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Kostas Test 2

This is a test Innovation report

Draining pavement to support transit traffic and displace storm peak

The new BREINCO's draining pavement, which is able to support transit traffic by regular cars, allows to retain over 10 cm of water per square meter promoting runoff peak delays and reducing damages due to urban flood events. The permeable pavement also contribute to recharge groundwater bodies and to reduce the urban heat effect.

Developed by INDUSTRIAL BREINCO

The draining pavement, which can be placed in pedestrian areas, vehicle traffic areas and parking areas, acts as a network of canals able to collect and retain rain and storm waters in the urban subsoil and reduce their entry into the sewer network. As a whole, the system would have a similar effect than a storm tank.

TRL6. Prototype system verified
Technology demonstrated in relevant environment. Representative model or prototype system, which is well beyond that of TRL 5, is tested in a relevant environment. Represents a major step up in a technology’s demonstrated readiness. Examples include testing a prototype in a high-fidelity laboratory environment or in a simulated operational environment. The technology has been tested in parking areas and worked successfully during 10 years. Next steps require to extend the testing activities to street areas with conventional traffic transit.

See more information about this level and the TRL and SRL levels.

The main components of the system have been tested separately, and an initial integration exercise has been conducted.

Credits
Collaborators

How does it work?

The drainage pavement consists of a set of “accumulation cells” which are underlain by a gravel subbase layer. The pavement collects the storm water allowing its movement through itself and its accumulation in the pavement-gravel subbase system. The total height of the pavement-gravel subbase system can be higher than 50 cm. which makes possible to store more than 10 cm of water per square meter.

Limitations/conditions under which this innovation does not work or is less effective

Our solution does not withstand heavy wheeled traffic.

Added value
Our solution provides a higher storage capacity than current permeable pavements available for pedestrian and traffic transit areas.

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