Design Criteria
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Seismic- Design Category D.
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Allowable Soil Bearing Pressure 1500 psf without a soils report. Many areas of Sacramento contain expansive soil. It is the designer’s responsibility to identify if expansive soil is present. If present, a soils report is necessary per CBC Section 1803 and CRC Section R401.4.
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Wind- Exposure: C, unless site complies with definition for Exposure B.
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Speed: Ultimate Design Wind Speed, 3 second gust:
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Risk Category
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Speed (mph)
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I
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90
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II
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95
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III
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105
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Climate Zone - 12.
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40 psi Max guaranteed water pressure.
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Rainfall:
- 1.5" per hour max for structural design of roof framing elements.
- 3" per hour for the purpose of sizing roof drains, conductors, leaders, gutters, and storm sewers. See Sacramento City Code section 15.24.030
*For Floodplain Development Information visit:
http://www.cityofsacramento.org/Utilities/Education/Flood-Ready/Flood-Zone-Construction-Requirements
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