Roof snow load.
Montana roof snow load.
If the snow weighs 10 pounds per cubic foot and there are 1 5 feet on the roof each square foot of the roof is getting 15 pounds of pressure.
To figure out the load on your roof take the depth of snow in feet and multiply it by the weight of a cubic foot of snow.
Note that the state of montana requires a minimum roof snow load of 30 psf be used for design.
Use our montana ground snow loads map to easily determine the ground snow load administrative rules of montana.
Snow loads for structural design in montana revised 2004 gregory p.
A great deal of confusion currently exists among engineers architects recreation specialists and maintenance personnel concerning the proper snow loading to use for the design and maintenance of trail bridges building roofs and other structures in mountainous high snow load areas.
Basic ground snow load.
Based on 100 year 1 hour rainfall of 1 22 inches frost depth 3 ft 1 story building 4 ft 2 story building.
The minimum design roof snow load.
Local and or state requirements on the ground snow loads or the roof loads subsequently calculated from these values supercede the values provided by this snow load finder tool.
Local and or state requirements on the ground snow loads or roof loads supercede the values provided by this tool.
40 psf roof design.
You can click on the map below to find the design ground snow load for that location.
Snow loads shall be determined by the building official.
In areas of the state outside of certified city county and town jurisdictions the design snow load shall be based on the ground snow loads developed in snow loads for structural design in montana civil engineering department montana state university 2004 revised edition.
Why snow load information.
46 psf per snow loads for design in montana f f.
In areas of the state outside of certified local government jurisdictions the design snow load shall be based on the ground snow loads developed in snow loads for structural design in montana authored by f f.
If your roof is 1 000 square feet the total snow load is 15 000 pounds of snow.
Montana ground snow load finder.