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Most work done on a commercial property requires a permit. For the list of exemptions, refer to the Oregon Structural Specialty Code, OSSC 105.2 Work Exempt from Permits.
When it is required that documents are prepared by a registered design professional, you will be required to indicate who will be the responsible professional in charge when submitting the application.
While we are not able to provide you with an exact estimate of permit fees, our office does publish a Commercial Fee Estimating Guide that provides a description of fees and tips for calculating the costs for your project. The most complex fee calculation for your project will be System Development Charges (SDCs). Although we are unable to provide an estimate of SDCs, our Public Works staff will be happy to explain the methodology for calculating this fee. Because SDCs often will be a significant amount, be sure to take this into consideration when planning your project.
The ground snow load in Eugene is approximately 11 psf at a elevation of 420 feet (OSSC 1608.2.2; http://snowload.seao.org). The ground snow load must be modified in accordance with OSSC 1608.2.2 Table 7.2 for higher elevations. However, the minimum snow load and minimum sloped roof snow load of 20 psf typically govern design (see OSSC 1608.2.3 and 1608.2.4). An additional rain-on-snow surcharge load of 5 psf applies for flat roofs and roofs that constrain runoff. (OSSC 1608.2.5)
Basic design wind speeds for Eugene are as follows (OSSC Table 1609.3):
Most structures in Eugene are assigned Seismic Design Category D in accordance with OSSC 1613.2.5. Seismic design parameters should be obtained from https://hazards.atcouncil.org/.
Our area is typically in seismic design category D for commercial buildings and D0 for residential buildings. The US Geological Survey has additional information that will assist in design.
Fire sprinklers are not typically required in single family dwellings or duplexes. However, there are projects where either fire department access or firefighting water (hydrants) are not adequate and sprinklers may be the most effective alternative. New multi-family apartments constructed under the Oregon Structural Specialty Code (OSSC) require fire sprinklers. Sprinklers may be required in new commercial buildings, additions to commercial buildings or a change of occupancy. Requirements for sprinklers are noted in the OSSC and the Fire Code (OFC). Each project requires individual review.
Fire sprinkler and alarm plans are usually deferred submittals. Other items proposed for deferral need to be indicated as part of the permit application and will be considered on an individual basis.