Building Codes & Design Standards

The City of Cortez has adopted the following Building Codes:

(You can view the I-Codes online )

  • 2009 International Building Code
  • 2009 International Residential Code (except section R313, Residential Fire Sprinkler Systems)
  • 2009 International Mechanical Code
  • 2009 International Plumbing Code
  • 2009 International Fuel Gas Code
  • 2009 International Existing Building Code
  • 2009 International Energy Efficiency Code
  • 2009 International Property Maintenance Code
  • 2009 International Fire Code
  • ANSI A117.1 -2003 Edition Accessible and Usable Buildings and Facilities
  • NFPA 211 Standards for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, 2000 Edition
  • Colorado Manufactured Housing Installations, State Resolution #37
  • Local Ordinance #851, Series 1997 Construction Standards for Straw Bale Homes

Local Design Standards

  • Ground Snow Load: 30 psf, non-reducible
  • Wind Design: 90(40)
  • Seismic Design Category: B
  • Weathering: Severe
  • Frost Line Depth: 32”
  • Termite Infestation: Moderate/Heavy
  • Winter Design Temperature: 7 degrees
  • Ice Barrier Underlayment Required: Yes
  • Flood Hazards: 5-17-74
  • Air Freezing Index: 1500
  • Mean Annual Temperature: 48.8

Local Amendments

Residential spread footings shall be 8” X 16” minimum with 2 #4 rebar reinforcements. (Unless foundation plan is prepared by a licensed design professional.)