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Public Improvement Design Standards

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A design manual has been developed to provide a uniform set of standards and procedures to assist the City and private consulting engineers in coordinating, processing and constructing public improvement projects. The manual may be downloaded from this site.

Download Public Improvement Design Standards
These three (3) files are linked and all must be downloaded in order to work in the designed PDF Format. Please read the Navigational Tips below to help you navigate through the PDF Document.

The Public Improvement Design Standards are in Adobe Acrobat format (portable document format or PDF). You will need the FREE Adobe Acrobat Reader to view these documents.

Navigational Tips for PDF

Each category and appendices is linked to take you to that specific section simply by holding the cursor on the title until a "hand" appears. Click when you see this hand.
If you would like to return to the previous page hold the cursor on the right side of the page until the hand appears and click.
If you wish to browse the details you may click on "Appendices N" and select from the index. To download details see the Standard Details page.

Design Standards
The inclusion of the Appendices D through G are often requested during the the development plan review process to be included on the plans. Because of this, we have provided these in a "doc" format for placement on your plans. You will need to convert them to the drawing format you use.
Design Standard Appendices

Contact
Diane Jelderks
E-mail: dianej@tigard-or.gov
Phone: 503-639-4171 x2465
Fax: 503-624-0752