Michigan Roof Load Requirements

Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched.

Michigan roof load requirements.

Contact local building officials for determining required snow loads. The purpose of this web site is to provide ground snow load analysis information and data gathered from all 50 states. Where uniform roof live loads are reduced to less than 20 psf 0 96 kn m 2 in accordance with section 1607 12 2 1 and are applied to the design of structural members arranged so as to create continuity the reduced roof live load shall be applied to adjacent spans or to alternate spans whichever produces the most unfavorable load effect. You can click on the map below to find the design ground snow load for that location.

Section r905 requirements for roof coverings. A publication can be purchased called ground and roof snow loads for idaho by r. Roofs are under a lot of pressure. Use our michigan ground snow loads map to easily determine the ground snow load 2009 michigan building code.

Each state has a listing of building code and applicable guidelines for snow loads as well as details about where the snow load information may be found or purchased. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature h hydraulic loads from soil f hydraulic loads from fluids. 2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes.

Together owners steven letherer and bernie letherer have over half a century of experience in the truss industry. 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. The north zone middle zone and the south zone are identified on the roof load zone map above. Roof loads are a downward vertical force on the home.

Sheikh taheri published by the ui department of civil engineering 1986. Load limits on the roof of a building. The state has amended the snow load requirements from the ibc and a snow load map may be. This downward imposed load on the home is also known as the snow load.

That are designed to transmit the roof loads directly to the building s structural system and do not rely on existing roofs and roof coverings for support. Purpose of this web site. 2015 michigan residential code adopts with amendments. Established in 1989 our company is family owned and operated.

Arch 331 note set 13 1 s2014abn 2.