State Snow Load Information Alabama. Use IBC 2003—0 psf-10 psf with Case Study Areas at higher elevations. Alaska. Use IBC 2003—25 psf-300 psf —And— State of Alaska has given Authority to Local Building Officials for determining required Snow Loads for their municipalities.
The North Zone, Middle Zone and the South Zone are identified on the roof load zone map above. This downward imposed load on the home is also known as the snow 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.
The one You posted is roof load tho and I think the one in My furnace closet shows more generalized "North" "Middle" and "Hurricane" zones. It mentions both wind and snow "live load". It is marked Ansi A58.1 - 1972 although My home is a 1976. The lower left corner of the plate is missing,that lower left is one place the zone names should be so ...
Design Data. IRC Chapter 3 IBC Chapter 16 ASCE 7 Snow. Flat roof snow load – 40 psf minimum ; Ground snow load – 50 psf Wind. Wind Speed – see 2012 IBC - Wind Map see 2009 IBC - Three Second Gust Wind Zones map ; See also the 3 Second Wind Speed zones layer MOA Advanced Mapper (in the “Environmental” folder)
As a homeowner living in an area with white winters, you need to be sure that your roof is able to carry the weight of your region's typical snowfall. After taking a few measurements, use the roof snow load formula for flat or for pitched roofs to determine the pounds of snow your roof has to hold.
Minnesota Ground Snow Loads TM. ... * Ground snow loads derived from the zone map found in the 2007 Minnesota State Building Code. Local codes and ammendments may govern,verify with local building department or jurisdiction. Use our Roof Snow Load Calculator to determine your design roof snow loads.
Use our Wisconsin Roof Snow Loads map to easily determine the roof design snow load (Wisconsin Administrative Code: SPS 321 SubChapter 2) for any location in the State of Wisconsin. Wisconsin has not adopted the International Residential Code (IRC) and utilizes its own Uniform Dwelling Code (UDC) for all residential structures.
Ground and Roof Snow Loads for Idaho (1986) This report was compiled by Ron Sack and A. Sheikh-Taheri through years of research. It was released in 1986 by the Department of Civil Engineering at the University of Idaho. 1986 Report (PDF) Interactive 1986 Map.
The states and counties that are not listed for the North Roof Load Zone in paragraph (c)(3)(i)(A) ... For snow loads, such requirements must be based on a roof snow load of 0.6 of the ground snow load for areas exposed to wind and a roof snow load of 0.8 of the ground snow load for sheltered areas.
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