Standards, Codes, & Worksheets

Design Standards
 

Current design standards are as follows:

  • Basic Wind Speed: 97 mph Basic Wind Speed (for Risk Category II), Exposure B
  • Seismic Design Category: D1
  • Snow Load: 25 psf roof, 36 psf ground
  • Frost Depth 12 inches
  • Soil Classification: Geotechnical Report is required to determine soil conditions

Adopted Codes

Current adopted codes are as follows:

  • Residential Code: 2023 Oregon Residential Specialty Code (ORSC)
  • Building Code: 2022 Oregon Structural Specialty Code (OSSC)
  • Energy Code: 2023 Oregon Energy Efficiency Specialty Code (OEESC)
  • Mechanical Code: 2022 Oregon Mechanical Specialty Code (OMSC)
  • Plumbing Code: 2021 State of Oregon Plumbing Specialty Code (OPSC)
  • Man. Dwelling Code: 2010 Oregon Manufactured Dwelling Installation Specialty Code (OMDISC)
  • Electric Code: Provided by Polk County Building Department 503.623.9237

Special Inspections

Note:For signs, fencing and zoning information, please refer to the Planning Division at 503.831.3571 or planning@dallasor.gov.

Building Department Worksheets (currently being updated...)

Plan Submittal

Contact Us

For additional information, please contact the building department staff at building@dallasor.gov.