Colorado Building Codes & Design Criteria

Design Criteria for Edgewater, Elizabeth, Foxfield, Hayden, Idaho Springs, Morrison and Nederland
Design Criteria for Ault, Bennett, Centennial, Firestone, Gilcrest, Hudson, Kersey, Lyons, Mead, Nunn, Pierce, Platteville, Severance, Timnath, Wellington and Windsor
Adopted Codes
Local Amendments

The following design criteria apply to Edgewater, Elizabeth, Foxfield, Hayden, Idaho Springs, Morrison and Nederland.

Design Criteria	Edge- water	Elizabeth	Fox- field	Hayden	Idaho Springs	Morrison	Nederland
Roof Snow Load	30	14	30	51 PSF	38	30	38
Ground Snow Load	30	20	30	*See Below	55	37	55
Wind Speed (3 sec. gust)	100	90	90	90 MPH	90	130	130
Wind Exposure	B	B	B	B	B	B	B
Seismic Design Category	B	B	B	B	C	B	B
Weathering	Severe	Severe	Severe	Severe	Severe	Severe	Severe
Frost Line Depth	36"	30"	36"	48"	36"	36"	48"
Termite	Slight to Moderate	Slight	Slight to Moderate	None to Slight	Slight	Slight	Slight
Decay	None to Slight	None to Slight	None to Slight	None to Slight	None to Slight	None to Slight	None to Slight
Mean Annual Temperature	45°F	45°F	50.3°F	40°F	40°F	45°F	45°F
Winter Design Temperature	1°F	1°F	1°F	-15°F	1°F	1°F	1°F
Ice Shield Underlayment Requirements	No	No	No	Required	Required	Required	Required
Flood Hazard	Town Ordinances	Town Ordinances	1989 FIRM 1995	FIRM 2/4/05	Town Ordinances	Town Ordinances	Town Ordinances
Air Freezing Index	>1000-2000	1000	712	2239	>2000-3000	1000	1000

*Note: Hayden uses the SEAC Snow Load Design Data publication to obtain their roof load. Hayden is in Zone 3 of the design data with an elevation of 6400 feet.

The following design criteria apply to Ault, Bennett, Centennial, Firestone, Gilcrest, Hudson, Kersey, Lyons, Mead, Nunn, Pierce, Platteville, Severance, Timnath, Wellington, and Windsor.

Ground Snow Load	Wind Speed (3 Second Gust)	Seismic Design Category	Subject to Damage From
20 psf	120 Lyons 90 All Other	B	Weathering	Frost Line Depth	Termite	Decay	Mean Annual Temp
20 psf	Exposure: Site Specific	B	Severe	30 Inches	Slight to Moderate	None to Slight	45° Fahrenheight

Winter Design Temperature	Ice Shield Underlayment Requirements	Flood Hazard	Air Freezing Index
1	No	Per Town	1,000

International Codes/2008 National Electric Code
Ault, Bennett, Castle Pines, Centennial, Edgewater, Elizabeth, Firestone, Foxfield, Gilcrest, Grover, Granby, Hudson, Idaho Springs, Keenesburg, Kersey, Lyons, Mead, Morrison, Nederland, Northglenn, Nunn, Pierce, Platteville, Severance, Timnath, Wellington and Windsor.

International Codes/2008 National Electric Code
Hayden and Red Cliff

For a list of local amendments in your area, please contact the SAFEbuilt office that provides building department services in your town.

Ault
Bennett
Centennial
Elizabeth
Firestone
Gilcrest
Granby
Hayden
Hudson
Idaho Springs
Kersey
Lyons
Mead
Morrison
Nederland
Nunn
Pierce
Platteville
Red Cliff
Severance
Timnath
Wellington
Windsor