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Old 03-17-2005, 09:34 PM
mbella mbella is offline
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Join Date: Dec 2004
Location: Gilbertsville, PA
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Bid Help

I'm bidding a a paver driveway. At the main entrance of the home there is a horseshoe shaped area of exposed aggregate concrete. I know how to figure the amount of concrete and it comes to 85 yards. What I'm not sure of is how to figure how much it weighs and it is too late to make calls. Any help would be greatly appreciates.
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Old 03-17-2005, 09:47 PM
mbella mbella is offline
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I meant greatly appreciated. Somebody just told me roughly 2 tons per yard.
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Old 03-17-2005, 10:12 PM
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cgland cgland is offline
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Well, I think it would be closer to 3,000 lbs. per yard. You figure 3/4" mod (just an example)weighs 2,000/yd and add water which weighs around 7 or 8 lbs. per gallon. I would say definately not less than 2,500/yd.

Chris
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Old 03-17-2005, 10:21 PM
mbella mbella is offline
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Thanks Chris. One of the problems is that I don't know if the aggregate was seeded or mixed. So, I don't know if it's full depth or just a surface application.

Either way, I will probably propose going over the existing slab. I don't usually like to do that, but the existing slab is 20 years old, 8" thick and doesn't even have a crack. The savings would be >$10,000.00.
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Old 03-18-2005, 08:16 AM
bigviclbi bigviclbi is offline
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How do you figure yardage on concrete. Example if i am removing a driveway 30x15 how many yards of concrete is that? I always just guess on how big a dumpster I would need.
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  #6  
Old 03-18-2005, 09:33 AM
northmichigan northmichigan is offline
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if the drive is 6" thick then multiply .5 x 30 x 15. then add a little extra for sand stuck on the cement
. good luck!
mj
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