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.
Around here it is 6" in the first 5' or 5" in the first 6'.
Never could remember which but never had an inspector
actually stretch out a level and check it. Common sense.
although it is usually in short supply, usually rules. g
You're quoting a grade that's equivalent to a 1 on 12 pitch roof. Otherwise
known due to that pitch as a flat roof.
I would be very aggressive, at least to the drip line. Then do the flat
The question is what does code require. Code is 6" in 10 feet. A
standard slope for drainage is often quoted as 1/4" per foot-- 6" in
10 feet exceeds that. Steeper slopes might be nice, but can create
their own difficulties on the uphill side.
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