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Humboldt County Basic Design Requirements:

Seismic Design Category

   IRC - D1

   IBC - D
Live Load – 20 lbs
Ground Snow Load Up to 5,000 ft elevation - 5 lb Over 5,000 ft elevation - 10 lbs
Wind

   IRC -90 mph fastest mile; 105 mph 3-second gust, Exposure C

   IBC - 90 mph Vasd (nominal design wind speed) 115 mph Vult (ultimate design)Exposure C   
Frost Depth – 24”

Humboldt County has adopted by Ordinance 11-04-13a the following codes:

Humboldt County has adopted by Ordinance 01-05-09 the following ordinance

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