Steel erection work is moving several levels above the last completed floor. How close must a fully planked or decked floor or nets be maintained directly under the erection work?
Correct Answer
A) Within two stories or 30 ft, whichever is less
OSHA 1926.754(b)(3) requires a fully planked or decked floor or nets within two stories or 30 ft, whichever is less, directly under erection work being performed. Other choices use other limits or omit the under-work requirement.
Why This Is the Correct Answer
OSHA 1926.754(b)(3) requires a fully planked or decked floor or nets within two stories or 30 ft, whichever is less, directly under erection work being performed. Other choices use other limits or omit the under-work requirement.
Why the Other Options Are Wrong
Option B: Within four stories or 48 ft, whichever is less
Choice B (Within four stories or 48 ft, whichever is less) is rejected because Within four stories or 48 ft, whichever is less is a different published number than the cited Decked floor or nets value; 29 CFR 1926.754(b)(3) supports W.
Option C: Within eight stories
In metals work, Within eight stories is the wrong selection for Decked floor or nets: it answers the Decked floor or nets prompt with the wrong practical move.
Option D: Only at grade level
The trap in D is Only at grade level. That selection is wrong because it tries to bypass the Decked floor or nets checkpoint.
Memory Technique
File decked floor or nets under a switch: condition first, number or duty second, answer Within two stories or 30 ft, whichever is less.
Reference Hint
Open 29 CFR Part 1926, Subpart R - Steel Erection; use 29 CFR 1926.754(b)(3) to confirm that OSHA 1926.754(b)(3) requires a fully planked or decked floor or nets within two stories or 30 ft, whichever is less, directly under erection work being performed.
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