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Quizzical Pursuit
—The Architecture Puzzler
Created by Dave Guadagni
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Architecture Puzzler #262
Commonly, in nonresidential construction, stairs are designed to have a 7-inch (178-millimeter) riser and an 11-inch (279-millimeter) tread. If you used a 6-inch (152-millimeter) riser what would you expect the tread length to be? How about the tread length for a 5-inch (127-millimeter) riser?
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Question from Last Week:
Architecture Puzzler #261
Under what conditions might you specify a slip sheet under a new concrete slab? Would you require a granular bed above or below the slip sheet? And would you accept a slip sheet if it becomes punctured?
Answer to Puzzler #261
Come back next week for the answer to Architecture Puzzler #262!
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http://www.ArchitectureWeek.com/quiz.html
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Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects
Quizzical Pursuit is Copyright 2005, Dave Guadagni.
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Grand staircase of the British House of Commons.
Image: www.arttoday.com
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