(PDF) AISC-Design Guide 34 Steel-Framed Stairway Design ...
AISC DESIGN GUIDE 34 / STEEL-FRAMED STAIRWAY DESIGN / 65 fMember self-weight at sloping stringer: wsw = 1.19 (20.7 lb/ft) (1 kip/1,000 lb) = 0.0246 kip/ft Because the inside stringer will also support the weight of the guard and handrail assembly, an additional dead load of 20 lb/ft is added.