Wednesday, September 10, 2008

Re: Pressure Treated Decking

The 2005 NDS (4.3.8) has the following for the incising factors:
E, Emin 0.95
Fb, Ft, Fc, Fv 0.80
Fct 1.00

These values apply when the piece is incised top a maximum depth of
0.4", a maximum length of 3/8" and a density of incisions up to 1100 /ft^2.

I think you could also apply the repetitive factor that would offset the
incising factors some.

Larry Hauer wrote:
> I am working on a job where exposed, (to the elements), 2x6 flat
> spaced sheathing is to be used for a public balcony. I know there are
> adjustment factors for wet service and flat use, but is there a
> reduction due to the pressure treatment? Section 4.3.13 of the NDS
> talks about pressure treatment, but doesn't give any reduction
> factors. Am I missing something? Thanks in advance,
>
> Larry Hauer S.E.
>
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