City Of Riverside - Local Design Criteria
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Wind Speed |
3-second peak gust wind speed per Risk Category: |
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Wind Exposure |
Site specific for each project (CBC 1609) - Most areas of the City of Riverside can be classified as wind exposure category C |
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Seismic Design – Mapped Acceleration Parameters |
Site specific for each project based on latitude and longitude or project location (CBC 1613.2.1) https://earthquake.usgs.gov/hazards/ |
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Rainfall |
2 Inches per hour for roof drainage design |
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Conventional Construction Criteria (CBC Chapter 23, Section 2308) |
Seismic Design Category D |
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Flood Zones |
Specific areas within the City of Riverside having a flood zone designation as outlined by FEMA flood insurance maps (FIRMs) https://msc.fema.gov/portal/home |
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California Residential Code Chapter 3, Section R301.2.2.1 |
Seismic Design Category D2 |
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Climate Zone |
Zone 10 |
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CRC Table 301.2(1) |
Climatic and Geographic Design Criteria: |
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Termite |
Very Heavy |
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Ground Snow Load |
Zero |
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Ice Barrier Underlayment |
N/A |
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Frost Line Depth |
N/A |
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Site Class for Seismic Design |
D - unless recommended otherwise by Geotechnical Engineer |
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Weathering |
Negligible |
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Air Freezing Index |
0 |
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Mean Annual Temp |
64.0 F |
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Winter Design Temp |
51.4 F |