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Interpolation of IBC Table 705.8

G

GEe

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Jun 26, 2021
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18
Location
Los Angeles
It seems that IBC Table 705.8 does not permit interpolation. It doesn't explicitly allow for it (I'm looking at 2018) and I don't find any discussion of this online.

But it seems odd to me that, for example, a story with a fire separation distance of 9'-11" is allowed 25% protected openings but at 10'-0" it would be 45%.
 
Slightly off-topic but I was just struggling with similar interpolation issue in the plumbing code tables, where they have fixtures-per-person for 6 or 8 water closets in women's restrooms, but there is no code value in providing a 7th water closet:
1717097861169.png
 
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