- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 29 Mar 2019
According to BRE Digest 365 Soakaway design:
‘Soakaways are used to store the immediate surface water run-off from hard surfaced areas, such as roofs or car parks, and allow for efficient infiltration into the adjacent soil. They discharge their stored water sufficiently quickly to provide the necessary capacity to receive run-off from a subsequent storm.’
Traditionally they have been used as a way of disposing of surface water in areas that are remote from public sewers or watercourses, instead allowing rainwater to infiltrate directly into the ground. However, recently they have also been used in fully-sewered areas to limit the impact of new building works and to avoid the cost of upgrading sewers.
They can be square, circular, or trench excavations and can be filled with rubble, or lined with brickwork, plastic cells, perforated pre-cast concrete ring units or similar structures. They can also be deep bored.
 Related articles on Designing Buildings Wiki
- Catchment flood management plans.
- Detention pond.
- Flood and Water Management Act.
- Flood insurance.
- Flood risk management plan.
- Flood risk.
- Future Water, The Government’s water strategy for England.
- Groundwater control in urban areas.
- Highway drainage.
- Pitt Review.
- Planning for floods.
- Pumps and dewatering equipment.
- Rainwater downpipe.
- Rainwater harvesting.
- Safe working in drains and sewers.
- Sewer construction.
- SuDS - is there light at the end of the tunnel?
- Sustainable urban drainage systems.
Featured articles and news
We have a great range of introductory articles written by ECA.
7 of the most common myths, busted.
Consider a career in the electrotechnical industry.
Exploring local assets of community significance. Book review.
Wood-burning stoves should not be used in thatch-roofed buildings.
Servitisation, smart systems and connectivity.
What happens to the Construction Products Regulation if there is no Brexit deal.
The first step to long-term prosperity.
The status and rights of employees in construction
Continuing to share environmental best practice.
The employee assistance programme EAP.