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ANSI ASC A14.4-2009

American National Standard Safety Requirements for Job Made Wooden Ladders

This safety standard prescribes minimum requirements and recommendations for the construction, design, installation, and use of job-made wooden ladders in order to minimize personal injuries. This standard does not cover portable manufactured or portable job-made ladders, permanent fixed ladders, or mobile-equipment ladders.

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American Ladder Institute [ali]

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