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December 15, 2015 <br />ES-3588. 01 <br />Polygon Northwest <br />PO Box 1349 <br />Bellevue, Washington 98009 <br />Attention: Mr. Thomas Heinz <br />;��h���tli� <br />Soiutions:: <br />� <br />NW�« ; <br />_ ;_.��, <br />Earth Solutions NW ��c <br />• Ceo:echr,i::i: 1_i1�it��ering <br />• Cni�:;tr�fctior Nionitc;�rins; <br />° E�l`,-11'OC!�IiElll.di� JC':`I1CC5 <br />Subject: Final Report — Building 13, Lots 13.1 thru 13.6 <br />Construction Monitoring and Consulting Services <br />Silver Lake Center <br />1920, 1918, 1916, 1914, 1912, and 1910 — 1'12th Place <br />Everett, Washington <br />City of Everett Permits C1411-065, C1411-064, C1411-063, C1411-062, <br />C1411-61, C1411-60 <br />Dear Mr. Heinz: <br />In accordance with your request, Earth Solutions NW, LLC (ESNW) provided construction <br />monitoring and consuiting services at the subject site. Our services included providing onsite <br />observations and testing on a�art-iime from Az�ril 24� to Ji�n� '12., �015. �i_ar r�preserttatives <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 far support <br />of the proposed structure. <br />Our representative conducted six field density tests in accordance with ASTM Test Designation <br />D2922 (Nuclear Gauge Method). One representative soil sample was returned to our <br />laboratory for analysis of the maximum dry density and optimum moisture content in <br />accordance with ASTM D1557-02 (Modified Proctor). Density tesi resufts indicate adequate <br />compaction of at ieast 95 percent at the tested lacations of the building siab 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 />�1805 -"13tith Placc N.E., S�iite ZU1 � Et.11c:�.���,c, 1�VA 930�5 •(425) 44�1-47(.?=1 m fAX (42 ,) 44��3.d7�i1 <br />��' . <br />