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Posted by Drew Reed [207.32.169.170] on Wednesday, October 19, 2011 at 00:42:36 :
In Reply to: Re: O/T Going to build another garage posted by axelsteve [69.109.167.64] on Tuesday, October 18, 2011 at 23:09:08 :
I have a 10K lift on a 4 " slab no problems. I did not build the shop or I would have made provisions for something different. Most you will need is a 18" X 18" square deepened area where the lift posts will be mounted. No more the 6"-8" overall finished thickness is required with 4 pieces of #4 rebar forming a mat in each direction. A 4 post lift will work fine on a 4" slab. I always pour a minimum 2500+ psi concrete. Very little increase in per yard cost and will typically cure out at over 4000 psi at 28 days. I agree about wall height. My walls are 10 ft. I bought the house with the shop that way, 12-14' is better. However with a pole barn, you typically have 12' spacing on the posts which translates to the same truss spacing. My W300 squeezes right up between the trusses.
Good luck, a lot of good advice here.
Drew Reed
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