Montana Roof Snow Loads

In most cases hurricane clips attaching each roof truss to the top plate will be required consult roof truss design drawings for connection requirements.

Montana roof snow loads. 40 psf roof design. Why snow load information. 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. Based on 100 year 1 hour rainfall of 1 22 inches frost depth 3 ft 1 story building 4 ft 2 story building.

Local and or state requirements on the ground snow loads or roof loads supercede the values provided by this tool. Of course not every point in the state of. Montana ground snow load finder. You can click on the map below to find the design ground snow load for that location.

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. Submit a roof framing plan or submit roof truss engineering designed for belgrade s 37 psf snow load. 46 psf per snow loads for design in montana f f. In case you need to know the snow load requirements should you be thinking to build a house in montana you can go to the montana ground snow load finder.

Snow loads shall be determined by the building official. Note that the state of montana requires a minimum roof snow load of 30 psf be used for design. We have a high snow load. Right off the top count on a minimum of 30 psf that is state code.

The state of montana requires a minimum roof snow load of 30 psf be used for design 2 this minimum value applies to the final roof snow load that is calculated after all coefficients have been applied and it may be revised when justified by a design professional to the satisfaction of the building official. It is right on up there with a balcony at 55 to 60 psf. 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. Pursuant to montana law the minimum design roof snow load after allowed reductions shall be 30 psf.

Basic ground snow load. Montana ground snow load finder. Roof snow load. Note that the state of montana requires a minimum roof snow load of 30 psf to be used for design regardless of ground snow load.