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Re: Jib crane impact factor

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I know it was in the green ASD manual.  And, I believe also in the NDS for
wood.

On Wed, Jul 3, 2013 at 10:57 AM, Drew Morris <dmorris(--nospam--at)bbfm.com> wrote:

> I am evaluating an existing column to determine whether it can handle an
> upgraded jib crane.  The owner whats to swap out the 1/2 ton crane with a 
> 1 ton crane.  Somewhere i saw that the crane live load is multiplied by 
> an impact factor of 2, but i can't find the code reference.  Any ideas?
> 
> --
> *Drew Morris, PE*| /Project Engineer/
> BBFM Engineers, Inc. <http://www.bbfm.com/>
> 510 L Street, Suite 200 | Anchorage, Alaska 99501
> Ph: (907)274-2236 | Fax: (907)274-2520 | Web: www.bbfm.com
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David Topete, SE

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