Building Codes Design Criteria

 

 

Soil Bearing Capacity

Assumed 1500 psf max Without engineered soil bearing analysis

Seismic

Residential - C for 2021 Oregon Residential Specialty Code

Commercial - D assumed, unless geotechnical report provided

Weathering

Severe

 

 

Frost Depth

18" min.

Wind Exposure

"C“ Assumed

Snow Load

Determination of Snow Load is site specific and requires the use of the Oregon Snow Load Map.  Snow Loads are sensitive to geographic location and elevation and must be determined for each project site:

Design Wind Speed

Residential: See 2021 ORSC: Section R301.2.1

Commercial: See 2022 OSSC Section 1609 for Wind Loads and the referenced ASCE 7-2016