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Current Code & Design Criteria


  • 2013 California Building Code – Volumes 1 & 2 with City of Roseville Amendments (CBC). Based on the 2012 IBC
  • 2013 California Residential Code with Appendix H, Patio Covers (CRC). Based on the 2012 IRC
  • 2013 California Historical Building Code (CHBC).
  • 2013 California Existing Building Code (CEBC). Based on the 2012 IEBC
  • 2013 California Green Building Standards Code (CGBSC)
  • 2013 California Plumbing Code (CPC) based on the 2012 UPC
  • 2013 California Mechanical Code (CMC). Based on the 2012 UMC
  • 2013 California Electrical Code with City of Roseville Amendments (CEC). Based on the 2011 NEC
  • 2013 California Energy Code (CEC)
  • 2013 California Fire Code based on the 2012 IFC, with City of Roseville Amendments (RFC)
  • 2013 Uniform Swimming Pool, Spa and Hot Tub Code (USPSHTC). As published by IAPMO

Snow Loads: Ground Snow Load - Zero

Wind Loads: Ultimate Wind Speed: 1 & 2 Family Dwellings/ 85 mph; Risk Category I/ 100 mph; Risk Category II/ 110 mph; Risk Category III & IV/ 115 mph
Exposure Category – B (most areas)

Rain Loads: 3” per hour

Seismic Loads: Unless otherwise justified by analysis, all buildings and non-building structures within the City limits shall be assigned to Seismic Design Category (SDC) D, except as follows:

  • Residential buildings permitted and constructed under the CRC are permitted to be assigned to SDC C. 
  • Low-rise, wood-framed buildings designed in accordance with the prescriptive (non-engineered) Conventional Light-Framed Construction provisions of CBC 2308 are permitted to be assigned to SDC C.

In accordance with CBC 1613.3.2, soil Site Class D shall be assumed for all sites unless otherwise justified by a registered design professional and/or geotechnical report.

Soil Bearing Pressure:

  • Allowable Foundation - 1500 psf without a Soils Report
  • Allowable Lateral – 100 psf/ft without a Soils Report

Climate Zone: 11 Most Areas (Zone 12, when justified by California Energy Commission mapping)

Sanitary Facilities: 2013 CPC Chapter 4, Table 422.1, Table A, Table 4-2, Table 4-3 & Table 4.4.

Development Services -
Building Inspection
311 Vernon Street
(916) 774-5332
(916) 774-5394 Fax
(916) 774-5220 TDD