Montana Roof Snow Loads

Snow loads shall be determined by the building official.

Montana roof snow loads.

Submit a roof framing plan or submit roof truss engineering designed for belgrade s 37 psf snow load. It is advisable to use manufactured roof trusses where possible r802. Snow loads shall be determined by the building official. It is right on up there with a balcony at 55 to 60 psf.

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. To find your precise required snow load you enter any geographical latitude and longitude stated in decimal form and it returns a snow load value. You can click on the map below to find the design ground snow load for that location. 40 psf roof design.

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. Pursuant to montana law the minimum design roof snow load after allowed reductions shall be 30 psf. Note that the state of montana requires a minimum roof snow load of 30 psf be used for design. 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.

Right off the top count on a minimum of 30 psf that is state code. We have a high snow load. 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.

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

46 psf per snow loads for design in montana f f. Why snow load information. 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.