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NELSON GEOTECHNICAL <br />ASSOCIATES. INC. <br />October 12, 2021 <br />Andrew Sharp <br />Via Email: sharp shark2010@frontier.com <br />17311-135" Ave. N.E. Suite A-500 <br />Woodinville, WA 98072 <br />(425) 486-1669 <br />www.nelsongeotech.com <br />Geotechnical Engineering Evaluation and Engineering Geologic Assessment - REVISED <br />Sharp Residential Remodel <br />5404 South 3rd Avenue <br />Everett, Washington <br />NGA File No. 1300621 <br />Dear Andrew: <br />This letter documents our geotechnical engineering evaluation and qualitative engineering geologic <br />assessment of the proposed residential remodel project located at 5404 South 3rd Avenue in the Lowell <br />neighborhood of Everett, Washington, as shown on the Vicinity Map in Figure 1. <br />INTRODUCTION <br />Project plans consist of an interior remodel of the existing single-family residence at the site and installing <br />a surface water drain on a portion of the western perimeter of the main residence structure, directed to <br />a drain field at the north edge of the property. A new 4-inch PVC sewer line will also connect to the <br />existing side sewer line. The City of Everett has mapped the property within landslide and erosion hazard <br />overlays and has requested a geotechnical review of possible geologic hazards affecting the site and <br />proposed development. <br />SCOPE <br />Based on our understanding of the planned development and site conditions, the services to be provided <br />by NGA included: <br />1. A review of available soil and geologic maps of the area as well as other relevant <br />geotechnical information, including publicly available LiDAR imagery. <br />2. Visiting the site to reconnoiter surficial information as well as assess existing stability <br />conditions. <br />3. Exploring the subsurface soil and conditions within the site using hand -tool explorations, <br />as necessary. <br />