Cranes, hoisting and rigging
CHST written lesson, 13 min read. CHST Domain 1: Hazard and Risk Identification and Control
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
- Choose the correct power line option and clearance distance from Table A
- List the encroachment measures required when working near energized lines
- Verify load weight against rated capacity (75 percent trigger) and apply the 90 percent line-pull brake test
- Identify who must develop procedures and make safety decisions for a lift
- Apply sling inspection, removal criteria and the sling-angle calculation
What this lesson covers
This lesson covers how to keep cranes clear of power lines, how to verify a load against rated capacity, and how to inspect and use slings, including the sling-angle calculation. These are the rules the exam tests most often and the ones that decide whether a lift ends safely.
This lesson is included with a pass
Written lessons come with every CHST 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 cranes, hoisting and rigging practice questions