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Old 10-04-2009, 04:44 PM   #1
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what is the best way to figure the amount of yards for a footing?
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Old 10-04-2009, 05:22 PM   #2
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Total length in feet X average width in feet X average thickness in feet (8" thick =.667 for example) divided by 27= total yardage.

Don't be hesitant to add 5-10% extra for waste, form spreading, thickness variation, etc....
Calling for a clean-up truck is far more expensive than throwing a little concrete away.
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Old 10-10-2009, 05:54 PM   #3
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Also, if you're using a concrete pump, remember he has to prime up and he won't be able to get 100 percent of the concrete out. I can't tell you how many times I've had to argue with people that know they ordered a 1/2 yard more than they needed, all the while at least 3/4 of a yard was sitting in the pump, unable to be safely pumped out.
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Old 10-10-2009, 06:44 PM   #4
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Mort, I just have to reply, maybe I took it wrong, but I think it would be easier to explain to the customer why they had to pay extra for the product left in the pump then to explain why they won't have enough to do their project.
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Old 10-10-2009, 09:51 PM   #5
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If you choose to pump the concrete because of the site conditions there will obviously be more waste that just dumping it into a hole without pumping. - All goes back to the amount actually needed to get the job done for the site accessibility.

Ordering a little too much is much cheaper than ordering too little because the delivery and trip charge gets higher thaan the cost of the concrete.
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Old 10-11-2009, 07:40 AM   #6
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When a pump is involved, 1 yard over is standard, unless we are pumpong a long distance.

I always order at least 1/2 yard more then calculated on a 10 yard pour....1 on a 20 anyway....a call back for a yard is like paying for 3 or 4, plus the wait time.
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