A pervious alternative to hard surface drainage

More residential and commercial development means more hard-standing impermeable surfaces, less ground where natural drainage is still possible and more pressure on man-made drainage. But one solution is the OSMA AquaGrid pervious paving system offering an alternative way to manage rain and surface water drainage.

There is a solution for both light to medium and heavily trafficked areas such as open car parking and access roads and for verge reinforcement and landscaped areas.

The system is quick and easy to install. It comes in lightweight interlocking square sections of recycled plastic, designed to receive pervious infill material for surface water drainage.

The 500 x 500mm units are secured by pins to ensure full system stability and integrity so that, once assembled, it is extremely strong and can withstand vehicle traffic and parking.

There are two versions. AquaGrid 50 is a 50mm deep version and AquaGrid 75 is a 75mm deep version.

The former is suitable for gravel and landscape environments with light to heavy traffic.

The latter is recommended for areas of regular heavy traffic loading or where premium grass quality is of the highest priority.

The 75mm version includes features such as lateral arches to optimise grass root growth and protection.

If you need additional selection advice, Wavin Plastics can advise on the suitability of each version depending on the application. Wavin additionally tests every AquaGrid unit for strength, loading and durability.

Both versions of AquaGrid are suitable for grass, soil or gravel infill. White marker blocks can be supplied to denote parking spaces. When assembled, both products allow lateral flow and offer up to 90% of their surface area for water permeation through the chosen pervious infill.

The system can be used to drain captured rainfall and stormwater either into the underlying ground or into an underground attenuation structure.

By contributing to sustainable drainage systems in this way, the AquaGrid supports the aims of Part H of the Building Regulations.

More information: www.wavin.com