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• <br />June 3, 2015 <br />ES-35$8.01 <br />t y� <br />�.� x <br />#�Qns; <br />�LLC <br />s <br />��"s,s .�-d. <br />Earth Solutions NW LLC <br />• Geotechnical Engineering <br />• Conslruction Monitoring <br />• Environrnental Sciences <br />Polygon NW <br />PO Box 1349 <br />Bellevue, Washington 98009 <br />Attention: Mr. Eddy Stevens <br />Subject: Final Report —�uilding 3, Lots 3.1 thru 3.5 <br />Construction Manitoring and Consuiting Services <br />Silver Lake Center <br />20fl6 thru 2016 — 113t" Place Southeast <br />Everett, Washington <br />Dear Mr. 5tevens: <br />In accordance with your request, Earth Solutions NW, LLC (ESNW) provided construction <br />monitoring and consulting services at the subject site. Our services included providing onsite <br />observations and testing on a part-time from January 14 to February 17, 2015. Our <br />representatives made three site visits to observe building foundation subgrade and test building <br />slab backfill. <br />Our representative observed building foundation subgrade to be dense and suitable for supporf <br />of the proposed structure. <br />Our representative conducted four field density tests in accordance with ASTM Test <br />Designation D2922 (Nuclear Gauge Method). �ne representative soil sample was returned to <br />our laboratory for analysis of the maximum dry density and optimum moisture content in <br />accordance with ASTM D1557-02 (Modified Proctor). Density test results indicate adequate <br />compaction of at least 95 percent at the tested locations of the building slab backfill. <br />Based on our observations and testing, the earthwork construction was accomplished in <br />accordance with the project plans and our geotechnical recommendations. <br />1;05 - 7;�th Pl�.tce N.E; 5uitc 1U"l ° 13ellr.vue, V1'.A �io(?i)5 g i<'*"_>5) 449-47U4 ° FAX {425) d49-4711 <br />