Indiana County, PA Climatic Design

Indiana County does hereby adopt the following climatic
and geographic design criteria, in accordance with International Residential Code, 2015; Section R301.2, and Table R301.2(1), 
said Table being attached hereto:

a. Ground Snow Load……………………...….35lbs per sq ft
b. Wind Speed…………………………………90-115 mpg, depending on exposure
c. Seismic Design Category……………..…….A
d. Weathering…………………………….……Severe
e. Frost Line Depth……………………….…....36 inches
f. Termite………………………………….…..Moderate to Heavy
g. Decay……………………………………..…Slight to Moderate
h. Winter Design Temperature……………..….0 to 10 Degrees F.
i. Ice Shield Underlayment Required…………Yes
j. Flood Hazard……………………Reference specific municipal ordinance
k. Air Freezing Index………………..…………2000
l. Mean Annual Temperature………….………47 Degrees F.
m. Roof Vents shall be a minimum of 16 inches above the roof line


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