Utah Roof Snow Load Requirements

Sheikh taheri published by the ui department of civil engineering 1986.

Utah roof snow load requirements.

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. Title 15a chapter 3 section 107 for any location in the state of utah. Elevation feet pg psf 4500 43. In utah rooftop solar systems must be able to withstand both wind and snow loads and the modified version of the solar abcs model expedited solar permit now includes wind and snow load components.

The state has amended the snow load requirements from the ibc. Roof snow loads shall be determined per chapter 7 of asce 7 10 at locations where the roof snow load exceeds 30 psf a percentage of the snow load must be considered in the effective seismic weight of the structure per section 1613 1 1 of the utah amended code. Roof loads are a downward vertical force on the home. 1608 1 2 of the utah amended code.

Use our utah ground snow loads 2019 map to easily determine the historical ground snow load utah code. Below 5 000 feet 20 inches. 5 000 feet and above contact the building inspector. The north zone middle zone and the south zone are identified on the roof load zone.

County city elevation ground snow load psf roof snow load psf 6 carbon price3 all other county locations5 5550 43 30 davis fruit heights3 4500 4850 57 40. However before a rooftop system can be installed a building permit must. Purpose of this web site. Above 4 000 feet add 5 lbs per 1 000 feet in elevation ground snow load.

Required snow loads for selected utah cities and towns1 2 the following jurisdictions require design snow load values that differ from the equation in the utah snow load study. Above 4 000 feet add 5 lbs per 1 000 feet in elevation frost depth. The state has amended the snow load requirements from the ibc and a snow load map may be found at. Generally speaking most buildings in utah built to international building codes should easily be able to accommodate solar.

Certain jurisdictions shaded grey have specific snow load requirements per table 1608 1 2 b that differ from the values given by. You can click on the map below to find the design ground snow load for that location. 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. The statistical basis for these values are consistent with the requirements of asce7 with a 2 probability of exceedance.

The ground snow load values in pounds per square foot and kilopascals represent 50 year ground snow load estimates for a particular site at the interpolated elevation from the given latitude and longitude. Roof load live load design is affected by the shape of the roof whether it is flat curved or pitched. However a south roof load zone home cannot be installed in either a middle or north roof load zone. When new roofing systems will increase the roof load on a building then the roof deck.

21 pounds at 4 000 feet.