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Grading around a house guruocont 05-25-2007
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Posted by guruocont on May 25, 2007, 5:56 am
Hi,

For grading around a building according to BOCA 1996 according to my
reading the slope needs to be 1 inch per foot for a minimum of 8 feet.
This sounds pretty aggressive. I was wondering whether more recent
codes have modified this requirement for a house with a basement. I am
researching this question a house in NJ.

Regards..
G


Posted by marson on May 25, 2007, 6:44 am
> Hi,
>
> For grading around a building according to BOCA 1996 according to my
> reading the slope needs to be 1 inch per foot for a minimum of 8 feet.
> This sounds pretty aggressive. I was wondering whether more recent
> codes have modified this requirement for a house with a basement. I am
> researching this question a house in NJ.
>
> Regards..
> G

I believe it is now 6" in the first ten feet.


Posted by Bob Morrison on May 25, 2007, 10:33 am
In a previous post guruocont wrote...
> For grading around a building according to BOCA 1996 according to my
> reading the slope needs to be 1 inch per foot for a minimum of 8 feet.
> This sounds pretty aggressive. I was wondering whether more recent
> codes have modified this requirement for a house with a basement. I am
> researching this question a house in NJ.
>

1/8" per foot is only 1%. Pretty hard to control grades flatter than
that. 6 inches in 10 feet is 0.5%. Darn near impossible to control
without some serious surveying help.

--
Bob Morrison, PE, SE
R L Morrison Engineering Co
Structural & Civil Engineering
Poulsbo WA
bob at rlmorrisonengr dot com

Posted by RicodJour on May 25, 2007, 11:06 am
> In a previous post guruocont wrote...
>
> > For grading around a building according to BOCA 1996 according to my
> > reading the slope needs to be 1 inch per foot for a minimum of 8 feet.
> > This sounds pretty aggressive. I was wondering whether more recent
> > codes have modified this requirement for a house with a basement. I am
> > researching this question a house in NJ.
>
> 1/8" per foot is only 1%. Pretty hard to control grades flatter than
> that. 6 inches in 10 feet is 0.5%. Darn near impossible to control
> without some serious surveying help.

What? You don't use Ron Popeil's Pocket Laser Grader? Press a button
and you have a level plane, uniform to within 0.001", within seconds!

R


Posted by Wayne Whitney on May 25, 2007, 11:53 am

> > For grading around a building according to BOCA 1996 according to my
> > reading the slope needs to be 1 inch per foot for a minimum of 8 feet.
> > This sounds pretty aggressive. I was wondering whether more recent
> > codes have modified this requirement for a house with a basement. I am
> > researching this question a house in NJ.
>
> 1/8" per foot is only 1%.

I believe the OP means 1" / foot, or 8%, extending over an 8 foot wide
band around the house.

> 6 inches in 10 feet is 0.5%.

Umm, 6 inches in 10 feet is 5%.

Wayne

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