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Posted by richard on August 20, 2006, 11:21 pm
> Marv gave you a very technical answer so that you would see that there is
> no way to give a simple answer.
>
> Cement probably stays pretty consistent for price from state to state
> subject only to transportation from source. Be aware that there are
> cement shortages going on across the country. Concrete, on the other hand
> will vary a great deal from city to city. It is most subject to stone and
> sand availability, the predominant materials in concrete. Where I am, the
> closest stone is over 100 miles - imagine the fuel surcharges and
> transportation costs.
>
> Flat work can be priced by the square foot, though the number will change
> radically across the country based on labor rates, site condition, project
> volume, and cost/yard variables. My SF number would scare you to death
> for a 5'x10' walk in the back yard of a "putting green" quality residence.
> The mobilize and mechanize dollars are just as big or bigger for that
> little project as opposed to laying down a 50'x100' parking lot.
>
> The original poster asked about a building pad. This is not flatwork. It
> will require a footing. Footing depth varies by locality and latitude.
> Here it is 18". I have been told that in the Dakotas it is 48". That is
> a huge spread in excavation costs. What is happening to the excavated
> dirt? What reinforcing? Termite treatment? Edge form system? Building
> and anchor bolt layout?
>
> richard, I'm sorry, but the very question you asked illustrates how much
> you don't understand about concrete and building.
>
>
Thanks for the insight. I was not aware that a mere slab as proposed would
be so detailed and involved.
On the old "Home Time" tv show they showed building garages several times.
To my best recollection, they never discussed the details. As I recall, they
just smoothed out an area, tamped it down, and poured the cement over it.
I do understand that certain requirements would have to be met in certain
areas. So perhaps in those areas, these requirements were minimal.
When I lived in a mobile home in Northern Ky, the pads were nearly 24" deep.
In Wisconsin, the pads were less than a foot deep. While at another mobile
home park, the "pad" was a bed of granite pebble stones, not sure how deep
they were.
At my parents house, my dad finally had the driveway rebuilt. Imagine a
sloped surface 25 ft long, that rises 12 ft or so above the roadway. I know
for a fact he paid the contractor, a friend of his, a mere $3500 for the
entire job. While otherwise, it would have cost nearly double that easily.
All theydid was pour the cement over the existing ground. Nothing else done
before the pour. Other than to smooth it out.
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