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Building Codes & Design Standards
The City of Cortez has adopted the following Building Codes:

(You can view the I-Codes online by Clicking Here)

  • 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.)