Title 17F Construction Standards
Chapter 17F.040 Building Code
Section 17F.040.105 Design Criteria
Table R301.2(1) is modified as follows to identify the design criteria associated with our geographical area:
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TABLE R301.2(1)
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Ground Snow Load*
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Wind Speed
(ult)
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Seismic Design Category
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SUBJECT TO DAMAGE FROM
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Winter Design Temp
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Ice Barrier Underlayment Required
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Flood Hazards
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Air Freezing Index
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Mean Annual Temp
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Weathering
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Frostline Depth
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Termites
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Decay
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39 lbs/ft2
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110 mph
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C
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Severe
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24"
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Slight to Moderate
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None to Slight
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10°F
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Yes
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2006 1992 FIRM
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1232
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47.2°F
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*Minimum roof snow load: 30 lbs/ft2
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Date Passed: Monday, May 23, 2016
Effective Date: Thursday, June 30, 2016
ORD C35389 Section 7
