Climatic & Geographic Design Criteria
For municipalities administered by the CK-COG, new construction must adhere to the following climatic and geographic design criteria.
A 2021 Residential Energy Efficiency Worksheet must be submitted with each permit application.
Climatic and Geographic Design Criteria
| Ground Snow Load (*1) | 35* psf | |
| Wind Speed (mph) | 115 | |
| Seismic Design Category | A/B | |
| SUBJECT TO DAMAGE FROM | Weathering | Severe |
| Frost Line Depth (*2) | 40” | |
| Termite | Not Specified | |
| Decay | Slight to Moderate | |
| Winter Design Temp. | 9° Fahrenheit | |
| Ice Shield Underlayment Required | Yes | |
| Flood Hazards | Check with Municipality | |
| Air Freezing Index | 1000 | |
| Mean Annual Temp. | 55° Fahrenheit |
*(1) Ground snow load set by local jurisdiction.
* Reference Map (IRC Figure R301.2(5) for specific ground snow loads in your area.
*(2) Set by local jurisdiction.
Thermal Design Parameters
| Condition | Value |
| Interior Design Temperature (Heating)* | 72° Maximum |
| Interior Design Temperature (Cooling)* | 75º Maximum |
| Climate Zone (IEEC Table 301.1) | 5 |
| * Reference IEEC Section 302.1 | |
| Degree Days Heating (Local Reference) | 6160 |
| Degree Days Cooling (Local Reference) | 700 |
