Codes

The current codes adopted by the Town are the 2006 International Codes; however, the Town's Building Department will be adopting the 2018 International Building, Residential, Mechanical, Fuel and Gas, Plumbing, Fire, and the 2015 IECC energy codes by June 1, 2019. There will be public meetings to review and discuss the new code adoptions.

The Building Department is enforcing the 2017 National Electrical Code in the Town of Johnstown.

The Electrical Code reference states that the Town is to follow the State’s adopted code.
Sec. 18-82. Application of regulations. Where, in any specific case, different sections of this Code, the zoning code, other ordinances of the Town or the electric code adopted by the Colorado State Electric Board specify different materials, methods of construction or other requirements, the most restrictive shall govern. (Ord. 2008-813 §1)

 
To review the complete Johnstown adoption and amendments to the codes, click here. To review the individual code amendments, click on the code abbreviation below.

Click here for some of the significant changes to the 2006 IRC


Colorado House Bill 09-1091 requires carbon monoxide alarms to be install in residential properties.

Click here for more information.

Adopted Codes effective October 18, 2008


 

  • 2006 International Residential Code - IRC
  • 2006 International Building Code - IBC
  • 2006 International Mechanical Code - IMC
  • 2006 International Fuel Gas Code - IFGC
  • 2006 International Plumbing Code - IPC
  • 2006 International Energy Conservation Code - IECC
  • 2006 International Fire Code - IFC
  • 2008 National Electric Code - NEC
  • 1997 Uniform Code for the Abatement of Dangerous Buildings - UCADB

Design Criteria



 
effective 10-18-08
Basic Wind Speed
90 mph 3 second gust
Exposure  
C
Ground Snow Load  
30 psf
Seismic Design Category  
B
Winter Design Temperature  

Ice Shield Underlayment Required  
No
Air Freezing Index  
1000
Mean Annual Temperature  
45°
Subject to Damage from Weathering  
Severe
Subject to Damage from Frost Depth  
30"
Subject to Damage from Termite Damage  
Slight to moderate
Subject to Damage from Decay  
 
Foundation Design
 
All foundation systems shall be engineered foundations designed by a Colorado licensed engineer or Architect. The engineered foundation shall be based upon a soils analysis for the specific location where the foundation is to be installed.
Exception: IRC detached accessory buildings may have a foundation system approved by the building official.