To get Excel to properly display the result: 1  Select the cell. 2  Format the cell as General. (Right-click the cell, select Format Cells, and choose General.) 3  Delete the = at the beginning of your formula, and hit Enter.  Insert the = back in the formula at the beginning.
Stairways shall be maintained clear and in good repair. (Title 24, Part 2, Section 2-3305(s).). (e) Circular Stairways. Circular stairs may be used as an exit providing the minimum width of run is not less than 10 inches and the smaller radius is not less than twice the width of the stairway. All treads in any one flight between landings shall have identical dimensions within a three-eighths inch tolerance.
1 Consider carpet quality, design, and length and width. 2  Standard stair is 30 inches (76.2 cm) wide. 3  Allowing for 3 inches (5.08 cm) on either side to display the wood, you need 24 inches for each stair step and riser.