Three Waters - Stormwater Flashcards
1
Q
What is Low Impact Development/Design (LID)?
A
-Comprehensive, landscape-based approach to
sustainable development
- Set of strategies to maintain existing natural
systems, hydrology, ecology
- Cost-effective, flexible approach based on a toolkit
of simple techniques
- Collection of practices that have been implemented
internationally
2
Q
What is Water Sensitive Urban Design (WSUD)?
A
- To manage the water balance (considering groundwater and stream flows, along with flood
damage and waterway erosion) - To maintain and where possible enhance water quality
- To encourage water conservation
- To maintain water-related environmental and recreational opportunities
3
Q
permeable paving application
A
- Parking stalls
- Overflow parking
- Driveways
- Walkways and plazas
4
Q
what is bioretention
A
- Excavation filled with engineered soil mix with Herbaceous perennials, shrubs, trees
5
Q
how fast does ponded water infiltrate with bioretention
A
within 72 hours
6
Q
applications of bioretention
A
- Parking lot islands
- Median strips
- Rooftop runoff
- urban retrofits
- high density areas
7
Q
Green Roof Systems
A
Runoff Reduction by 50%, Reduce Heating/Cooling Costs
8
Q
lid for sewer is
A
reduces sewer overflows
