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� <br />November 6, 2015 <br />ES-3588.01 <br />�' Earfh _ � <br />Solutions� <br />NW<i� .. <br />Earth Solutions NW ��.c <br />° Gcr�technical [n�;ineerin� <br />° �on�triic,tion Mr�>nitoririg <br />� Fnvironmr,ntal 5cier.ce, <br />Polygon NW <br />PO Box 1349 <br />Bellevue, Washington 98009 <br />Attention: Mr. Thomas Heinz <br />Subject: Final Report — Building 18, Lots 18.1 thru 18.7 <br />Construction Monitoring and Consulting Services <br />Silver Lak� Center <br />11102, 'I 1106, 11110, 11114, 11118, 11122, and '! 1126 — 20t" Drive Southeast <br />Everett, Washington <br />City of Everett Permits C1411-087, C1419-0$8, C1411-089, C1411-090, <br />C1411-091, G1411-092, C1411-093 <br />Dear Mr. Heinz: <br />In accordance with your request, Earth Salutions NW, LLC (ESNW) provided construction <br />monitoring and consulting services at the subject site. Our services included providing onsite <br />observations and tesfing on a part-time from March 30 ta May 19, 2015. Our representatives <br />made three site visits to observe building foundation subgrade and test building slab backfi[I. <br />Our representative observed building foundation subgrade to be dense and suitable for support <br />of fihe proposed strueiur�. <br />Our representative conducted 14 field density tests in accordance with ASTM Tesf Designation <br />D2922 (Nuclear Gauge Method). Two representative soii sample was returned to our <br />laboratory for anaiysis 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 lacations 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 />ISQS � 1;6th I'la.x� ti.E_, Suit�: 2�)1 �° G3c�lb:rvuc, �l�A 9£�n0�i �(�25i �49-�7�' ° F,AX (425; 4<�9-=t?1 I � <br />, � <br />