Soakage CratesSoakaways are used to collect surface runoff prior to being discharged into the surrounding soil. They are usually employed in areas where the surface run-off cannot be disposed into existing streams or ditches.

A conventional soakaway comprises a partially perforated cylindrical chamber, which allows the drainage of water into the surrounding soil.

Where the soakage must take place at depth a deep bored liner is used. Here the water is transported from a sealed storage chamber to the soakage medium by a small diameter plastic or steel pipe, again perforated in part.

There are a number of site investigation permeability tests for determining whether soakaways may work effectively. These range from small to large scale. Small-scale tests are only applicable to draining relatively small areas. We have our own ground investigation plant and equipment and can offer the following test methods:

  • NHBC: Chapter 5.3; Percolation Test for Surface Water Soakaways (Small-scale)
  • BS 6297: 2007; Percolation Test for Septic Tank Insulations (Small-scale)
  • BS 5930: 1999; Falling Head Test in Boreholes (Small-scale)
  • BRE Digest 365: 1991; Falling Head Test in Trial Pits (Large-scale)
  • BS 5930; 1999; Constant Head Test in Boreholes (Large-scale)

Sustainable drainage systems (also known as SUDS) offer an alternative approach to traditional drainage. SUDS employ alternative techniques for the effective management of drainage at source including swales, detention/attenuation ponds, permeable pavements, rainwater harvestings and integrated constructed wetlands, all of which aim to detain run-off and release it slowly into watercourses or to ground.

We have developed our own specialist in-house software programmes to assist our engineers to provide timely and cost effective design solutions.

Get in touch

If you have any questions about our services or would like to discuss how we could help you, please get in touch using our contact form below. Please provide as much information as possible about the nature of your enquiry, particularly the purpose of the investigation, the site address and postcode.

Any existing or proposed site plans are useful and can be attached beneath the message box. Please provide a contact address, email and telephone number. We will get in touch as soon as possible.

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