Shed Foundation Advice

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  #1  
Old 02-14-05, 11:33 AM
carrell55
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Shed Foundation Advice

I would like to build a 10x12 shed and I need some advice on the foundation. I live in Texas and my yard is black clay with no slope. At times when it rains I get an inch or two of standing water for a couple of days. My thoughts were to have a 2x6 pier and beam 16" OC setting on concrete posts, with a 4"+ clearance for ventilation. Any thoughts, ideas, comments?
 
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  #2  
Old 02-16-05, 08:40 PM
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Location: Arlington, WA
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pour a concrete slab that is elevated about 4" above grade. Concrete won't rot, not matter how wet it gets!!
 
  #3  
Old 02-18-05, 07:18 AM
carrell55
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Concrete is great in all. But as soon as I do that it becomes a permanent structure and here comes the tax man. If I keep it a Floating pier and beam and under 200 sqft then I don't need a permit to build and I won't get taxed for the additional sqft.
 
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Old 02-18-05, 12:17 PM
Aaron B
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Works great!

Originally Posted by carrell55
I would like to build a 10x12 shed and I need some advice on the foundation. I live in Texas and my yard is black clay with no slope. At times when it rains I get an inch or two of standing water for a couple of days. My thoughts were to have a 2x6 pier and beam 16" OC setting on concrete posts, with a 4"+ clearance for ventilation. Any thoughts, ideas, comments?
This works great. Take a look at www.deckplans.com. They have free plans for shed floors using Dek-block floating foundation piers. If you have any questions, give them a call. Tell them Aaron sent you!
 
  #5  
Old 02-18-05, 12:51 PM
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carrell55,

Obviously you are dealing with a totally different set of tax rules and bldg. codes than I am. Given that, then I would suggest setting pier blocks (or Dek Blocks), using PT girders and/or joists, then use a composite decking for the floor. That would get the girders or joists far enough above grade so that any standing water under the floor wouldn't be an issue, and the moisture won't affect the composite.

(The rules around here are that any shed less than 120 sq. ft. doesn't need a permit, regardless of what you use for the floor, and accessory bldgs. under 120 sq. ft. have no property tax assessment.)
 
  #6  
Old 02-21-05, 05:24 AM
carrell55
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What about sinkage? I was afraid over time the Blocks would start to sink in the clay. That's why I was thinking of posts, or should I just lay a couple inches of gravel. Thanks for the input.
 
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