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3/2024 Page 1 of 1 Inspection Services Division I Building Division 525 N 3rd Ave, Pasco, WA 99301 P: [PHONE REDACTED] www.pasco-wa.gov I [EMAIL REDACTED] LOCAL DESIGN CRITERIA Residential and Commercial Buildings under the IBC For both residential and commercial buildings constructed under the IBC, the structural design criteria shall be performed in accordance with IBC Chapter 16, ASCE 7-16, and the project geotechnical investigation. Please note that design criteria shall be site specific. Single Family, Two Family, and Townhomes under the IRC For residential buildings and structures constructed under the IRC, the climatic and geographic design criteria shall be as provided in the completed IRC Table R301.2(1) provided below. IRC TABLE R301.2(1) CLIMACTIC AND GEOGRAPHIC DESIGN CRITERIA Roof and Ground Snow Load 20psf Maximum Wind Speed Speed (mph) Vult 110 Topographic Effect No Exposure Category C Special Wind Region No Seismic Design Category C Subject to Damage Weathering Severe Frost Line Depth 24 inches Termite Damage Slight to Moderate Ice Shield Underlayment Required No Flood Hazards See Map* Air Freezing Index 808 Mean Annual Design Temperature 55.8 Degrees F ACCA MANUAL J DESIGN CRITERIA Elevation 531 Latitude 46°14’ Winter Heating 11°F Summer Cooling 96°F Altitude Correction Factor 1.0 Indoor Design Temperature 70°F Design Temperature Cooling 75°F Heating Temperature Difference 21°F Cooling Temperature Difference 96°F Wind Velocity Heating 15 mph Wind Velocity Cooling 7.5 mph Coincident Wet Bulb 67°F Daily Range High Winter Humidity N/A Summer Humidity -11 (grains of moisture)