Residential uninhabitable attic with storage live load
Residential uninhabitable attic with storage live load
(OP)
I understand the storage live is 20 psf applied to the bottom chord of roof trusses, but how does that combine with the roof "construction" (1.25 duration factor) live load of 20 psf?
I am using the allowable stress method of design.
Is the Code actually saying the total roof live load is 40 psf? Can the roof construction load be reduced somewhat because chances are, the construction load does not occur fully (considering re-roofing) after the house is occupied and things are stored in the attic?
I am using the allowable stress method of design.
Is the Code actually saying the total roof live load is 40 psf? Can the roof construction load be reduced somewhat because chances are, the construction load does not occur fully (considering re-roofing) after the house is occupied and things are stored in the attic?






RE: Residential uninhabitable attic with storage live load
RE: Residential uninhabitable attic with storage live load
Garth Dreger PE - AZ Phoenix area
As EOR's we should take the responsibility to design our structures to support the components we allow in our design per that industry standards.
RE: Residential uninhabitable attic with storage live load
I may make this work after all because originally I had the 40 psf live and 30-32 psf dead on the entire roof area.
Thanks Garth
RE: Residential uninhabitable attic with storage live load