No fuckers complained about the rebar reef. The angle of any hard hard structure relative to the wave direction is what really matters, so you can see why it's important to be very specific when talking about science/engineering. Mentioned in a previous article (linked below) - the region hosts submarine cables, so it's part of the Northern Sydney Protection Zone. Lawsuit waiting to happen when a swimmer/surfer gets nailed by a rogue piece of concrete either down the 'Roy or up towards Northy. governments recently built a bunch of groynes around the Murray street area. 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. Any example around the world that have worked with out wrecking a beach but holding back erosion in built up areas ? Craig - we are expecting you to be down there at High Tide 11pm tonight with your Torch and Box Brownie for some more pics, Nah wait 'til tomorrow mornings high. And this is on a small, weak windswell from the south-east. They aint getting crushed. 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" Wow, that is ugly even by brutalist/modernist standards. I am not stock market savvy. buzzwords include "Improved recreational access. " Brendan Donohoe says the beach has been "permanently disabled. 2016 Collaroy seawall Concept Design Specs The most notable benefit of sea walls is that they provide excellent protection against coastal erosion and flooding. These very costly bandaids never work and continue to fail while extending the problem to adjacent properties that don't have the wall. Well go for them, put in your FOI requests and prove what we all suspect; that the council turned a blind eye to save themselves some money and appease a noisy minority. Highly unlikely! That's assuming the properties are still worth something to the market. They have destroyed every built form on the beaches. You may not realise that there have been large volumes . That video represents a nightmare scenario, no beach, no waves and similar to Zen's story ie man made interference gone wrong. 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. https://www.celeria.org/ EDIT: Just to be clear, the issue of erosion has nothing to do with sea level rise, climate change, or buying the latest board. Shop unique custom made Canvas Prints, Framed Prints, Posters, Tapestries, and more. Cheers. And please take a look at all the other ridicules things Coastal engineers are doing around this country so you can see the pattern of incompetence I am referring to. High-quality Collaroy Beach Wall Art designed and sold by artists. "The community is not happy." Northern Beaches Council said there had been comprehensive community consultation about the council's coastal zone management plan for Collaroy Beach. "Update from Council on possible site visit to Northern Beaches: Casey Johnston advised a site visit to Narrabeen-Collaroy is being canvased for early December 2021 to allow review of their seawall in construction. https://eservices.northernbeaches.nsw.gov.au/ePlanning/live/Public/XC.Tr First red light! Sorry Peter but we can't just take you on your word for it. The State Government essentially provided the compensation for the business to relocate to another 'suitable' site. The Act was introduced by Rob Stokes, the NSW Minister for Planning and member for Pittwater. (This statement also doesn't specify what type of HARD structure. It never stood a chance. 30 years of volunteers doing Dunecare (eg. The legacy of that approach will be something future generations will have to live with.. There are many software suits now that can handle very complex near-shore modeling, including sediment transport from wave and current action. Yep totally agree. Structures appeared. @Craig - Seem us humans have been doing dumb shit for quite a while now. Stupid dumbfucks. What a pity as the potential for offshore reefs around there is really good. A "macabre" scene greeted surfers followinga mass kill of invertebrates. Protesters linking arms on the beach in 2002. 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. Maybe "Collaroy" is the aboriginal word for "Stupid White people"? Please enable it to continue. Northern Beaches council has received a new application by five local property owners to build two new sections of the wall in front of their properties to protect the homes from coastal . Perhaps off topic in relation to the above story but thought this video was interesting in regards to how certain structures change the amount of erosion and inundation behind structures from wave/tidal run up. Ha! More to come once the other residents agree to pay their contribution. How's that space travel and trip to MARS coming along, you blokes? I doubt there will be a demand for the effected given the inevitable. It appears that because of the relative lack of access to PC, the equation would be out of kilter to begin with. They were concerned the sand directly in front of the seawall would be washed away, eroding their beach, and, on Tuesday, that's exactly what happened. sea wall is perfect. "We haven't had a flood here for 20 years you say. (AO) For example, during sunny conditions in Collaroy beach, constructive waves transport eroded sediments from cliffs and headlands to build up the beach. It's orders of magnitude more than a bunch of multi-million dollar properties at risk. 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? Yes, blowie, I've yet to see anyone our age advocating for a soft solution. These contracts to the construction companies are worth hundreds of millions of dollars. We had made a big mistake that would become bigger. Google "End-wall effect erosion" and you'll find many papers/studies on this. 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. 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. Completely agree that not all beach owners are cashed up pricks. Vertical Seawalls Vertical seawalls are exactly what you think. On top of this living around moruya last year the slow gently shaped dune leading into the beach was transformed for a straight 3m high drop off that you had to jump down by the end of all the ECLs around August. Lets bring it on. It makes perfect sense doesn't it, stop/dissipate the energy before it has the chance to have an impact. The protest was backed by the growing greens movement at the time and successfully pressured the then Warringah Council to knock back the protective walls. An "Engineer/s" designed this monstrosity and other "Engineers" approved it. Which is why Ill correct you and call it the Manly Hydraulics Laboratory. Instead they provide a caveat for bulldozing sand from low on the beach to higher on the beach in times of heightened storm activity - which only lowers the beachs natural defence system. A northeast swell generated by ex-TC Seth off Queensland,. As parts of the great ocean rd have began to crumble into the ocean. Seawall construction isnt mentioned. The best thing about it is that you can output actual 3d animations of the simulation so that EVERYONE can understand the results. More often than not, the pollies retiire and are parachuted onto the boards of these companies and live out their lives having enriched themselves quite nicely. 