APPENDIX A: CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
GROUND SNOW LOAD: Based on elevation, minimum 40-pound load
WIND SPEED: 90 MPH, 3 second gusts at 115 mph
SEISMIC DESIGN CATEGORY:
   •   Area West of Henrieville: SITE CLASS D
   •   Area East of Henrieville: SITE CLASS C
   •   Area 30 Miles East of Boulder: SITE CLASS B
WEATHERING PROBABILITY: Severe, Exposure C
FROST LINE DEPTH: 33"
TERMITE INFESTATION: Moderate to Heavy
WINTER DESIGN TEMPERATURE: Salt Lake City 8. Recommend 3 for Garfield County.
ICE BARRIER UNDERLAYMENT REQUIRED: Yes, required per IRC R-703.1, R-703.08 Uniform Building Standards Act Rules, RI 56-56-711 (2).
FLOOD HAZARDS: Per Garfield County Flood Damage Prevention Ordinance including any amendments thereafter. Shall also comply with the most current adopted International Building & Residential Code.
AIR FREEZING INDEX: 923 to 2084 (100 year 99%)
MEAN ANNUAL TEMPERATURE: 40.1 to 53 degrees Fahrenheit.
MINIMUM FOOTINGS: 9 inches thick by 20 inches wide.
(Ord. 2021-3, passed 4-26-2021)