The SEL Source Control System is a complete Sustainable Drainage System (SUDS) that has been developed in line with current guidelines as set out by CIRIA, the Environment Agency and SEPA.

What are SUDS? 

The main design principle of the System is Source Control, a cornerstone of good Sustainable Design.

Why Source Control?

The System provides either infiltration or attenuation, incorporating multiple stages of water treatment and flow control within the constructed layers of car parks and other hardstandings, directly beneath the finished surface.

Overview of the SEL Source Control System when used to provide infiltration

 

Overview of the SEL Source Control System when used to provide attenuation

Key Features

• Complete Source Control SUDS solution for new build or retrofit development
• Replaces Oil Separators as defined by PPG3 (Pollution Prevention Guidelines)
• Six stages of water treatment available within the system
• Provides treatment at source by gravity separation and bio-degradation of oils and silts
• Provides attenuation or infiltration at source
• Replaces sub-base, minimises the requirement for imported aggregate
• Shallow construction, minimises residual excavated material
• Contributes to BREEAM ratings
• Satisfies designers’ risk assessments in accordance with CDM
• Reduces the requirement for chambers and pipes
• Improves water quality
• A practical solution for the retrofit of SUDS components into existing drainage schemes
• SEL Permavoid® and other system components are manufactured from recycled material and are also recyclable and reusable
• Resistant to frosts, salts and hydrocarbons

Dealing with the collection, initial treatment and control at source of rainwater runoff from roofs is an integral part of the surface water drainage design.

Solutions for Roofs

The SEL Source Control System can be installed in a variety of configurations using different types of surfacing.

Typical Configurations

The SEL Source Control System consists of a full range of components enabling you to design a fully integrated SUDS solution.

System Components

Technical Services

To support architects, engineers and contractors in designing and installing the SEL Source Control System, our Design Services Department offers computer aided scheme design, hydraulic performance calculations and advice on installation. Supply and install packages are available for elements of the system – information available on request.

Should you require assistance with a design please click here and complete our SUDS design request form.

In the meantime should you require advice or assistance please contact us on 01603 488700 or sales@althon.co.uk.