It has been engineered in a way that is much more durable. It has recycled tyre particles in the material making it both resilient enough to tolerate deformations and strong enough to carry the traffic loads.
It is also a sustainable material as around 50% of the material used in the mix are recycled materials.
Our product also provides infiltration rate far higher than other products in the market which means we can cover a smaller area at a fraction of cost of our competitors achieving same outcome in terms of run-off management.
Yes, it has been used in several successful trials with different designs in South Australia and Victoria. In the trial phase, this product was used to cover carparks with a total area of around 900 m2 which won the product multiple awards including the Excellence in Sustainable and Environmentally Responsible Infrastructure Management at the Local Government Professionals Australia, SA 19th Annual Leadership Excellence Awards held in early July 2020.
The product can be used in two forms, pre-fabricated modular blocks and lay on-site. The blocks can be installed very quickly following simple instructions, but the lay on-site form should be done by a civil contractor (usually partners of Porous Lane)
Even though Porous Lane product is superior in many aspects, such as suitability for trafficable areas, high infiltration, lower maintenance requirement and longer life and last but not least sustainability aspects., compared to other permeable paving products, it is still competitive in cost too! The cost does vary based on the sub grade soil properties and other design considerations such as the storm-water event and required storage capacity (if storage is required). Compared to conventional asphalts, once all the storm water management costs are taken into account, Porous Lane will present a lower cost for all the benefits coming with it.
Yes, Porous Lane has been involved in research projects supported and funded by Tyre Stewardship Australia. Porous Lane is determined to only use Australian waste tyres to minimise the waste tyres going to landfills.
Based on the results of water quality tests, a noticeable decline in total suspended solids and a significant drop in major heavy metals (attached to the TSS) and hydrocarbons happens due to the filtration feature of the product.
We haven’t done it in a large scale yet as none of our project have reached their end of life. But, we have done it in a small-scale in the laboratory. The recovered particles can be added to a fresh mix, depending on the application.
If it’s on the surface, can patch it with fresh mixture. If it’s significant, the damaged area can be cut using a diamond saw and patch that section with fresh mix. The modular blocks, however, can be easily fixed as they are removable and can be replaced with a new one.
depending on the application, subgrade soil type, and expected rainfall event, a storage layer can be constructed under the pavement top layer. It can also be diverted to the nearby trees if the aim is so.
Our trials have shown that the permeability of the product remains well above the international guidelines, making us confident that it will be above the guideline recommendations for many years. Also, using street sweepers to clean the surface of the pavement have been found effective in recovering the permeability.
Needs a cleaning regime. In our trials, after 2 years there was minimal clogging which was resolved using street sweeping. Street sweepers are effective in clogging prevention and recovery of the permeability.
Needs a maintenance regime – standard street sweeping and that should prevent clogging to happen. But, if it happens, the permeability can be recovered to some extent by using vacuum sweepers or pressure washers. The modular blocks, however, can be removed if clogged and washed/replaced.
Yes, all of components are locally available. Rock comes from local quarries and tyre comes from local recycling facilities approved by Tyre Stewardship Australia (TSA). Binder is manufactured in Victoria. None of the components are imported.
Yes, that is the objective in some of the applications. Different pre-designed cross sections are available for this product. It can also be designed for each project specifically. Knowing the permeability of the subgrade, then a MUSIC model can be used to determine how much of the infiltrated water can be reused. It is being trialled in one of Porous Lane projects, where storage tanks and pumps are used.
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