Michigan Roof Live Load

Figure 1608 2 for any location in the state of michigan.

Michigan roof live load.

Anyhow while figuring all this out i simply wondered how much weight our roof can take in snow here in se michigan. 1603 1 2 roof live load. The north zone design live load equates to 40 pounds per square foot the middle zone equates to 30 pounds per square foot and the south zone equates to 20 pounds per square foot. You can click on the map below to find the design ground snow load for that location.

All the information i have found is that this truss system is designed for exterior to exterior wall with no internal load bearing walls. 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. Together owners steven letherer and bernie letherer have over half a century of experience in the truss industry. 35 city of allegan city of otsego.

New roof in 2000. In warmer climates where snow doesn t occur or is of low intensity the roof live load provides a level of competency in a roof that would typically be loaded only by maintenance workers equipment and other materials through its life. This downward imposed load on the home is also known as the snow load. Arch 331 note set 13 1 s2014abn 2 determining dead load from material weights.

Load wind speedd mph seismic design categoryf weatheringa frostline depthb termite c table r301 2 5 90 see sec r301 2 2 1 figure r301 2 2 severe. Michigan ground snow loads by jurisdiction county ground snow load jurisdictions alcona 50 all alger 70 all allegan 50 all except. Use our michigan ground snow loads map to easily determine the ground snow load 2009 michigan building code. 1603 1 1 floor live load the uniformly distributed concentrated and impact floor live load used in the design shall be indicated for floor areas.

If you live in the us our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the american society of civil engineers regarding the minimum design loads for buildings and other structures asce7 16. Trusses are 24 oc with 1 2 plywood sheathing single layer shingles. Unless otherwise specified in this section roof coverings shall be installed to resist the component and cladding loads specified in table r301 2 2 adjusted for height and exposure in accordance with table r301 2 3. Established in 1989 our company is family owned and operated.

The north zone middle zone and the south zone are identified on the roof load zone map above.