September 2026 WATERLINE | 13 +61 (0) 438 548 163 www.butchartmarineservices.com.au greg@butchartmarineservices.com.au QUALITY MARINE SERVICES High quality and innovative solutions to boat hoisting, transportation, storage and marina facilities. Australia’s No.1 Boat Stands FEATURE ENVIRONMENT, DECARBONISATION & SUSTAINABILITY deployed, where possible, but often with a reaction time too slow to control the full spread. At Port of Saint-Tropez's Phare Vert fuelling station in France, The Searial Cleaners installed the InvisiBubble: a submerged, perforated pipe generating a continuous column of air bubbles from seabed to surface, forming an invisible barrier that contains hydrocarbons at the point of leakage, without obstructing boat traffic - turning pollution response from a reactive cleanup into an immediate, on-site containment. It echoes a principle Australia's Seabin helped popularise years earlier: intercepting debris and hydrocarbons at the source, inside the marina, rather than downstream or in the ocean. Habitat is the other half of the equation. Living Seawalls, developed in Sydney Harbour and now installed worldwide, retrofit textured panels onto flat seawalls and pilings that mimic rockpools and crevices; monitored sites show markedly higher species counts than bare infrastructure of the same age. France's Ecocean has pursued a parallel path with Biohuts®: small, submerged nursery structures installed beneath floating docks that shelter juvenile fish. Both point to the same insight: hard infrastructure doesn't have to be a biologically dead space. END OF LIFE: DESIGNING FOR WHAT COMES AFTER The environmental cost of a marina is rarely settled at construction — it's settled decades later, at demolition. Composite and mixed-material structures are impossible to separate, sending tonnes of material to landfill when a facility is finally decommissioned, a significant issue given the growing reach of the polluter-pays principle. Eco-design approaches increasingly favour products that make material separation at end of life. Mono-material, easily recyclable components, modular fixings rather than bonded joints, and decking that can be unbolted rather than demolished all help turn infrastructure into a potential source of revenue rather than a waste problem. It becomes a design discipline where the same modularity that eases mid-life reconfiguration also simplifies eventual disassembly and material recovery. None of what is described here requires marinas to choose between profitability and sustainability, between performance and environmental responsibility - they are increasingly becoming part of the same decision. Low-carbon construction, seabed protection, water-saving initiatives and pollution-containment systems are no longer pilot projects; they are embedded into marina development and management processes. The operators moving first won't just be greener, they’ll be better positioned commercially, operationally and reputationally for decades ahead. Tomorrow’s marina isn't a compromise between financial viability and biodiversity, the solutions exist, and it comes down to today’s choices. Ecocean Pylon Biohuts®. Source: Ecocean website
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