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ladder design....

Posted by rbigg (My Page) on
Wed, Nov 24, 10 at 22:13

I've heard that ladder manufacturers are supposed to make ladders safe at twice their rated rung strength (250lb ladder will hold 500lb safely). Is there any truth to this??? Just curious.


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RE: ladder design....

OSHA requires that ladders support 4 times their rated load, except that extra-heavy-duty ladders support 3.3 times rated load.

Here is a link that might be useful: OSHA 29CRF Part 1926.1053


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RE: ladder design....

Wow!!! 4 times the rated is heavy! 3.3 times it isn't light!!

I had no idea it was that way. I figure twice was good enough!


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