Building Services

Effective Codes - July 17, 2017

All construction within the City of Fort Collins shall comply with following codes adopted by City Council, July 17, 2017:

• 2015 International Building Code with local Amendments
• 2015 International Residential Code with local Amendments
• 2015 International Energy Conservation Code with local Amendments
• 2015 International Mechanical Code with local Amendments
• 2015 International Fuel Gas Code with local Amendments
• 2015 International Plumbing Code
• 2017 National Electrical Code (effective July 3, 2017)
• 2006 International Property Maintenance Code with local Amendments
• Accessibility: State Law CRS 9-5 and ICC A117.1-2017
• Snow Load - Live Load: 30 PSF / Ground Snow Load 30 PSF
• Frost Depth 30 inches
• Wind Load: 129 mph Vult, or 100 mph Vasd - Exposure B
• Seismic Design Category B

Work Exempt From Permit Requirements

• 2015 International Residential Code Permit Exemptions
• 2015 International Building Code Permit Exemptions

Energy Code Compliance

Commercial (Including multi-family buildings 4 stories and taller)

2015 IECC and local Amendments – use Commercial Provisions

Multi-family (Apartments & Condos 3 stories and less)

See 2015 IECC and local Amendments – use Residential Provisions

Duplex and Single Family Residence

2015 IRC, Chapter 11 and local Amendments

4 ways to comply:

1. Prescriptive Method
2. Total UA Alternative (REScheck) calculated using 2015 IECC
3. SPA (Simulated Performance Alternative)
4. ERI (Energy Rating Index)