Loads From Incline Roof

To do this i use conservative too heavy dead loads and full snow loads regardless of pitch.

Loads from incline roof.

Load limits on the roof of a building. The final roof design loads shall not be less than 20 psf after all reductions are factored except for lyon storey counties. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally.

Intermediate values may be interpolated by proportion. Ground snow loads p g for northern nevada locations 1. The sloped roof snow load p s shall be obtained by multiplying the flat roof snow load p f by the roof slope factor c s. For dead loads you are correct.

Roofs are under a lot of pressure. Drift load design in the 30 psf zones may utilize asce 7 16 table c7 1 ground snow values. P s c s p f the thermal factor c t from table e 3 determines if a roof is cold or warm slippery surface values shall be used only where the roof s surface is unobstructed and sufficient space is.