Geographic Design Criteria
Ground Snow Load:
IRC 30 psf
IBC 20% Maximum reduction
or 24 psf min. (RC II)
Wind Speed:
IRC 90 mph, IBC 115mph
Seismic Design Category:
0
Weathering Severe Frost Line Depth:
42" Below Grade
Termite:
Moderate to Heavy
Decay:
Slight to Moderate
Winter Design Temp:
-5 degrees F
Ice Shield Underlayment Reqd.:
YES*
Flood Hazards:
Adopted May 29, 1979
Current FIRM is dated July 19, 2000
Air Freezing Index:
1,833
Mean Annual Temp:
48.6 degrees F
*See Amendment to IBC & IRC regarding ice shield alternative
