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RE: crane runway

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I expect that you're right. I assumed the same, but since I don't 
know the UBC, I was reluctant to make that decision.

On 10 Apr 2005 at 10:50, akester wrote:

> I may be off here, but at least for the crane part of the design, I
> would think that impact/stopping loads would outweigh (pun intended)
> any seismic loading. Especially on a 60 ton crane. 120,000lbs x 0.2=
> 24kip seems like a pretty sizeable lateral load, compared to seismic
> loading on just the crane. I do not know how the crane structure
> interacts with the rest of you building so I cannot comment on that...
> HTH,
> Andrew Kester, PE
> Structural Engineering Consultant
> Lake Mary, FL 

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