1928 113TH PL SE 2017-01-13 - Laserfiche WebLink

June 3, 2015 ES-3�88.01 Polygon NW PO Box 1349 Bellevue, Washington 98009 Attention: Mr. Eddy Stevens Subject: Final Report Buiiding 5, Lots 5.1 thru 5.7 Buitding 6, Lats 6.1 thru 6.4 Buitding 20, Lats 20.1 thru 20.8 �,:.. - �=�5�0 OD�, c�� Y+�� Earth Solutions NW ��c Construction Monitoring and Consulting Services Silver Lake Center Building 5-1904 thru 1928 —113t” Place Southeast Building 6- 1919 ihru 1929 — 113t" Place Souiheast Building 20 - 11002 thru 11016 — 20t" Drive Southeast Everett, Washington Dear Mr. Stevens: , C�c,,,�e,,;�nicai E:ni;in�-:ri^i,� ° C.�;ns,h,:c rt�;n ,��li,�iitr;rint; ° E�.�irr,r:�;,.F n;,,� �: ic.,�cF,;. In accordance with your request, Earth Solutions NW, LLC {ESNW) provided construction monitoring and consulting services at the subject site. Our services included providing onsite observations and testing on a part-time frorn January 26 to April 3, 2015. Our represeniatives �`�' made 11 site visits to observe building foundation subgrade and test building slab backfill. ;�:: Our representative observed building foundation subgrade to be dense and suitable for support of the proposed structures. Our representative conducted 50 field density tests in accordance with ASTM Test Designation D2922 (Nuclear Gauge Method). Three representative soil sarnples were returned to our laboratory for analysis of the maximum dry density arad optimum moisture content in accordance with ASTM D1557-02 (Modified Proctor). Density test results indicate adequate compaction of at least 95 percent at the tested locations of the building slab backfill. Based on our observations and testing, the earthwork construction was accomplished in accordance with the project plans and our geotechnical recommendations. I�GS - 136T,h I'I:�ct� 1� _., xnr� 2i1 � iur. t.., �"e',� �t�i ;� s�'� ,j a4 f.7t; • F%',X 11?�? .?y-=171 , Z zt_;a;f.