1 OSHA is an agency responsible for workplace safety, read its rule and sketch a diagram that shows the proper relationship between the ladder, wall and ground 2. Calculate the angle that the ladder makes with the ground using a trigonometric ratio.
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Falls from portable ladders (step, straight, combination and extension) are one of the leading causes of occupational fatalities and injuries.
Read and follow all labels/markings on the ladder.
Avoid electrical hazards! – Look for overhead power lines before handling a ladder. Avoid using a metal ladder near power lines or exposed energized electrical equipment.
Always inspect the ladder prior to using it. If the ladder is damaged, it must be removed from service and tagged until repaired or discarded.
Always maintain a 3-point (two hands and a foot, or two feet and a hand) contact on the ladder when climbing. Keep your body near the middle of the step and always face the ladder while climbing (see diagram).
Only use ladders and appropriate accessories (ladder levelers, jacks or hooks) for their designed purposes.
Ladders must be free of any slippery material on the rungs, steps or feet.
Do not use a self-supporting ladder (e.g., step ladder) as a single ladder or in a partially closed position.
Do not use the top step/rung of a ladder as a step/rung unless it was designed for that purpose.
Use a ladder only on a stable and level surface, unless it has been secured (top or bottom) to prevent displacement.
Do not place a ladder on boxes, barrels or other unstable bases to obtain additional height.
Do not move or shift a ladder while a person or equipment is on the ladder.
An extension or straight ladder used to access an elevated surface must extend at least 3 feet above the point of support (see diagram). Do not stand on the three top rungs of a straight, single or extension ladder.
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