#27 Stairs and Stairways

  • Are stairways equipped with stair rails, handrails, treads, and/or landings?
  • Are all stairways at least 24 inches wide?
  • Do stairs have at least a 6’6” overhead clearance?
  • Do stairs angle no more than 50 and less than 30 degrees?
  • Are stairs of hollow-pan type threads and landings filled to noising level with solid material?
  • Are riser height and tread depth uniform within each flight of stairs, including any foundation structure used as one or more treads of the stairs – variations in riser height or tread depth shall not be over 1/4-inch?
  • Are step stairs and stairways designed or provided with a surface that renders them slip resistant?
  • Is the height of stair rails not less than 34 inches or more than 38 inches from the upper surface of the stair rail to the surface of the tread, in line with the face of the riser at the forward edge of the tread?
  • Do temporary handrails have a minimum clearance of 3 inches (8 cm) between the handrail and walls, stair rails, and other objects?
  • Are stairways handrails capable of withstanding a load of 200 pounds, applied in any direction?
  • Where stairs or stairways exit directly into any area where vehicle may be operated, are adequate barriers and warnings provided to prevent employees stepping into the path of traffic?
  • Do stairways landings have a dimension measured in the direction of travel, at least equal to the width of the stairway?
  • Is the vertical distance between stairway landings limited to 12 feet or less?