Construction Site Safety - Ladders & Stairways

Who should inspect a ladder for structural damage, split rungs, or other contaminants?

• A competent person

• A supervisor

• A coworker

• An engineer

What should be done if a ladder is found to be defective?

• It should be repaired immediately

• It should be marked with 'Do Not Use'

• It should be used with caution

• It should be discarded

What is the minimum clear distance between the sides of individual rung ladders/step ladders and the nearest permanent object? (fixed ladder)

• 24 inches

• 30 inches

• 42 inches

• 16 inches

A fixed ladder should be equipped with ladder safety devices, self-retracting lifelines, and rest platforms when the ladder exceeds what length/height?

• 20 feet

• 24 feet

• 30 feet

• 15 feet

Each step or rung of a fixed ladder must be able to support what minimum load applied in the middle of the step or rung?

• 200 lbs

• 300 lbs

• 250 lbs

• 350 lbs

A landing platform must be provided if the step across distance is greater than what distance?

• 2 feet

• 3 feet

• 18 inches

• 12 inches

The standard guardrail system for the unprotected sides and edges of stairway landings must be what height?

• 35 inches

• 3 feet

• 42 inches

• 21 inches

Handrails at the top rails of the stair rail systems must be able to withstand what minimum weight?

• 200 lbs

• 300 lbs

• 150 lbs

• 50 lbs

When portable ladders are used for access to an upper landing surface, the side rails must extend at least _________ above the upper landing surface?

• 3 feet

• 2 feet

• 1 foot

• 4 feet

Extra heavy-duty type 1A metal or plastic ladders must sustain ____________ times the max intended load? (portable ladders)

• 4

• 3.3

• 4.3

• 3