Ladders and stairways
ASP written lesson, 11 min read. ASP Domain 2: Safety Programs and Concepts
AI-drafted from the cited rules and fact-checked against them. Study aid, not site-specific safety advice. The official rule controls.
What you'll learn
- State the angle, landing and uniformity rules for construction stairways
- Distinguish stairrail, handrail and combined-rail heights and strength
- Apply the portable ladder extension and one-quarter angle rules
- Select fixed ladder fall protection from climb length and top height
- Identify inspection, defect and safe-use rules for ladders
What this lesson covers
This lesson covers the OSHA construction rules for stairways and ladders: stair geometry and rails, portable ladder setup, fixed ladder fall protection by climb length, and inspection and defect handling. These are numbers the exam tests directly, and they decide whether a crew can reach an upper level safely on a real job.
This lesson is included with a pass
Written lessons come with every ASP pass, along with the video lessons, the question bank, mocks and the tutor. $80 per exam or $143 for all three, for 180 days.
Try the free ladders practice questions
Visualize this
- Slide the ladder's foot and see when it breaks the 1/4 rule or the 3 ft extension.
An interactive diagram, included with every ASP pass.