3000 41ST ST Geotech Report 2025-12-31

GEOTECHNICAL EVALUATION SIMPSON NEIGHBORHOOD THE LOWELL RIVERFRONT TRAIL & 41ST STREET EVERETT, WASHINGTON ES-2598.03 INTRODUCTION. General This geotechnical evaluation was prepared for the residential development to be completed on the existing open tract located southeast of the intersection between The Lowell Riverfront Trail and 41st Street and along the Snohomish River in Everett, Washington. The purpose of this evaluation was to provide geotechnical recommendations for the proposed development. Our scope of services for completing this geotechnical evaluation included the following: • Reviewing subsurface explorations included in a previous report prepared for the site by GeoEngineers; • Reviewing boring logs and laboratory testing of soil samples collected by GeoEngineers; • Performing one site visit to access current site conditions; • Conducting engineering analyses, and; • Preparation of this report. The following documents and maps were reviewed as part of our report preparation: • Preliminary Report for Geotechnical Engineering Services for the Everett Riverfront Redevelopment Project — Simpson Pad in Everett, Washington prepared by GeoEngineers, File No. 6191-002-04, dated June 7, 2007; • Geologic Map of the Everett 7.5-Minute Quadrangle. in Snohomish County, Washington, 1985, and; • Liquefaction Susceptibility Map of Snohomish County, Washington, 2004. Project Description The subject site is located southeast of the intersection between The Lowell Riverfront Trail and 41st Street and west of the Snohomish River in Everett, Washington. The site comprises approximately 45 acres with conceptual project plans indicating construction of single and multi- story residential homes, upgraded utilities, paved access roadways, and stormwater management tracts. We understand that site grades had been previously raised in order to elevate the site above,adjacent wetland areas. We also understand fill may be imported to the site to further raise grades. The site is currently cleared of vegetation.