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November 17, 2015 <br />ES-3588.01 <br />Polygon NW <br />PO Bax 1349 <br />Bellevue, Washington 98009 <br />Attention: Mr. Thomas Fieinz <br />' . : Earth', : <br />� Solutions <br />NW «< <br />Earth Solutions NV1/ �LC <br />• Geotec�inica' Engii�eerir�� <br />° Cor3struction Monitorii�� <br />° En�.�irnnrnentai Scie�ices <br />Subject: Final Report — Building 10, Lots 10.1 thru 10.4 <br />Construction Monitoring and Consulting Services <br />Silver Lake Center <br />17202, 11204, 11206, and 11208 — 19th Drive Southeast <br />Everett, Washington <br />City of Everett Permits C1411-079, C1411-080, C1411-081, C1411-082 <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 festing on a part-time from May 14 to June 1, 2Q15. Our representatives <br />made two site visits to observe building foundation subgrade and test building slab backfill. <br />Our representative observed building foundation subgrade to be dense and suitable for support <br />of the proposed structure. <br />Our representative conducted eight field density tests in accordance with ASTM Test <br />Designation D2922 (Nuclear Gauge Method). OneZx representative soil sample was returned <br />to our laboratory for analysis of the maximum dry density and optimum moisture content in <br />accordance with ASTM D1�57-02 (Modified Proctor). Density test results indicate adequate <br />compaction af 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 recc�mmendations. <br />1£;OS - 1�E;th f"ace i�:�.E.., S��ite 20"! • f3ellevue, l�'A 4�005 �(�42;j 449-4704 ° FAX (�F2 �1 444-4711 ���� ��,, <br />_� � . <br />� <br />