Water sensitive design Print

The Water Sensitive Design (WSD) approach aims to rely on natural components such as vegetation and soil media to cater for stormwater quality as well as enhancing urban environments. 
The main principles of WSD are to:
  • Promote inter-disciplinary planning and design
  • Protect and enhance the values and functions of natural ecosystems
  • Address stormwater effects as close to source as possible
  • Mimic natural systems and processes for stormwater management.
The benefits of WSD include protecting and enhancing natural waterways by limiting discharges of silt, suspended solids, and other pollutants into receiving waters.

As far as practicable, all future development in Auckland should apply the principles of WSD to minimise stormwater runoff volumes and peak flow rates and to improve the quality of stormwater runoff entering the receiving environment.

WSD principles shall be considered during the initial planning stage, developed during design and implemented at the construction stage of the project. Good planning and design early in the development process maximises the cost effectiveness of WSD.

Guidance on the implementation of WSD is available in the following documents:
  • Auckland Council guideline document GD2015/004 (Water Sensitive Design for Stormwater) – commonly known as GD04
  • ​SNZ HB44:2001 Subdivision for People and the Environment. 
The requirements of this Code of Practice take precedence over any guidance provided by the above documents.​​

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