Architecture, Hot and Cold

The collaboration between two Australian firms on Melbourne's new Council House 2 shows off the design possibilities for building-integrated HVAC

January 2008

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By Russell Fortmeyer

Instructions

Read the article "Architecture, Hot and Cold".
Complete the questions below, then fill in your answers.
Fill out and submit the AIA/CES education reporting form in the magazine, securely online to receive one AIA learning unit.

Questions:

Program Code: 018EDIT1
LU: 1

1. Artificial systems designed to "mimic" the processes of nature are called which?
a. mime
b. geomimicry
c. biomimicry
d. animation

2. Why was natural ventilation not used for CH2?
a. the outdoor temperatures were not conducive
b. condensation was a major problem
c. a narrow floor plate would not work for this type of building
d. noise and air quality concerns

3. Night flushing of each floor lowers the office's temperature by how much?
a. 1 to 2 degrees
b. 4 to 5 degrees
c. 6 to 7 degrees
d. 9 to 10 degrees

4. Air-handling units supply filtered outdoor air to which?
a. slots in the ceiling panels
b. panels under the precast-concrete ceiling units
c. cast-concrete ducts running down the building's side
d. roof-mounted wind turbines

5. Warm air is exhausted through all except which?
a. building-integrated shafts on the structure's north side
b. panels under the precast-concrete ceiling units
c. slots in the ceiling panels
d. roof-mounted wind turbines

6. The use of radiant panels attached to the underside of a precast-concrete ceiling unit is called which?
a. radiant heating
b. workstation diffusers
c. cavities for exhaust air
d. chilled beam

7. How do phase-change materials work?
a. they collect and then release energy
b. they keep water from turning into steam
c. they lower the freezing temperature of the material
d. they eliminate condensation

8. What is the purpose of the "shower towers"?
a. they catch rainwater
b. they water the plants on the north elevation
c. they provide chilled water to the mechanical system
d. they purify the nonpotable water

9. The sewage-mining plant supplies which?
a. desalinization
b. CH2's nonpotable water requirements
c. 12,000 gallons of raw sewage per day
d. CH2's potable water requirements

10. Which is the ultimate reason for the environmental strategies deployed at the CH2?
a. energy saving
b. water saving
c. design equity
d. comfort of the occupants

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