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� <br />� �z ..� r :;. � <br />'' �U�p�11115; <br />TNW<i� <br />�4.;._:_. <br />_. _ _,... <br />Earth Solutivns NW ��C <br />December 15, 2015 <br />ES-3588.01 <br />Polygon Northwest <br />PO Box 1349 <br />Bellevue, Washington 98009 <br />Attention: Mr. Thomas Heinz <br />Subject: Final Report — Bui{ding 13, Lots 13.1 thru 13.6 <br />Constructivn Monitoring and Consulting Services <br />Silver Lake Center <br />1920, 1918, 1916, 1914, 1912, and 1910 —112t" Place <br />Everett, Washington <br />• Geo.cchr�ic::: Ens;ine�:�rir�f; <br />o (';7�lsL'�Iic110i' :VS<tni{[ii"iR�; <br />° Em,-ironn;en'::al �c�;_ i �ces <br />City of Everett Permits C1411-065, C1411-064, C1411-063, C1411-062, <br />C1411-69, C1411-60 <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 />obsenrations and testing on a part-time from Anril �4 to June 12, �015. n�_�r rnnres�ntati�ies <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 praposed 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 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 />Ifii)5 -"1"3Citl�t PIaCe N.E., Suite ZU'( � E3�.iievl,e, �V;1 93Cif)5 '(425) 449 :.}?C)4 � F,�iX (42�) �4'3-47i1 <br />