Design Guidance

The Water Framework Directive and Flood Risk Management

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A new e-learning module on the Water Framework Directive and Flood Risk Management has been published by the Environment Agency. This module is aimed at anyone who wants to find out more about the Water Framework Directive (WFD) and how it impacts flood and coastal risk management. It will be of particular interest to people […]

Retrofitting to Manage Surface Water: CIRIA

CIRIA’s seminal document on retrofitting SuDS represents a significant milestone in the development of SuDS thinking and practice in the UK. The document is the culmination of the work of leading UK experts and wide industry collaboration and goes far beyond a ‘how-to’ guide to outline a vision for transformational surface water management practices. It […]

Micro Drainage Part 1: Legislation for SUDS

This is the first in a series of papers that will deal with SUDS to develop and provide a systematic approach to sustainable drainage. This paper explores how recent changes to legislation and technology could aid long overdue implementation.

Micro Drainage Part 2: Planning for SUDS

The Flood and Water Management Act 2010 has clarified responsibility for the adoption and maintenance of SUDS. This paper explores how technology can help the developer, their consultant and the approving body (SAB) to plan and implement a sustainable urban drainage system (SUDS) from the outset.

Micro Drainage Part 3: Preliminary Design for SUDS

How to satisfy the SUDS philosophy of mimicking the natural drainage by providing optimum Quantity, Quality and Amenity (Biodiversity) value is often raised. This paper explores how site specific details should be analysed strategically before embarking upon the detailed design of an integrated SUDS system.

Micro Drainage Part 4: Detailed Design of SUDS

In the previous paper the site specific details were strategically analysed. This paper covers the detailed design of an integrated SUDS system. Part 4:  Detailed Design of SUDS

Anglian Water Sustainable Drainage Systems Guidance

Anglian Water has produced a guide on the use of Sustainable Drainage systems to help those involved in planning and implementing new developments. You can access the guidance here:

Islington Council Design Guide

The council has produced a detailed SUDS Design Guidance note to promote the use of sustainable drainage systems (SUDS) in Islington. You can view the guidance here:

Cambridge City Council Design Guide

To promote the use of sustainable drainage systems (Suds) within Cambridge, the council has taken the decision to adopt Suds that are located within public open space and produced the Cambridge Sustainable Drainage Design and Adoption Guide that sets out the council’s requirements. You can download the guide here:  

CIRIA – The SUDS Manual

The SUDS Manual (c697) provides best practice guidance on the planning, design, construction, operation and maintenance of Sustainable Drainage Systems (SUDS) to facilitate their effective implementation within developments. It can be downloaded free from the CIRIA website –

Guidelines for the Design and Attenuation of Storage Systems (ConFlo 88)

A seminal document for the design of storage systems. The guidance was put together, following a national survey of best practice and a groundbreaking conference, ConFlo 88. Its a much-referred to document, that still provides valuable guidelines today.