Adopted Building Codes

  • 2006 International Building Code (IBC)
  • 2006 International Residential Code (IRC)
  • 2006 International Mechanical Code (IMC)
  • 2021 International Plumbing Code (IPC)
  • 2021 International Fuel Gas Code (IFGC)
  • 2006 International Energy Conservation Code (IECC)2006 International Fire Code (IFC)

Roof Snow Load by Elevation (for reference only)

Elevation Minimum Roof Snow Load Minimum Frost Depth
Below 6,000' 40 psf 36 inches
6,000' - 6,500' 50 psf 42 inches
6,501' - 7,000' 60 psf 42 inches
7,001'- 7,500' 70 psf 42 inches
7,501'- 8,000' 80 psf 48 inches
8,001 - 9,000' 90 psf 48 inches
above 9,000' 115 psf 48 inches

Actual roof snow load will be determined by the RBC Building Official

Climate Zone-6
Wind design 90 mph (3 sec) Exposure B or C
Seismic Design Category - TBD per site
Weathering probability for concrete - Severe
Ice barrier underlayment required
Floodplain (Section 245 RBC Land Use Resolution)