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Design Criteria

  • Seismic- Design Category D.

  • 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.

  • Wind- Exposure: C, unless site complies with definition for Exposure B.

  • Speed: Ultimate Design Wind Speed, 3 second gust:

 Risk Category

 Speed (mph)







  • Climate Zone - 12.

  • 40 psi Max guaranteed water pressure.

  • 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

2016 California Building Code Design Table

*For Floodplain Development Information visit:

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