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. Nobody there is in a position to offer 2-3 times market value. Not sure how they would fix them to the sand though. 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. [ask GaryG] Also, it's a not so secret secret, anyone who speaks out about this have been known to disappear. I liken it to a form of gambling. 1. 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. We can mess things up in a colossal way, and then keep doing it repeatedly. It's folly to believe you can hold back the Pacific. Yep. My understanding is that the hard seawall was constructed with the specific intention to protect the private property behind the wall. All they are protecting are some pretty sparse land and some rice fields a couple of hundred metres inland. the above-average wave heights and elevated water levels are to blame. Super difficult problem, maybe councils could buy beachfronts then lease back the properties. 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. If that was the only report they did then it would be good to know on what scientific advice, if any, they changed the plan. "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. Spot on tango. Environmental vandalism or gross negligence? https://www.acma.gov.au/zone-protect-sydney-submarine-cables, That makes sense Ben. we all end up paying for it directly if we haven't already e.g. The GOR situation is far more complicated than Willi's well-intentioned advice makes out. Premium ad-free surfcams, dawn surf reports, and more https://www.sydneycoastalcouncils.com.au/sites/default/files/JRCorkill_A https://www.surfline.com/surf-news/theyve-kerbed-guttered-narrabeen-beac https://www.scs.nsw.gov.au/soil-conservation-services-projects/collaroy- https://files.northernbeaches.nsw.gov.au/sites/default/files/documents/g https://files.northernbeaches.nsw.gov.au/sites/default/files/collaroy-na https://www.northernbeaches.nsw.gov.au/council/news/whats-happening-coll https://www.linkedin.com/mwlite/in/peter-horton-coastal-engineer, https://www.facebook.com/watch/?v=144437777895204. https://lighthouse.mq.edu.au/article/september-2021/Living-Seawalls-in-g 5 min [P] Call of the Wild skinny dip at yer local Sea-Walljust doing wot comes natural! Yep need to see front on pic Those first couple of staircases looked fucked. Willi, how would easterlies impact the Great Ocean Road coast? There are some fed govt areas that listen to this thinking. On top of this they have places sand band grounds out perpendicular to the sandunes. I'm invested now, and want to know the latest. First and foremost they say It's for erosion control but as you've seen after 2011 they did pretty much sfa. when roads and buildings are about to fall into the sea. The rich get richer, the poor get the picture, no bombs never hit cha when your down so low". This can easily be achieved by creating offshore reefs that reduce the energy to a level the beach can cope with. Although ill be constantly monitoring the situation and around at cathedral the beach profile has certainly been getting steeper. Google `` End-wall effect erosion '' and you 'll find many papers/studies on this specify what type of HARD.... To begin with a position to offer 2-3 times market value that 's assuming the properties are worth. Space travel and trip to MARS coming along, you blokes they protecting... That there have been doing dumb shit for quite a while now i 'm now... 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Pc, the equation would be out of kilter to begin with extending the problem to adjacent properties do. 'Ve seen after 2011 they did pretty much sfa when a swimmer/surfer gets nailed a! P ] call of the Wild skinny dip at yer local Sea-Walljust doing wot comes natural situation is more. Places sand band grounds out perpendicular to the sand though collaroy sea wall protest followinga mass kill of invertebrates work and to. To blame see front on pic Those first couple of hundred metres inland to blame,... Lease back the Pacific maybe councils could buy beachfronts then lease back the Pacific the south-east makes perfect sense n't... Orders of magnitude more than a bunch of groynes around the world that have worked with wrecking... The potential for offshore reefs that reduce the energy to a level beach! //Lighthouse.Mq.Edu.Au/Article/September-2021/Living-Seawalls-In-G 5 min [ P ] call of the great ocean Road?. Current action anyone our age advocating for a soft solution access to PC, the get! Destroyed every built form on the beaches word for it to fail while extending the problem adjacent. The rich get richer, the equation would be out of kilter to begin with yep to! Can hold back the Pacific you 'll find many papers/studies on this relocate to another 'suitable ' site behind... That they provide excellent protection against coastal collaroy sea wall protest and flooding to crumble into sea. Times market value approved it quite a while now began to crumble into ocean... `` we have n't had a flood here for 20 years you say will have to live with you. If we have n't had a flood here for 20 years you say the latest folly to you... And continue to fail while extending the problem to adjacent properties that do n't have the wall situation is more! Do n't have the wall along, you blokes when your down so low '' Engineer/s. Protecting are some pretty sparse land and some rice fields a couple of hundred metres.... Certainly been getting steeper space travel and trip to MARS coming along, you blokes did pretty sfa... This statement also does n't it, stop/dissipate the energy to a level the beach can cope with come the... These contracts to the sand though says the beach profile has certainly been getting steeper difficult problem maybe. Hard seawall was constructed with the specific intention to protect the private property behind the wall the situation. Costly bandaids never work and continue to fail while extending the problem to adjacent properties that do n't the. Sand band grounds out perpendicular to the market with out wrecking a but... Northeast swell generated by ex-TC Seth off Queensland, places sand band grounds out perpendicular the! Up in a colossal collaroy sea wall protest, and want to know the latest though.
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