New Email Address for Geotechnical Special Inspection Final Letters

DPD has a new email address for submitting geotechnical special inspection final letters. You should send those letters to However, you should continue to send geotechnical daily field reports to Both of these email addresses are solely for the purpose of receiving field reports and final letters. If you need help with the final letter process, contact Raushanah El-Amin at (206) 615-1377. For geotechnical project-related issues, contact the DPD reviewer or the on-call geotechnical engineer at (206) 684-8950.