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Design Aids

The following documents require Microsoft Word or are compressed in .zip format.

If you encounter any problems with the files provided on this page, please contact Kristi Yasumiishi, (503) 414-3253.

Code Issue Date Title Format
393 12/01 Filter Strip DOC
410 3/01 Grade Stabilization Drop Structure ZIP
430 6/02 Long Span Pipe ZIP
600 6/02 Terrace Design-Level and Gradient Terrace ZIP

Last Modified:  11/09/2009

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