Laserfiche WebLink
June 3, 2015 <br />ES-3588.01 <br />�arfh" f'�°� <br />���'. $ofution�s� <br />NW«��., <br />Earth Solutions NW ��C <br />" �i.,C�:i'i'.C!i:'IIC.it! '..!?;�il1C'Cf":'1•.� <br />° (.�_:rstruct�::r iv'�n�:loii��f� <br />' �r�; ir;,r?me:;!a! ;rience; . <br />Polygon NW <br />PO Box 1349 <br />Bellevue, Washington 980�9 <br />�� eniio� �: i,�r. Edciy Stevens <br />Subject: Final Report <br />Building 7, Lots 7.1 thru 7.6, <br />Building 8, Lots 8.1 thru 8.4 and <br />Building 99, Lots 19.1 thru 19.8 <br />Construction Monitoring and Consulting Services <br />Siiver Lake Center <br />Building 7- 11220 thru 11230 — 19th Drive Southeast <br />Building 8- 11217 thru 11231 —'I9th Drive Southeast <br />Building 19 - 11018 thru 11032 — 20th Drive Southeast <br />Everett, Washington <br />Dear Mr. Stevens: <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 />OhSpf"V�tI011S and tcsii�ig on a part-�ir7�e fro��� February '13 to Npril 27, 2015. Our <br />representatives made eight site visits to observe building foundation subgrade and test building <br />slab backfill. <br />Our representative observed building foundation subgrade to be dense and suitable for support <br />of the proposed structures. <br />Our representativ� conducted 24 field density tests in accordance with ASTM Test Designation <br />D2922 (Nuclear Gauge Method). Two representative soil samples were returned to our <br />(aboratory for analysis of the maximum dry density and optimum moisture content in <br />accordance with ASTM D1557-02 (Modified Proctorj. Density test results indicate adequate <br />compaction of at least 95 percent at the tested locations of the building slab backfill. <br />Sased on our observations and testing, the earthwork construction was accomplished in <br />accordance with the project p(ans and our geotechnical recommendations. - <br />, . ,,,. <br />, . ?(:�r f! i � . , � .:r .. � f c ;� .. ,.1 .�r-:. - a �;; � ;�1 4; `, : , l�Aa: 42�? �a.-`)-,?11 � � <br />;ts• . <br />. , ,;. <br />..,�. <br />: _ •�.: : <br />