Michigan Roof Snow Load Map

Snow load importance.

Michigan roof snow load map.

Why snow load information. Flat roof snow load p f. Michigan the state has amended the snow load requirements of the 2009 ibc figure 1608 2 and the 2009 irc figure r301 2 5 table r301 2 1 and table r301 2 5 with the 2009 michigan building code which replaces the national snow load map with a state specific zone map and tabulated values by jurisdiction. In areas where the ground snow load p g exceeds 10 pounds per square foot psf 0 479 kn m 2 the following additional information shall also be provided regardless of whether snow loads govern the design of the roof.

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. This downward imposed load on the home is also known as the snow load. Snow exposure factor c e. The state has amended the snow load requirements of the 2009 ibc figure 1608 2 and the 2009 irc figure r301 2 5 table r301 2 1 and table.

Schilke civil agricultural engineering montana state university august 1989. This is a beta release of the new atc hazards by location website. The ground snow load p g shall be indicated. The north zone middle zone and the south zone are identified on the roof load zone map above.

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. Established in 1989 our company is family owned and operated. Please contact us with feedback. Use our michigan ground snow loads map to easily determine the ground snow load 2009 michigan building code.

Together owners steven letherer and bernie letherer have over half a century of experience in the truss industry. You can click on the map below to find the design ground snow load for that location. Figure 1608 2 for any location in the state of michigan.