You are hired as a general contractor to construct a staircase. It is a straight run stair with a total vertical distance between floors of 13'6". Calculate: Total number of risers Height of each riser Number or treads Width of each tread (2R + T = 25) Total horizontal run of the stair Show all steps and calculations. Draw at a scale 1/4 inch = 1.0 inches a cross section through the stair on 8 1/2" x 11" plain paper.
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