Section SPS 377.05 - Stairways(1) Inside stairways at a steeper angle than 45º with the horizontal are not accepted as exits. No stairway will be accepted as an exit if it is necessary to go up stairs in order to reach the head of the stairway.(2) Outside stairways heretofore constructed on buildings not more than 2 stories in height will be accepted if properly constructed and in good condition.(3) Stairways and steps which have more than 3 risers shall have handrails on both sides. Rails shall be not less than 2 feet 6 inches vertically above nose of treads, or 3 feet above a platform.(4) If a closet is located under any non-fire-resistive stairway which serves as an exit from a theater or assembly hall, such closet shall not be used, but shall be kept empty and locked.Wis. Admin. Code Department of Safety and Professional Services SPS 377.05
1-2-56; renum., Register, September, 1974, No. 225, eff. 10-1-74.