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4 . I <br /> DG117311-135th Ave.N.E.Suite A-500 <br /> Woodinville,WA 98072 <br /> s NELSON GEOTECHNICAL <br /> (425)486-1669 <br /> 4 ASSOCIATES.INC. <br /> www.nelsongeotech.com <br /> October 21,2021 <br /> 11 " " 0 <br /> DEC 162021 <br /> CITY <br /> Sun Yee Tsang <br /> Via Email: tsan sunvee OF EVERETT <br /> RETT <br /> Permit Services <br /> Geotechnical Engineering Evaluation <br /> Tsang Slope Restoration <br /> 1311 West Mukilteo Boulevard <br /> Everett,Washington <br /> NGA File No. 1295621 <br /> Dear Sun: <br /> This report documents our geotechnical site evaluation and long-term slope restoration <br /> recommendations for the property located at 1311 West Mukilteo Boulevard in Everett,Washington, as <br /> shown on the Vicinity Map in Figure 1. The parcel number for the subject property is 005057-000-020- <br /> 02. Our services have been completed in accordance with the proposal signed by you on August 30,2021. <br /> INTRODUCTION <br /> We understand the concrete driveway and parking area adjacent to West Mukilteo Boulevard was <br /> recently expanded by approximately 1,100 square feet without a permit. The work consisted of removing <br /> the top course of an existing rockery and constructing a new ecology block retaining wall approximately <br /> 6.0 to 10.0 feet in height, and approximately 56.5 feet long. Conditions are shown on the Site Plan in <br /> Figure 2. We understand that the City of Everett has requested, and you have agreed, to demolish the <br /> wall and restore the property to its original condition. The purpose of this study is to assess any <br /> geotechnical concerns on the site and provide recommendations for wall demolition and stabilization of <br /> the site. <br /> For our use in preparing this report, we were given a copy of the City's comment letter issued August 3, <br /> 2021, as well as a site plan untitled and dated May 21, 2021, and structural calculations for the wall <br /> prepared by CS2 Engineers and Dated June 8,2021. <br />