[ Page 6 of 6 ]

By Joann Gonchar, AIA

AIA/Architectural Record Continuing Education

Instructions

• Read the article "Rooftops Slowly, but Steadily, Start to Sprout"
• 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

1. Contemporary green roofs have their roots in which?
a. German technology
b. nonprofit industry
c. hanging gardens of Babylon
d. sod-covered Scandinavian buildings

2. Characteristics of extensive green roofs include all except which?
a. they are lightweight
b. use a wide variety of plant materials
c. require little maintenance
d. require little irrigation

3. Characteristics of intensive green roofs include all except which?
a. a gardenlike environment
b. deeper soil
c. require fertilization
d. hardy, drought-resistant plants

4. The benefits of a planted rooftop include all except which?
a. provide heat and sound insulation
b. mitigate urban heat-island effect
c. increase storm-water runoff
d. create habitat for birds

5. Research supports the claim that green roofs are which?
a. contributors to combined sewer overflows
b. contributors to desirable heat gain in winter
c. well suited for North American climate
d. a substitute for insect habitats

6. Green roof technology is most prominent where?
a. in areas with hot, dry climates
b. in areas where policies and incentives encourage the technology
c. in Washington, D.C.
d. in New York

7. Where is a green roof considered an acceptable storm-water-management practice?
a. in General Services Administration buildings
b. in Seattle
c. in some municipalities comprising Chesapeake Bay’s watershed
d. in Chicago

8. The Portland Building is getting a green roof for which reason?
a. the city offered a bonus to building owners who incorporate a green roof
b. all city buildings must have a green roof when their roof is replaced
c. all new city buildings must have a green roof
d. all GSA buildings must have a green roof

9. Why do green roof advocates say incentives are necessary
a. to offset the cost of adding green roofs to a building
b. even if the green roof substitutes for other storm-water management, the
roof still costs more
c. there are public benefits to green roof installations
d. all of the reasons above

10. Research in five test plots in Seattle has shown which outcome?
a. Seattle is too soggy for green roofs to help storm-water management
b. green roofs do better in cloudy, rainy climates
c. green roofs need special considerations in rainy climates
d. green roofs can be an effective storm-water-management technique

Click here to print the reporting form.