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Author Question: On a winder stairway, the winder tread width at a point 12 from the narrower end of the winders must ... (Read 24 times)

fbq8i

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On a winder stairway, the winder tread width at a point 12 from the narrower end of the winders must be
  _____.
 
  a. at least 9
  b. two-thirds the tread width in the straight portion of the stairway
  c. 10-12
  d. equal to the tread width in the straight portion of the stairway

Question 2

Shop-built stairs are usually smaller than the finished width of the stairwell by _____.
 
  a. 1/2
  b. 1
  c. 1-1/2
  d. 2



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reversalruiz

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Answer to Question 1

d

Answer to Question 2

a





 

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