Stairway

The following items must be shown, detailed and/or noted:

  • Stair treads and risers (section R311.7.5, I.R.C.)
  • Stair tread nosing (section R311.7.5.3, I.R.C.)
  • Stair winders (section R311.7.5.2.1, I.R.C.)
  • Stair width and headroom (section R311.7, I.R.C.)
  • Stair landings (section R311.7.6, I.R.C.)
  • Stairway illumination (Section R303.7, I.R.C.)
  • Stair handrails (section R311.7.8, I.R.C.)

***Please Note: Openings for required guards on the sides of stair treads shall not allow a sphere 4 3/8 inches in diameter to pass through (section R312.1.3)

  • Spiral stairway (section R311.7.10.1, I.R.C.)
  • Under stair protection (City amended section R311.5.2, I.R.C.)