Roof Snow Load Utah

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Roof snow load utah.

Use our roof snow load calculator to determine your design roof snow loads. Roof diaphragm should be evaluated by a structural engineer to determine whether the diaphragm needs to be upgraded to meet current seismic requirements as required by current state building code. The north zone middle zone and the south zone are identified on the roof load zone map above. This load need not be assumed to act concurrently with the uniform load.

According to title 15a chapter 3 section 107 of the utah code a roof s snow load may be determined with the following equation rounded to the nearest 5 psi. Flat roof snow loads of 30 pounds per square foot 1 44 knm2 or less need not be combined with seismic loads. Why snow load information. 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.

Where flat roof snow loads exceed 30 pounds per square foot 1 44 knm2 the snow loads may be reduced in accordance with the following in load combinations including both snow and seismic loads. For example the roof snow load in salt lake county is 30 pounds per square foot. This downward imposed load on the home is also known as the snow load. 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.

The latitude and longitude of the site may be entered on the top line. The utah ground snow load map uses three options for location input. If you have any questions or concerns about specific ground snow loads within the state of utah please call us at 1 425 652 4188. The concentrated wheel load shall be applied on an area of 4 5 inches by 4 5 inches.

Local building code determines roof snow load and it will be based on the average amount of precipitation in the region. The map may be right clicked at the location of interest which will enter in the latitude and longitude of that location automatically into those fields. When new roofing systems will increase the roof load on a building then the roof deck. Your roofing contractor will build your home according to these guidelines.

Ws as calculated below shall be combined with seismic loads. The minimum concentrated load on stairtreads shall be applied on an area of 2 inches by 2 inches.