Building Code & Design Criteria Information

Design Criteria

  • Frost Depth: 18-inch
  • Seismic Zone: D1
  • Ground Snow Load: 5 per square foot
  • Roof Live Load: 20 per square foot
  • Wind Speed 115 miles per hour
  • Exposure: C
  • 1,500 pound soils

Adopted Building Codes

  • 2017 National Electric Code®
  • 2018 International Building Code®
  • 2018 International Residential Code®
  • 2018 International Fire Code®
  • 2018 Uniform Mechanical Code®
  • 2018 Uniform Plumbing Code®
  • 2018 International Fuel Gas Code®
  • 2006 International Property Maintenance Code®
  • 2006 International Private Sewage Disposal Code®
  • 2018 International Energy Conservation Code®

View the 2018 NNIC amendments to the above codes (PDF)

You may view the codes free at 2018 I-Codes.

Building Department Guideline

View Building Department Guideline (PDF)