34 Pa. Code § 47.125 - Reserved
Notes
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Steps in stairs shall be designed whenever practical to lack nosing. This requirement is in addition to the requirements of Chapters 49-59 that no treads may be less than 10 inches. It is recommended that steps, if possible and in conformation with existing step formulas, have risers that do not exceed 7 inches. Stairs shall have handrails 32 inches high measured from the tread at the face of the riser, and at least one handrail which extends at least 18 inches beyond the top step and beyond the bottom step.