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Navember 23, 2015 <br />ES-3588.01 <br />Polygon Northwest <br />PO Box 1349 <br />Bellevue, Washingtan 98009 <br />Attention: Mr. Thomas Heinz <br />e �:���o���ch,��ic;}I En:;;��ecrin;, <br />° C:o���i�.r!actiori Alnriitoring <br />Subject: Final Report — Building 9, Lots 9.1 thru 9.5 <br />Construction Monitoring and Consulting Services <br />Silver Lake Center <br />11218, 11216, 11214, 11212, and 11210 — 19th Drive Southeast <br />Everett, Washington <br />City of Everett Permits C°I411-025, C1411-026, C1411-027, C141'I-028, <br />C1411-29 <br />Dear Mr. Heinz: <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 />obs�rvafions and �esfiing on ��a�t-tirne frorn Jurie 17 �o Jun� �8, 2015. C�ui� r�epresenta'rives <br />made two site visits to observe and test the building foundation subgrade. <br />Our representative observed building foundation subgrade to be dense and suitable for support <br />of the proposed structure. <br />Our representative conducted five field density tests in accordance with ASTM Test <br />Designation D2922 (Nuclear Gauge Method). One 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 #ested 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 />r�� <br />1ti05 - 13fi;h Plac e i��.E.; Suiie 2i)1 • Befievur�, 4N/� 98f)t?.; •(.��`L51 44`.3-47O4 • f,AX (4_>,) q4y..q711 <br />/ <br />