29 CFR 1926.502: Fall Protection Systems Criteria
29 CFR 1926.502 sets the criteria a fall protection system must meet to be compliant, the companion to 1926.501, which says when protection is required. It specifies guardrail dimensions and strength, personal fall arrest system limits, safety net requirements, hole covers, warning line and controlled access zone setups, and the duty to provide for prompt rescue. If 1926.501 is the duty, 1926.502 is the spec sheet: a guardrail top rail at 42 inches able to withstand 200 pounds, an arrest anchor rated to 5,000 pounds per worker, and arrest forces held to 1,800 pounds on the body.
The key numbers in 1926.502
| System | Requirement | Paragraph |
|---|---|---|
| Guardrail top rail | 42 inches (plus or minus 3), withstands 200 lb outward and down | 1926.502(b) |
| Personal fall arrest anchor | Rated to 5,000 lb per worker, or engineered with a safety factor of two | 1926.502(d)(15) |
| Arrest force on the body | Limited to 1,800 lb with a full-body harness | 1926.502(d)(16) |
| Free fall and deceleration | Free fall no more than 6 ft, deceleration distance no more than 3.5 ft | 1926.502(d)(16) |
| Hole covers | Support twice the maximum intended load, secured and marked | 1926.502(i) |
| Safety nets | As close as practicable, never more than 30 ft below, drop-tested or certified | 1926.502(c) |
| Prompt rescue | Employer must provide for prompt rescue after a fall | 1926.502(d)(20) |
Body belts are out; full-body harnesses are in
Since 1998, body belts are not acceptable for fall arrest under 1926.502; a full-body harness is required. The arrest system as a whole (anchor, connector, and harness) must limit the arrest force, keep free fall under 6 feet, and be rigged so a falling worker cannot contact a lower level. That last point is why fall clearance matters: even a compliant harness fails if there is not enough room below to arrest the fall.
Meeting 1926.502 in your documents
A site-specific safety plan should record which systems you are using and that they meet 1926.502, and your written safety program should set the company policy. TailgateDocs generates both, citing 1926.501, 1926.502, and 1926.503 from a verified standards table. Use the free fall clearance calculator to confirm your arrest system has the room it needs below the work surface.
Common questions
▸What is the difference between 1926.501 and 1926.502?
1926.501 is the duty, when fall protection is required (generally 6 feet in construction). 1926.502 is the criteria, what each system must meet to comply: guardrail strength, arrest anchor and force limits, net and cover requirements. You need both.
▸How strong must a fall arrest anchor be?
Under 1926.502(d)(15), an anchorage for personal fall arrest must support 5,000 pounds per attached worker, or be designed by a qualified person with a safety factor of at least two.
▸Are body belts allowed for fall arrest?
No. Body belts have not been acceptable for fall arrest since January 1, 1998. A full-body harness is required, and the system must limit the arrest force to 1,800 pounds.
Official sources
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