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paxx
Join Date 03/2001
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Geometry question

June 26, 2004 2:20:25 PM from WinCustomize ForumsWinCustomize Forums

I need to buy some soil for my backyard. I removed my pool, and now I'm left wih a big hole that I want to fill with soil. I'm trying to determine how much I need. The hole is 15 feet in diameter and about 6 inches deep.
I found this formula on the Net: V = π r2 H
Does this mean: 3.1416 x (90 inches x 90 inches) x 6 inches = 152 681.76 cu. in. ?

Is this what I need over 150 thousand cubic inches of soil? Sounds a lot...

Anybody who knows geometry or gardening could confirm this to me please?
(I failed math in high school)

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NightTrainthedark
Join Date 07/2003
+255
Reply #1 June 26, 2004 2:39:24 PM
from WinCustomize ForumsWinCustomize Forums
You will most likely be getting the dirt in yards. You will need around 4.25 yards. Don't calculate it as a circle. Do it as a square. This will account for the extra needed for compaction. You may be able to get by with 4.0 yards but it depends on the soil. If its gravely then go for the 4.25. If its sandy , go for the 4.0. Hope it helps.
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Tiggz
Join Date 08/2003
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Reply #2 June 26, 2004 3:32:38 PM
from WinCustomize ForumsWinCustomize Forums
Is this what I need over 150 thousand cubic inches of soil? Sounds a lot...


that's because cubic inches are very small, there are 46,656 of them in a cubic yard
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White_Moth
Join Date 12/2002
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Reply #3 June 26, 2004 3:40:03 PM
from WinCustomize ForumsWinCustomize Forums
..and whatever you do, do not place your order using cubic inches, unless you want to hear laughter from five counties away.



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farkusmarkus
Join Date 05/2004
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Reply #4 June 26, 2004 3:58:28 PM
from WinCustomize ForumsWinCustomize Forums
That reminds me of the time I wanted to do a gag gift on my sister. Long story short, I needed to weigh down a wrapped up gift certificate with a brick. Well, I don't know if you've ever tried to purchase a single brick but I had to take a little order card up to the front and get laughed at by the clerk. Then I had to drive around to the back to get my brick, where I was laughed at by the loading dude.
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DesignCaddy
Join Date 06/2003
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Reply #5 June 28, 2004 12:39:20 PM
from WinCustomize ForumsWinCustomize Forums
markus, what did they charge you for the brick?
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paxx
Join Date 03/2001
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Reply #6 June 29, 2004 8:36:26 PM
from WinCustomize ForumsWinCustomize Forums

Thanks Night Train.  When you say "yard" you mean cubic yard probably, right?  I'm not sure what they'll sell it as actually, in Canada we're usually metric. So, probable some cubic meter or something. A meter is not too far from a yard anyway.

Tiggz, even in feet I thought it looked like a lot. I forget what it was but it was a good number of hundreds. 700 or so I think.

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Jafo
Join Date 03/2001
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Reply #7 June 29, 2004 9:21:30 PM
from WinCustomize ForumsWinCustomize Forums
4.5 x 4.5 x 0.15 = 3.03 Cubic metres.....ask the 'guy' for 3 metres of soil, Patric...and you'll be fine...
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Jafo
Join Date 03/2001
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Reply #8 June 29, 2004 9:23:52 PM
from WinCustomize ForumsWinCustomize Forums
Near enough to 4 yards, btw...
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paxx
Join Date 03/2001
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Reply #9 June 29, 2004 9:25:10 PM
from WinCustomize ForumsWinCustomize Forums
Kewl. thx mate.
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yrag
Join Date 08/2001
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Reply #10 June 29, 2004 9:30:27 PM
from WinCustomize ForumsWinCustomize Forums
...those 'Oz' guys really know their mud...
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Jafo
Join Date 03/2001
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Reply #11 June 29, 2004 9:36:17 PM
from WinCustomize ForumsWinCustomize Forums
yrag....quantity estimating, etc is just another part of the Archie pen-pushers' craft....
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yrag
Join Date 08/2001
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Reply #12 June 29, 2004 9:41:09 PM
from WinCustomize ForumsWinCustomize Forums
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