11217 19TH DR SE 2016-11-18 - Laserfiche WebLink

June 3, 2015 ES-3588.01 ;�.., Earfht: �` �''° �Solution�� NW«�' Earth Solutions NW LLC � �_ i,r:'i:r;l,.11�:cl' '_i';.',11;C'i.'.i�;'1: • i..�:;r�ci ruct:�::i � i�`:�,r�:1:�r;�tf� � ° l�.i�N;l,..•;t`fl'r:zl�dlj[�li`I`C:'y ^ Polygon NW PO Box 1349 Bellevue, Washington 980�9 A� en�ior: i,�r, Eddy Sfevens Subject: Final Report Building 7, Lots 7,1 thru 7.6, Building 8, Lots 8.1 thru 8.4 and Building 99, Lots 19.1 thru 19.8 Construction Monitoring and Consulting Services Siiver Lake Center Building 7- 11220 thru 11230 — 19th Drive Southeast Building 8- 11217 thru 1123'1 — 19th Drive Southeast Building 19 -'i 1018 thru 11032 — 20th Drive Southeast Everett, Washington Dear Mr. Stevens: In accordance with your request, Earth Solutions NW, �LC (ESNW} provided construction monitoring and consulting services at the subject site. Our services included providing onsite observations arid tcsting on a parf-time frorl7 f=ebruary 13 to lapril 2T, 20'15. Our representatives made eight 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 24 field density tests in accordance with ASTM Test Designation D2922 (Nuclear Gauge Method). Two representative soil samples were returned to our laboratory for analysis of the maximum dry density and optimum moisture content in accordance with ASTM D1557-02 (Modified Proctor), Density test results indicate adequate campaction 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. • , . ; <,( 'h f'I.i `. :;� .. . i't, ,t . 1 �? _ ;5. :y-'{,''? : 1�'1X i�2�j 4•''.) ,%1'I