Effective Codes - October 11, 2010
All construction within the City of Fort Collins shall comply with following adopted codes. Adopted by City Council last March, the new green amendments will become effective January 1, 2012.
- 2009 International Building Code with local amendments or upcoming green amendments
- 2009 International Residential Code with local amendments or upcoming green amendments
- 2009 International Energy Conservation Code with local amendments or upcoming green amendments
- 2009 International Mechanical Code with local amendments or upcoming green amendments
- 2009 International Fuel Gas Code with local amendments or upcoming green amendments
- 2009 International Plumbing Code upcoming green amendments
- 2011 National Electric Code
- Accessibility: State Law CRS 9-5 & ICC / ANSI A117.1-2003
- Snow Load - Live Load: 30 PSF / Ground Snow Load: 30 PSF
- Frost Depth: 30 inches
- Wind Load: 100 MPH - 3 Second Gust
- Seismic Design Category B
All projects (except single-family and tenant finishes) require a pre-submittal code review meeting with Building Services. For questions and to schedule this meeting call 970-416-2341 or 970-416-2640.
Single-family
2009 IRC Chapter 11 or 2009 IECC Chapter 4 (climate zone 5)
Multifamily Residential (apartment/condo 3 stories max)
2009 IECC Chapter 4
Commercial (multifamily residential buildings 4 stories and taller)
2009 IECC Chapter 5. Per local amendment, slab on grade and below grade walls require insulation regardless of compliance method, see IECC section 502.2.
Residential
See the energy code requirements checklist
Three Ways to Comply
1. Prescriptive Method
2. Total UA Alternative (REScheck / COMcheck); calculated using 2009 IECC
3. SPA (Simulated Performance Alternative - performance rating). Current approved programs are HERS and E-Star
Work Exempt from Permit Requirements
- 2009 International Residential Code Permit Exemptions
- 2009 International Building Code Permit Exemptions
For questions regarding Zoning, please call 970-416-2745.
For questions regarding Contractor Licensing, call 970-416-2740.