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OSHA Crane Regulations 29 CFR 1926 Flashcards

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Read the first 7 OSHA Crane Regulations 29 CFR 1926 flashcards as text

  1. Under 29 CFR 1926.1410, a critical lift plan is required when a lift exceeds what percentage of the crane's rated capacity?

    Answer: 90%

    1926.1410 defines a critical lift as one that exceeds 90% of the crane's rated capacity, requiring additional planning and controls.

  2. According to 29 CFR 1926.1419, which hand signal indicates 'Stop' during crane operations?

    Answer: Arm extended, palm down, moving arm back and forth horizontally

    The standard OSHA hand signal for 'Stop' is the arm extended with palm facing down, moved back and forth horizontally.

  3. 29 CFR 1926.1441 applies to dedicated pile-driving equipment. Under this section, when must the leads be secured?

    Answer: At the end of each work shift and during breaks

    1926.1441 requires pile-driving leads to be secured at the end of each shift and during rest periods to prevent uncontrolled movement.

  4. Under 29 CFR 1926.1426, when lifting personnel with a crane, what is the maximum allowable speed for lowering and raising the personnel platform?

    Answer: Personnel platforms must be moved at a controlled, slow speed with no specific numeric limit

    1926.1426 requires personnel platforms to be raised and lowered in a slow, controlled manner; no specific numeric speed limit is stated, but erratic or excessive speed is prohibited.

  5. According to 29 CFR 1926.1413, what is the minimum number of wire rope dead wraps that must remain on the drum at all times during operation?

    Answer: 2 wraps

    1926.1413 requires a minimum of two dead wraps of wire rope to remain on the drum so the rope termination is not subjected to load stress.

  6. Under 29 CFR 1926.1407, who may authorize a crane to work closer than the standard Table A power line clearance distances?

    Answer: The utility owner or electrical utility operator, with required procedures followed

    1926.1407 permits reduced power line clearances only when the utility owner or electrical utility confirms the line is de-energized or grants specific authorization with procedures.

  7. 29 CFR 1926.1418 addresses authority and responsibility during crane operations. If an operator determines that a lift is unsafe, what action must the operator take?

    Answer: Refuse to perform the lift until the unsafe condition is corrected

    1926.1418 explicitly gives the operator the authority and responsibility to refuse any lift believed to be unsafe, and prohibits retaliation for exercising this right.