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- 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
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 |
Exposure: Site Specific |
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 |
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