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Advertising supplement provided by American Hydrotech, Inc.

By Celeste Allen Novak, AIA, LEED AP

AIA/Architectural Record Continuing Education

Instructions

• Read the article "Designing with Green Roofs: Maximizing Sustainability and Stormwater Management"
• Complete the questions below, then fill in your answers .
• Fill out and submit the AIA/CES education reporting form in the magazine or print the form to receive one AIA learning unit.

Questions:

LU: 1 HS: 1

1. What is the most important element of a green roof?
a. A quality membrane designed for a wet environment
b. Inspection chambers
c. 18-inch vegetation free zone
d. Insulation

2. Plants should be selected based on which criteria:
a. Size
b. Root system
c. Drought resistance
d. All of the above

3. Intensive green roofs are:
a. Always 3-inches thick
b. Low maintenance
c. Require no irrigation
d. Pedestrian friendly

4. The weight of an extensive green roof is calculated by:
a. Thickness of the membrane
b. Type of plants
c. Thickness of the growing medium, type of plants, and the weight of the components
d. None of the above

5. The benefits of green roofs are:
a. Improved water quality
b. Reduced impervious surfaces
c. Reduce the heat island effect
d. All of the above

6 Growing medium for a green roof may contain all but which of these materials:
a. sand
b. mica
c. slate
d. scoria

7. Vegetation-free zones, typically consisting of pavers at the building's perimeter edge, serve all of the following purposes except which?
a. Create a fire break
b. Provide ease of access to flashing
c. Replace the need for drains
d. Offer wind uplift protection

8. An essential part of rainwater storage on a green roof:
a. Waterproofing
b. Drainage assembly
c. Flashing
d. Ballast

9. Green roof manufacturers should:
a. Provide only the roof components, not the plants
b. Provide and warranty all components including the growing medium
c. Provide certifications from English testing agencies
d. Provide netting for geese

10. Roof pitch for an extensive green roof can be up to:
a. 0 degrees
b. Less than five percent slope
c. Less than 45 percent slope
d. Planted the same way on each side of the slope

Click here to print the reporting form.