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Re: Fire truck loads

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Dear Kevin,

Most likely the biggest load will be the outrigger reactions.  My old
office had a similar situation, and I don't think we were successful in
finding out these loads (remember they will vary from manufacturer to
manufacturer ands size to size).

Patrick Rodgers

> I need to check an existing concrete slab over a parking garage for
> the
> weight of a fire truck of 80,000 lb.  The client thinks he has the
> structural drawings for the slab (hallelujah!) so I will know the
> reinforcement and concrete design strength.
> Is there a standard load configuration for a fire truck in any of the
> US
> codes ?
> Any ideas about what the maximum wheel load or axle load might be with
> the ladder up ? (It's alongside an 11-storey building).
> What area of tire contact should be used ?  I usually calculate tire
> contact areas by dividing the wheel  load by the tire pressure, but
> what
> tire pressure so they use typically with big tires like this ?
> Any ideas and help would be appreciated.
> Kevin Below, Quebec

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