Perforated pipe – Soakaway systems
Expert soakaway design options
We determine the suitability of a design by understanding the capacity of the soil to infiltrate water (the ‘infiltration coefficient’). We check the existing or historic groundwater levels to make sure the invert of the intended soakaway is at least 1m below and we also look at the plan area available for the soakaway unit.
SuDS
Easy to maintain
Choice
Versatile

Applications:
- Dispose of stormwater from buildings
- Paved areas
Steel: The smarter choice
ViaCon Storm Solutions
Case studies

Welcome to the ViaCon design toolkit
Contact your local ViaCon representative
A soakaway system is an underground drainage solution designed to effectively manage stormwater runoff. It collects rainwater from surfaces like buildings and paved areas and allows it to gradually soak (infiltrate) into the surrounding ground in a controlled manner, which is a key principle of Sustainable Drainage Systems (SuDS).
We offer highly versatile and customized solutions to fit any situation. This includes systems built from:
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Perforated Pipe Systems: Available in diameters from 0.3m to 3.6m.
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Vertical Rings: An alternative configuration for different site constraints.
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Combination Systems: A hybrid of pipes and rings for complex designs.
Pipes can be made in any length from 3m to 12m to perfectly suit your project’s needs.
We provide a full design service using the latest software. To ensure the design is suitable and effective, we analyze three key factors:
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Soil Capacity: We determine the soil’s ability to absorb water (the infiltration coefficient).
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Groundwater Levels: We check that the base of the soakaway will be at least 1 meter above the highest known groundwater level.
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Available Space: We assess the physical area available for the soakaway unit.
Our systems are designed for easy maintenance. They can be pre-fitted with access shafts and ladders, allowing for straightforward inspection and cleaning to ensure optimal performance throughout their lifespan.
They are primarily used to manage and dispose of stormwater runoff from impermeable surfaces, such as the roofs of buildings and large paved areas like car parks, roads, and driveways.
Choosing ViaCon means you get a fully supported, versatile solution. We offer a complete design service, a wide choice of system types and sizes, and products that are engineered for easy maintenance. Our expertise ensures you get an effective SuDS solution tailored to your specific site.