Answers . 30 May 2007                     
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    NEXT WEEK

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    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

    Solution to Last Week's Puzzler
    Architecture Puzzler #335

    Question

    Recycle quiz:
    a) Recycled aluminum requires about 5, 20, or 35 percent of the energy required to produce virgin aluminum from bauxite?
    b) Recycling one ton of paper saves what volume of landfill?
    c) Construction and demolition waste constitute about what percentage of the total solid waste stream in the United States 20, 40, or 60 percent?

    Answer

    a) Using recycled aluminum takes about 5 percent of the energy that would be required to produce virgin aluminum from bauxite.
    b) Recycling one ton (0.9 metric tons) of paper avoids the processing of about 17 trees and the filling of 3 cubic yards (2.3 cubic meters) of landfill space.
    c) Construction and demolition waste make up about 40 percent of the solid waste stream in the United States.
     


     

    Okay, got it? Now try this week's Puzzler:

    http://www.ArchitectureWeek.com/quiz.html


     

    Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

    Quizzical Pursuit is Copyright 2007, Dave Guadagni.

    AW

    ArchWeek Image

    Demolition of St. James Hall, engraving by Sir Muirhead Bone.
    Image: www.arttoday.com

     
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