What is the meaning of Harae? How popular is the baby name Harae? Learn the origin and popularity plus how to pronounce Harae
The minimum width of stairways is 36. Handrails may project into the required width a distance of 3 Â½ from each side of a stairway. Stringers and other projects such as trim and similar decorative features may project into the required width 1 Â½ on each side.
Step length  The riser is about seven (7) inches. The depth of the step is about seven to eight. There is a formula for calculating the number of steps one should have for â¦ a particular height -- 8 foot, 10 foot, and the like.    Stairs are built on a 7-11 risers being approx. 7 and the tread being approx.