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Low Impact Urban Design & Development (LIUDD)
What is Low Impact Urban Design and Development or LIUDD ?
Low impact and water-sensitive approaches to urban development have been evolving in New Zealand since the late 1990’s. We see LIUDD as the mechanism for achieving:
- approaches that maximise natural values and minimise sediment and pollutant run-off and impervious areas.
- reduce the environmental footprint of urban areas on natural and reticulated waters, terrestrial and aquatic biodiversity, energy and material use and waste.
- more sustainable subdivision and development and improved urban catchment management.
LIUDD comprises design and development practises that utilise natural systems and low impact technologies. Key elements include working with nature, avoiding or minimising impervious surfaces, minimising earthworks in construction, utilising vegetation to assist in trapping sediment and pollutants.
LIUDD is a synthesis of a number of previous concepts:
LIUDD is LID + CSD + ICM (+SB)
LID = Low Impact Development
CSD = Conservation Sub-Divisions
ICM = Integrated Catchment Management
SB = Sustainable Building/Green Architecture
(Note that Low Impact Development (LID) is terminology that originated in North America. LID is referred to as Water Sensitive Urban Design (WSUD) in Australia and Sustainable Urban Design Systems (SUDS) in the UK)
Two documents released in 2005 that assist in explaining LIUDD are available below and should be read together.
- Low Impact Urban Design and Development
Principles for Assessment of Planning, Policy and Development Outcomes
720 KB - Figures and Tables to accompany above 286 KB
This is now the appendix to a recent (2009) illustrated report that provides explanation and case studies, and can be obtained from Manaaki Whenua Press - Low Impact Urban Design and Development: the big picture.
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