Water Sensitive Urban Design
14 important questions on Water Sensitive Urban Design
Which water design concepts are there in Urban Design?
- Low Impact Development (LID)
- f.i. USA
- Sustainable Drainage Systems (SuDS)
- f.i. UK
- Water Sensitive Urban Design (WSUD)
- f.i. AUS, NL, UK
What is Low Impact Development (LID)?
What is a Sustainable Drainage System (SuDS)?
Key principles:
- storing runoff and releasing it slowly (attenuation)
- allowing water to soak into the ground (infiltration)
- slowly transporting water (conveying)
- filtering pollutants
- allowing sedimentation by controlling flow of water
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What is Water Sensitive Urban Design (WSUD)?
WSUD develops integrative strategies for ecological, economical, social and cultural sustainability.
WSUD vs. LID / SuDS
- WSUD implements best practice guidelines
- f.i. SuDS, LID, BMP's
- LID and SuDS are non-holistic approaches, generally applied in isolation or at the minimum legislative level
- WSUD implies a planning approach in an urban water management transition towards water sensitive cities
What are the steps in the Urban Water Management Transitions Framework?
- Water Supply City
- Access to water
- Supply hydraulics
- Sewered City
- Public Health Protection
- Separate Sewage schemes
- Drained City
- Flood protection
- Drainage channelisation
- Waterway City
- Social amenity, environmental
- Point & diffuse source pollution management
- Water Cycle City
- Limits on natural resource
- Diverse, fit for purpose
- Water Sensitive City
- Inter-generational equality
- Adaptive, multifunctional infrastructure
What does Water Sensitive Urban Design (WSUD) incorporate?
- Integrated management of all water
- Beneficial use of surface runoff
- Reuse of wastewater
- Vegetation for treatment
- Water saving measures
What are the water effects in the 21st century?
- Flooding
- Water in the streets
- Water shortage and droughts
- Heat stress
How do we deal with challenges in the urban water system?
- Water quantity
- flood control
- restrict drought
- Water quality
- reduction of emissions
- ecology
- Spatial planning
- zoning
- urban design
What are the three pillars of a Water Sensitive City?
- Building flexibility and adaptability in our water sources
- Green infrastructure
- Building a social and institutional capital
What are examples of design elements in Water Sensitive Urban Design (WSUD)?
- Green roofs
- Permeable pavements
- Rainwater harvesting
- Infiltration trenches/basins
- Filter drains
What is Water Sensitive Urban Design (WSUD) affected by?
- Land use
- Slope of terrain
- Groundwater depths and dynamics
- Soil type
- Climate characteristics
What is the Urban Drainage Manual (UDM)?
What are the responsibilities mentioned in the Urban Drainage Manual (UDM)?
- Storm water Runoff
- Discharge sewage
- Maintaining groundwater levels
- Incorporate best-practice guidelines
- f.i. SuDS, WSUD etc)
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