Fall Protection Clearance
Required clearance below anchor = free-fall + decel + worker height + harness stretch + safety factor; pass/fail vs actual clearance to next lower level.
Formula and source
Required clearance = free-fall + decel + worker_height + harness_stretch + safety_factor. Compared against the user-entered actual clearance below the anchor. Negative remaining clearance flags FAIL.
OSHA 29 CFR 1926.502 (Fall protection systems criteria) by section. ANSI Z359 (Fall Protection and Fall Restraint) by name. Manufacturer connector-decel benchmarks from data/cross/fall-protection-benchmarks.json.
Audience
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