Re: Concrete floor for pole barn

Posted by ShepFL on April 11, 2001 at 11:26:42 from (38.192.251.39):

In Reply to: Concrete floor for pole barn posted by Warren on April 11, 2001 at 09:50:47:

Warren -
I have a 30x50 barn but poured a 30x60 slab. I went overkill not knowing what the future has to offer.

I have a 5" thick slab, fiber reinforced plus rebar. I was concerned that fiber concrete may break "clean" due to settling and the rebar is in place to minimize potential breaks.

My footers are to FL code 18" deep and 24" wide on entire perimeter. Whole slab is on a 3" bed of sand from my around my property.

Also, since a pole barn I assume open doors or stalls, consider some slope to the slab when rain/snow melt comes. Slope towards drains or to a non-critical side of you barn. 1" overall drop is what I did.

As to one pour, well let me tell you this. IMHO, it is the best way to go BUT -

1. Take the day off of work to supervise.

2. Make D#MN sure you can get trucks in there without impeding progress i.e. no bridge weight restrictions, enough trucks, enough drivers, enough room around barn to get trucks without waiting on each other, travel time or distance from concrete plant to your place, etc. etc.

3. Make DOUBLE D#MN sure your concrete guy has sufficient staff to process this volume of concrete when poured.

4. Make DOUBLE D#MN sure your concrete guy has sufficient staff to process this volume of concrete when "finishing" with electric powered floats - look like oversized buffers.

5. Make sure you or neighbor or timed sprinkler system applies water while concrete is still "green" and beginning to cure. If one section gets dry to early it will crack free from other section that is still curing.

6. Make TRIPLE D#MN sure concrete man has paid for concrete in advance, not using your funds to pay for the job.

7. If setting any permanent anchors in the concrete consider REDHEADS (tradename), they have lots of sizes avail. Also build any jigs that may be needed for these in advance.

8. Make sure concrete has insurance, check out his previous job sites, check his references, CHECK HIS FINANCING, make him provide detailed estimate - $ of concrete, $ of materials, $ of fill dirt, estimate labor for each element - dirt work, form building, pour, finishing etc. etc.
NO DETAILS = NO TIKEE NO WASHEE!!

9. When adding drains make a slight depression in the gound about 10' around each drain. I didn't do this on one drain & it is a pain. Consider burying plumbing in a "sock" below grade.

Not trying to scare you off, just be AWARE as I guess concrete men belong to some secret order that they can't share trade secrets for reasons unknown. After a horrendous start all turned out ok in the end.

Email if specifics wanted.
HTH,
ShepFL

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