Additional Question on Floor - Woodworking Talk - Woodworkers Forum
 
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post #1 of 2 Old 02-04-2010, 02:37 PM Thread Starter
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Additional Question on Floor

The area where I am going to build has a drop of about 4 feet over the width of the building. I wanted one area dug out so I could park a small tractor under it. I have decided to have it all graded for a natural basement. I like having the additional space. I have a friend who works in construction telling me floor trusses will be OK spanning the 24' with all the equipment above. My current house was built with floor trusses. I guess a side by side frig/freezes full of food weighs alot , along with a bathtub full of water and a washing machine full of water. My house floor seems very sound and spans a little over 30'. What the opinion ot there? I'm sure it will be varied but would like to hear!
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post #2 of 2 Old 02-04-2010, 04:39 PM
where's my table saw?
 
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Floor trusses and I joists

Floor trusses can be made to support your workshop loads like these:
http://www.selecttrusses.com/floor_trusses/index.php
I joists can also be used: http://www.gp.com/build/product.aspx?pid=1390
You should talk to a rep from both types and see what their products can do.
I think the weight issue will be OK, but there may be a vibration issue over that length of span. I have a 10" WF steel beam about 49 # per ft if I recall with 2 posts under at 10 ft intervals. There is no sag or bounce upstairs. But you may want free and clear space underneath.
Worst case is you go ahead with the trusses and have to come back with a beam and posts..... hopefully not! A structural engineer will know but you'll probably have to pay him, unless he's your buddy. bill

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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