Montana Roof Snow Loads

Right off the top count on a minimum of 30 psf that is state code.

Montana roof snow loads.

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. Basic ground snow load. Why snow load information. Submit a roof framing plan or submit roof truss engineering designed for belgrade s 37 psf snow load.

40 psf roof design. 46 psf per snow loads for design in montana f f. 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 the roof loads subsequently calculated from these values supercede the values provided by this snow load finder tool.

Snow loads shall be determined by the building official. Snow loads shall be determined by the building official. Of course not every point in the state of. 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.

We have a high snow load. Montana ground snow load finder. Note that the state of montana requires a minimum roof snow load of 30 psf be used for design. Local and or state requirements on the ground snow loads or roof loads supercede the values provided by this tool.

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. 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. 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 advisable to use manufactured roof trusses where possible r802.

You can click on the map below to find the design ground snow load for that location. It is right on up there with a balcony at 55 to 60 psf. 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 to be used for design regardless of ground snow load.