Standard Specifications

Standard Specifications for Construction

The 2018 Oregon Specifications and City Drawings and Amendment #2 are required for all public improvement projects advertised by the City on/after February 18, 2020, and for privately engineered public improvement projects approved by the City after February 18, 2020.


The Supplemental Specifications is a living document that modifies the standard specifications and drawings and applies to all public improvement projects.

The City amended Oregon Specifications and City Standard Drawings may be obtained by downloading the files in Adobe Acrobat .pdf format from this website. If you would like these .pdf files on CD instead of downloading them from the internet, you may request the CD by calling our office at (541) 682-5291. Cost is $5.00 plus $1.50 for shipping.

  1. Specifications by Chapter
  2. Standard Drawings
  3. 2018 Amendment 2
  4. Related Documents