For many years we have been trusted by both National Highways and contractors in helping to keep critical transport routes safe, resiliant and operational for road users across the UK
Our products and solutions have been designed to meet the highest performance standards, from the loading requirements of our Subterra access chambers to Ridgidrain, our twin-wall surface drainage range being the first to gain Highways Authority Product Approval Scheme (HAPAS) status in 2012.
Case Study: Heads of the Valley
For Network Solutions
Our comprehensive range of network solutions provide below-ground access and cable protection for applications such as street lighting and gantry power.
Subterra access chambers are available in a range of sizes and loading capabilities, from Subterra Light, a small, lightweight solution for street lighting to Subterra MCX, a bespoke sized offering designed for Motorways and heavily trafficked areas, delivered direct to site complete with N-Force structural support and accessories to support safe access for engineers.
Ridgiduct provides impact resistant cable protection with a smooth bore, thanks to its twin-wall design, for easy installation of cables.
For Surface Water Drainage
Our engineered solutions provide Highways projects with reliable drainage systems that perform under consistent load, and cope with the sudden changes in demand due to variable weather.
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Ridgidrain twin-wall carrier system efficiently collects and conveys surface water away from the network. Its twinwall construction and material design ensures high stiffness, strength and durability which ensure its 60 year design life beneath carriageways, verges and embankments.
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For applications needing a larger diameter, Ridgistorm-XL provides conveyance and storage up to 3m in diameter. Provided in a range of SN Classes, Ridgistorm-XL is ideal for deep burial and very high load conditions. Ridgistorm is ideal for larger road schemes where its light weight nature make it fast to implement and with reduced risk in health & safety.
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For attenuation, Polystorm is a versatile geocellular, sustainable drainage solution that can be installed beneath carriageways or on adjacent land to hold water and release it at a controlled rate minimising flood risk.
A New Way Of Thinking
As an alternative solution to surface water management, Permavoid can be used in a number of ways to hold water at source without the need for traditional conveyancing. Rain Gardens can be used at the side of road to capture surface water run-off and either attenuate or reuse through passive irrigation to nourish grasses or plants on the surface, this not only prevents excess water from overwhelming the network but creates a green space.
Permavoid, Permachannel & Biomat
Permavoid can also be used under the carriageway as a subbase replacement to provide shallow attenuation and when combined with Permachannel and Biomat, can also trap harmful oils and sediment before being dispersed.
Discover Permavoid as a Sub Base Replacement
