weight limits on 2x10 floor joist

[browningman]

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i have 2x10 floor joist 16" on center that span 13', i have a large piece of equiptment that is 30"x 26" that is very heavy, what load will these joist hold the piece of equiptment will cover 2 of the joist

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[JohnR66]

"browningman" wrote in message news:gQpIk.245$ [e-mail]...

Can you set the equipment so it is over the supports of the floor so the floor is actually carrying little weight? Is this a static weight or does the machine present a dynamic load due to moving parts and vibrations?

[EXT]

Proper cross bracing will spread the weight on adjacent joists. If you have concerns, why not double up the joists under the equipment.

"browningman" wrote in message news:gQpIk.245$ [e-mail]...

[Blattus Slafaly]

You could always put a beam across the two joists and a pole to the floor. That would ease your mind.

[Edwin Pawlowski]

Try here.

[Pete C.]

You need a lot more detail than that to determine if it's safe.

First off, 30" x 26" (5.4 sq. ft.) is not a large area, so it would be considered a point load.

Now, what is "very heavy"? Some people would consider 500# very heavy, though it's equal to a couple large people standing together. 2,000# would reasonably be considered very heavy.

Next, what other loads are on this section of floor? Is the underside accessible for providing additional support? Is there height available for a load spreading structure between the equipment and the floor? How about dynamic load like someone else mentioned? Big difference between a welder and a punch press as far as dynamic loading.