Utah Roof Snow Load

Local building code determines roof snow load and it will be based on the average amount of precipitation in the region.

Utah roof snow load.

When new roofing systems will increase the roof load on a building then the roof deck. Ws as calculated below shall be combined with seismic loads. Ws as calculated below shall be combined with seismic loads. Your roofing contractor will build your home according to these guidelines.

Why snow load information. 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. 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. Pg po 2 s 2 a ao 2 0 5 for a greater than ao and pg po for a less than or equal to ao.

Roof snow load 35 lbs or more sq. 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. The latitude and longitude of the site may be entered on the top line. Where flat roof snow loads exceed 30 pounds per square foot 1 44 knm 2 the snow loads may be reduced in accordance with the following in load combinations including both snow and seismic loads.

They will design the roof frame to be able to easily withstand at least 30 pounds per square foot they have to or else the roof won t be up to code and the roofing permit won t pass inspection. For canyons and all mountain areas the load is 100 lbs or more sw. Flat roof snow loads of 30 pounds per square foot 1 44 knm2 or less need not be combined with seismic loads. Foot in valley areas.

Certain jurisdictions shaded grey have specific snow load requirements per table 1608 1 2 b that differ from the values given by. The utah address may be entered. Seismic load d wind 90 mph. 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.

Use our utah ground snow loads 2019 map to easily determine the historical ground snow load utah code. 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. You can click on the map below to find the design ground snow load for that location. Flat roof snow loads of 30 pounds per square foot 1 44 knm 2 or less need not be combined with seismic loads.

For example the roof snow load in salt lake county is 30 pounds per square foot. Where flat roof snow loads exceed 30 psf 1 44 kn m 2 20 percent shall be combined with seismic loads.