Section SPS 379.05 - Stairways(1) Inside stairways at a steeper angle than 45º with the horizontal are not accepted as exits. Every new stairway shall comply with the requirements of s. Ind 51.16, 1956.(2) Every stairway which serves as an exit shall lead to a separate exit door.(3) Outside stairways heretofore constructed on 2-story buildings will be accepted if in good condition.(4) All stairways and shaftways within buildings in the classification described in ss. SPS 379.001 and which are 379.013 or more stories in height shall be enclosed with partitions, including doors, of not less than one-hour fire-resistive construction.(5) Except that one stairway may be unenclosed in the first story provided it does not lead to the basement.(6) All stairways and steps of more than 3 risers shall have at least one handrail. Stairways and steps which are 5 feet or more in width, or which are open on both sides, shall have a handrail on each side. Rails shall be not less than 2 feet 6 inches vertically above nose of treads or 3 feet 6 inches above platform.Wis. Admin. Code Department of Safety and Professional Services SPS 379.05
1-2-56; renum. and am., Register, September, 1974, No. 225, eff. 10-1-74; corrections made under s. 13.93(2m) (b) 4 and 7., Stats., Register, June, 1995, No. 474; correction in (4) made under s. 13.92(4) (b) 7, Stats., Register December 2011 No. 672.