loading for designing firewall

huangyhg

loading for designing "firewall"
i need to know what loading (in addition to axial load due to wall's self weight) is required to design a firewall which will be about 27 ' high. the ibc 2006 is to be adhered to. of course the firewall has to be supporting itself under fire conditions . i presume it has to be a cantilever wall.  what kind of lateral pressure(wind pressure)(perpendicular to wall) is required in ibc 2006 ?
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if it's an interior wall, 5 psf is a normal lateral pressure.  
if it is exterior, that is a site sensitive calculated value and cannot be answered here without a lot more information.
mike mccann
mmc engineering
don't forget, it needs to also be designed for lateral loads due to seismic activity.