<br /> <br /> <br /> <br /> <br />April 20, 2026 <br /> <br /> <br />DevNW <br />Attention: Ms. Nora Cronin <br />212 Main Street (P): 541.345.7106 x2048 <br />Springfield, Oregon 97478 Email (owner’s contact): luke.lonstron@devnw.org <br /> <br /> <br />Subject: Geotechnical Site Investigation and Infiltration Testing Report <br />DevNW Floral Hill Drive Residential Development <br />2725 Floral Hill Drive <br />Map and Tax Lot 18-03-04-42-2300 <br />Eugene, Lane County, Oregon 97403 <br />Report No. 10-260131-001 <br /> <br /> <br />Dear Ms. Cronin: <br /> <br />Certerra is pleased to transmit our attached geotechnical investigation and infiltration testing report for the above <br />referenced project. This report includes the results of our field investigation, an evaluation of geotechnical factors <br />that may influence the proposed construction, geotechnical recommendations for site development, and the results <br />of our infiltration testing. <br /> <br />We appreciate the opportunity to perform this geotechnical study and look forward to continued participation during <br />the design and construction phases of this project. If you have any questions pertaining to this report, or if we may <br />be of further service, please contact Greg Thibeaux at 541.844.8361. <br /> <br />Sincerely, <br />Certerra <br /> <br /> <br /> <br /> <br />Greg Thibeaux, P.E. Raymond V. Aliperti <br />Senior Geotechnical Engineer Branch Manager <br /> <br />Attachment: Geotechnical Investigation Report <br /> <br />Distribution: Addressee, luke.lonstron@devnw.org, nir@alignedarchitecture.com, holly@alignedarchitecture.com, Anna.Backus@kpff.com