Design and Construction Standards and Specifications

Appendix A:  Standard Details

Use the links below if you wish to open the PDF for a specific series:

• 300 Series
• 400 Series
• 500 Series
• 600 Series
• 700 Series
• 900 Series

Appendix B: Bothell Maintenance Standards
You may use the previous version of the Surface Water Design Manual if your project meets both of these criteria:

• Your complete project application was accepted prior to December 31, 2021; and
• Your project will be under construction prior to January 1, 2027.

Appendix C:  General Notes

Appendix D: Sample Forms

Appendix E: Contaminated Soil and Groundwater Protocol