmental grants on offer that the LGA will use to leverage off for on-going maintenance.
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