Roof Live Load Tables

Where snow isn t a problem the live load can come from people working on the roof and any equipment they.

Roof live load tables.

However if the attic is intended for storage the attic live load or some portion should also be considered for the design of. If your code book says your snow load is 40 psf then you use the 40 psf live load rafter table. For roof live loads less than 20 pounds per square foot psf rafter spans and required e values tabulated for 20 psf shall be permitted to be adjusted in accordance with the fol lowing table. For roof live loads of 12 psf or 16 psf.

If your code book says your snow load is 40 psf then you use the 40 psf live load rafter table. The snow load is treated as a live load when you use af pa s tables. The fact that snow loads only act part of the year has been used to create the rafter tables. The fact that snow loads only act part of the year has been used to create the rafter tables.

It the roof is subjected to snow load it should be designed for the actual load due to snow or lot the live loads specified in table 1 3 whichever is more severe. The loads are based on adjusted roof snow loads from the governing building code. And each case shall be treated on its own merits. The snow load is treated as a live load when you use awc s tables.

Loads should be determined in accordance with this chapter.