Site Selection/Design and Water Efficient Practices - QUIZ1. Name two impacts of the current infrastructure practice of straight lines to low points.Answer: Lost biodiversity, low stream flows, increased heat, more flooding, energy impacts, water quality unsafe and unsanitary

2. Name three effects of impervious surfaces. Answer:a) Less infiltration of water and less replenishing the water tableb) More runoff into storm drains, and thus polluting our streams and waterwaysc) More heat island effect d) Less evapotranspiration

3. What are three basic Sustainable Stormwater Design Principles? Answer:

4. Give an example of how one of these design principles can be put into practice on a municipal level.Answer: a) Insert landscaping with bioswale in a street b) stormwater curb extensions

5. How does pervious paving work? Answer:

6. Name two types of pervious paving.Answer: Pervious concrete or asphalt with filter course, pervious joint concrete pavers set in sand bed, gravel surface with reinforcing grid, grass surface with reinforcing grid

7. What is the difference between a green roof and a living roof?Answer: Green roof can be a metal roof, or a roof made from sustainable materials. A living roof is a roof with vegetation, typically native, drought tolerant plants, irrigation and a waterproof membrane under the system.

8. Name at least three benefits of a Living wall.Answer: Water filtration, Storm-water conveyance, Storm-water detention, Reduction of cooling demand, Habitat for birds and butterflies, Air quality, Aesthetic benefit, Mitigate Urban Heat Island

9. What is greywater? Answer: Greywater is water from a sink, shower, tub or laundry.

10. What is not considered black water?Answer: Water from the kitchen sink, garbage disposal, dishwasher or toilet.

11. What are the benefits of a greywater system?Answer: Reduces the amount of potable water used for landscaping and toilet flushing, reduces the load on a septic system and waste treatment facilities, less water use saves energy , adds nutrients to the soil as it filters the waste water

12. How many gallons of water can be harvested on a 2000 SF standard roof with 1 of rainfall?a) 500 b) 600 c) 1,000 d) 1,200EASY METHOD (standard roof only): each 1,000 SF of catchment area - 1 of rainfall = 600 gallons Answer: 2,000 SF @ 1 rainfall = 1,200 gallons

13. What does LEED stand for?Answer: Leadership in Energy and Environmental Design

14. What are the perquisite points for Water Efficiency in the LEED system?Answer: There are no Prerequisites for Water Efficiency. There are five possible points.

15. What are the minimum points required for Green Point Rating?a) 32 b) 50 c) 52 d) 69 Answer: 50 points are required for Green Point Rating.

16. In the Green Point Rating system there are 47 possible points given for Water.The number required points for water are:a) 4 b) 6 c) 7 d) 9Answer: 9 points are required

17. Which fixture in a typical house uses the most water on a daily basis?a) shower b) washing machine c) toilet d) sinks

18. Name three practices for efficient use of domestic water. Answer:Distribute Hot Water EfficientlyInsulate Water Heater

Insulate Hot Water Pipes

Install On Demand Circulation Pumps

Locate Water Heater Within 12 of Fixtures

High Efficiency Toilets

Water Efficient Fixtures

. No Plumbing Leaks

19. How do you determine if there are leaks between the water main and the house?Answer: Turn off the main shutoff valve at the house and look to see if the meter is running.

20. What percentage of a homes water usage is typically for the landscaping?a) 10-20% b) 20-30% c) 30-60%Answer: 30-60% of a typical homes water usage is for the yard.