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January 27, 2016 <br />ES-3588.01 <br />�� �k �th <br />� <br />� �o��; <br />� lLe <br />E��r�th Solu�ions NW �Lc� <br />� <-�U�-��ecfinic,�l En�;Ini:rerini; <br />° C���nSi.r�u:tiun Moiiil�n�in}; <br />° E��n-irnnnic�;tal Sc icn�'��s <br />Polygon Northwest <br />PO Box 1349 <br />Bellevue, Washington 98009 <br />Attention: Mr. Thomas Heinz <br />Subject: Final Report — Bui(ding 15, Lots 15.1 thru 15.2 <br />Construction Monitoring and Consulting Services <br />Silver Lake Center <br />2006 and 2004 — 112t" Place Southeast <br />Everett, Washington <br />City of Everett Permits C1 505-002 and C1 411-036 <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 />observations and testing on a part-time from June 23, to January 8, 2016. Our representatives <br />made five site visits to observe or test building foundation subgrade, building slab backfill, and <br />pervious pavement preparation. <br />Our representative observed building foundation subgrade to be dense and suitable for support <br />of the proposecf structure. <br />Our representative conducted two field density tests in accordance with ASTM Test <br />Designation D2922 (Nuclear Gauge Method). One representative soil samples were returned <br />to our laboratory for analysis of the maximum dry density and optimum maisture 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 />Our representative observed the contractor prepare the driveway for pervious pavement <br />according to the specification in the designed plans. In ar,cordance with the designed plans, <br />our representative conducted the bucket test on the pe�,•ious pavement and observed it to <br />drain as intended. <br />Based on our observations and testing, the earthwork construction was accomplished in <br />accordance with the project plans and our geotechnical recommendations. <br />I�if)5 P3(;tit f'I,i� _' 1�.;-., �. ��� 'i,! [;F.��I� �u S''t'.� �f<,(,;i`�� +;>, 1<, ,l;�"na. • f;-�J: i �� . < <'t .}7�! <br />, r� � <br />