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